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B01 - Smallest GSM bug (M90)  (B01)

Audio devices


Frequency: 900, 1800,(Pls do not plug the CDMA sim card for the device,It will not work with the CDMA Card)
Embed four condense microphone
24 hours continuous usage.
All GSM SIM card compatible
Microphone range: 10~14 Meters (diameter), 4 direction

Receive sensitivity: -+ 10K
Working temp: -40~50 degree C
Responding frequency: 1.2K~800Khz
Stand-by time: 4 --7days
Dimension: 1.4 x 2.8 x 4cm


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