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Patent product
China Patent No. : CN 2008 1 0144258
USA Patent No. : US 8,476,544 B2
Japan Patent No. : 2011-524168
Taiwan Patent No. : I 393347
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Features
● Input power: 2W or 5W
● Available in continuous and step adjusting
● 5W can satisfy the high power need of telecom operators
● Wide frequency range: DC ~ 3GHz
● Low VSWR, Low ion loss
● Size and format is much similar and customers who are used to traditional rotary variable attenuator (Single Dial & Dual Concentric Series) can directly use Yantel parts without changes of their equipment
● Sealed structure moisture-proof & damp-proof, can be work outdoors in harsh condition
● Easy to operate, adjustment results visually readable
● Step series has locking devices within each attenuation, shockproof capability
● Can reach over 10000 times adjustment
● Soon delivery,mass production can be arranged immediately
● Competive prices, 40%-50% lower than equivalents, good for tight budget projects
● Widely applied in the DAS Tray,DAS Interface Panels,DAS System,POI System,Small Repeater,Active/Passive Repeater etc
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Model Description
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VAB
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**
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*
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*
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*
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*
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Attenuation
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Step value
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Connector Type
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Connector Position
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Power
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Impedance
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e.g.: VAB3101S
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Attenuation Range: 31 represents 0~31dB
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Step value: 01 represents step value 1dB
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Connector Type: SMA, N or BNC etc
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Connector Position: "F" represents connectors on upside, "L" represents connectors on left side, "R" represents connectors on right side, "D" represents connectors on underside, "A" or "S" or "B"represents back connectors, "no code" represents left and right connectors
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Power: "2" represents 2W, "5" represents 5W
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Impedance: "B" represents 75Ω impedance, "no code" represents 50Ω impedance
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 SMA Type Series
Step Type Spec.
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● Frequency range: DC ~ 2.7GHz ● Attenuation Range: 0-31(dB)● Power rating: 2W or 5W
● Impedance: 50Ω ● Operating temperature: -40℃ ~ +85℃
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Model
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Attenuation Range
(dB)
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Power
(W)
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Step Value
(dB)
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Attenuation Accuracy
（dB）
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Typ. VSWR:1
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0dB
Insertion Loss
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Dimensions
SMA tupe
WxHxL
(mm)
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DC ~ 2.5GHz
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DC ~ 2.7GHz
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DC ~ 1GHz
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1 ~ 2GHz
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2 ~ 2.7GHz
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DC ~ 2GHz
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2 ~ 2.7GHz
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0 ~ 11
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2 or 5
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1
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±0.5
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-0.5~+0.7
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1.1
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1.1
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1.15
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0.2
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0.4
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32*37.35*39
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0 ~ 31
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2 or 5
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1
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±0.7
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-1.0~+1.2
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1.1
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1.15
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1.2
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0.3
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0.6
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32*84*39
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Note: for more information about part dimensions, please download datasheets from the t accordingly.
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Outline Dimensions (unit:mm & inch)
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VAB1101SF(0-11dB, 1dB step)
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VAB3101SF(0-31dB, 1dB step)
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SMA Type Series
(back connectors)
Step Type Spec.
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● Frequency range: DC ~ 2.7GHz ● Attenuation Range: 0-11(dB) or 0-31(dB) or 0-51(dB) ● Power rating: 2W or 5W
● Impedance: 50Ω ● Operating temperature: -40℃ ~ +85℃
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Model
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Attenuation Range
(dB)
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Power
(W)
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Step Value
(dB)
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Attenuation Accuracy
（dB） DC~2.7GHz
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Typ. VSWR:1
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0dB
Insertion Loss
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Dimensions
SMA type
WxHxL
(mm)
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DC ~ 1GHz
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1 ~ 2GHz
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2 ~ 2.7GHz
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DC ~ 2GHz
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2 ~ 2.7GHz
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0 ~ 11
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2
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1
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-0.5~+0.7
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1.10
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1.10
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1.15
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0.2
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0.4
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32*34.8*39
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0 ~ 11
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5
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1
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±0.5
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1.10
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1.10
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1.15
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0.2
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0.4
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32*34.8*39
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0 ~ 31
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2
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1
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±1
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1.10
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1.25
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1.35
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0.5
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0.9
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32*73.53*40
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0 ~ 31
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5
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1
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±1
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1.10
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1.25
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1.35
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0.5
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0.9
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32*73.53*40
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0 ~ 31
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2
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1
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±0.65
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1.10
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1.15
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1.20
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0.5
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0.65
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32*34.35*53.6
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0 ~ 31
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5
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1
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±0.65
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1.10
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1.10
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1.15
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0.3
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0.65
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32*34.35*53.6
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0 ~ 31
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2
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1
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-0.5~+0.8
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1.10
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1.15
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1.20
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0.5
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0.65
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34*34.1*57.2
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0 ~ 31
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5
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1
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-0.5~+0.8
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1.10
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1.15
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1.20
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0.5
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0.65
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34*34.1*57.2
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0 ~ 51
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2
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1
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-0.65~+1
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1.15
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1.2
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1.25
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0.55
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0.85
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47.8*34.35*53
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0 ~ 51
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5
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1
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-0.65~+1.2
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1.10
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1.10
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1.15
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0.55
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0.85
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47.8*34.35*53
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Note: for more information about part dimensions, please download datasheets from the t accordingly.
Outline Dimensions (unit:mm & inch)
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VAB1101SA(0-11dB, 1dB step)
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VAB3101SB(0-31dB, 1dB step)
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VAB3101SA(0-31dB, 1dB step)
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VAB3101SS(0-31dB, 1dB step)
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VAB5101SA(0-51dB, 1dB step)
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SMA Type Series
(left and right connectors)
Step Type Spec.
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● Frequency range: DC to 2.7GHz ● Attenuation Range: 0-11(dB) or 0-31(dB) or 0-51(dB)
● Power rating: 2W or 5W ● Impedance: 50Ω ● Operating temperature: -40℃ ~ +85℃
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Model
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Attenuation Range
(dB)
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Power
(W)
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Step Value
(dB)
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Attenuation Accuracy
（dB）
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Typ. VSWR:1
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0dB
Insertion Loss
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Dimensions
SMA tupe
WxHxL
(mm)
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DC ~ 2.7GHz
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DC ~ 1GHz
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1 ~ 2GHz
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2 ~ 2.7GHz
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DC ~ 2GHz
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2 ~ 2.7GHz
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0 ~ 11
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2
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1
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+1.5
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1.10
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1.10
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1.35
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0.5
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1.0
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41*35.15*42.5
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0 ~ 11
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5
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1
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+2.0
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1.10
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1.10
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1.2
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0.5
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1.0
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41*35.15*42.5
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0 ~ 31
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2
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1
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-0.5~+0.8
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1.10
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1.15
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1.20
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0.5
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0.65
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34.8*34.35*53
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0 ~ 31
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5
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1
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-0.5~+1.0
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1.10
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1.10
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1.15
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0.3
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0.65
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34.8*34.35*53
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VAB5101S2* NEW
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0 ~ 51
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2
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1
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-0.65~+1
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1.15
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1.2
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1.25
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0.55
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0.85
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49.4*34.35*52
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VAB5101S5* NEW
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0 ~ 51
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5
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1
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-0.65~+1.2
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1.10
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1.10
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1.15
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0.55
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0.85
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49.4*34.35*52
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Note: for more information about part dimensions, please download datasheets from the t accordingly.
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Outline Dimensions (unit:mm & inch)
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VAB1101S
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VAB3101S
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VAB5101S
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N Type Series
(back connectors)
Step Type Spec.
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● Frequency range: DC to 2.7GHz ● Attenuation Range: 0-11(dB) or 0-31(dB)
● Power rating: 2W or 5W ● Impedance: 50Ω,75Ω ● Operating temperature: -40℃ ~ +85℃
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Model
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Attenuation Range
(dB)
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Power
(W)
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Step Value
(dB)
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Attenuation Accuracy
（dB）
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Typ. VSWR:1
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0dB
Insertion Loss
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Dimensions
SMA tupe
WxHxL
(mm)
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DC ~ 2.7GHz
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DC ~ 1GHz
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1 ~ 2GHz
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2 ~ 2.7GHz
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DC ~ 2GHz
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2 ~ 2.7GHz
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0 ~ 11
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2
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1
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+1.5
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1.10
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1.10
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1.35
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0.5
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1.0
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44*34.5*48.5
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0 ~ 11
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5
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1
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+2.0
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1.10
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1.10
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1.2
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0.5
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1.0
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44*34.5*48.5
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0 ~ 31
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2
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1
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+1.5
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1.10
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1.15
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1.45
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0.7
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1.2
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48*34.1*64
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0 ~ 31
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5
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1
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+2.0
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1.10
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1.15
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1.2
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0.6
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1.0
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48*34.1*64
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Note: for more information about part dimensions, please download datasheets from the t accordingly.
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Outline Dimensions (unit:mm & inch)
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N Type Series
(left and right connectors)
Step Type Spec.
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● Frequency range: DC to 2.7GHz ● Attenuation Range: 0-11(dB) or 0-31(dB) or 0-51(dB)
● Power rating: 2W or 5W ● Impedance: 50Ω,75Ω ● Operating temperature: -40℃ ~ +85℃
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Model
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Attenuation Range
(dB)
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Power
(W)
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Step Value
(dB)
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Attenuation Accuracy
（dB）
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Typ. VSWR:1
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0dB
Insertion Loss
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Dimensions
SMA tupe
WxHxL
(mm)
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DC ~ 2.7GHz
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DC ~ 1GHz
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1 ~ 2GHz
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2 ~ 2.7GHz
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DC ~ 2GHz
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2 ~ 2.7GHz
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0 ~ 11
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2
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1
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+1.5
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1.10
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1.10
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1.35
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0.5
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1.0
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44*39.2*48.5
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0 ~ 11
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5
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1
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+2.0
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1.10
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1.10
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1.2
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0.5
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1.0
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44*39.2*48.5
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0 ~ 31
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2
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1
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-0.5~+1.0
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1.10
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1.10
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1.15
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0.3
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0.65
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38.2*39*54
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0 ~ 31
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5
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1
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-0.5~+1.0
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1.10
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1.10
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1.15
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0.3
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0.65
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38.2*39*54
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0 ~ 51
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2
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1
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-0.65~+1.5
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1.15
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1.20
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1.25
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0.85
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1.4
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51.8*39*53
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0 ~ 51
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5
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1
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-0.65~+1.5
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1.15
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1.20
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1.25
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0.85
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1.4
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51.8*39*53
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Note: for more information about part dimensions, please download datasheets from the t accordingly.
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Outline Dimensions (unit:mm & inch)
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VAB1101N
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VAB3101N
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VAB5101N
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Part No. Description
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e.g.:VAE15S
Connector Type:S--SMA,N--N tgpe or B--BNC etc
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Continuous Type Spec.
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● Frequency range: DC ~ 3GHz ● Power rating: 2W ● Impedance: 50Ω,75Ω ● Operating temperature: -40℃ ~ +85℃
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Model
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Attenuation
Range
(dB)
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Impedance
（Ω）
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Typ. VSWR:1
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0dB
Insertion Loss
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Dimensions
SMA type
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DC ~ 2GHz
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2 ~ 3GHz
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DC ~ 3GHz
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VAE15*
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0 ~ 15
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50
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1.35
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1.50
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0.6
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45*23*28
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VAE15B*
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0 ~ 15
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75
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1.35
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1.50
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0.7
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45*23*28
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VAE
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Return to Switch/Rotary Variable Attenuator
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