Specifications

SB-P-06-4066
sepura
Mobile & Gateway Accessory i/f
specification
30th July 2012
Page 28 of 39
Issue 7c
© Sepura plc 2011
Accessory ID resistor,
ACC_ID2
Microphone resistance or current
Gain setting
≥ 10 kΩ
> 20 kΩ (< 0.4 mA), e.g., passive
electret
―Normal‖
≥ 10 kΩ
< 100 Ω, e.g., moving coil
―Low‖
≥ 10 kΩ
≥ 1.5 mA, e.g., active electret
―Low‖
0 Ω
> 20 kΩ (< 0.4 mA), e.g., passive
electret
―High‖