Shenzhen Keda Technology Co., Ltd.
Main products:smart card reader,digital speaker,mobile phone
Contact Us
  • Contact Person : Mr. Tony
  • Company Name : Shenzhen Keda Technology Co., Ltd.
  • Tel : 86-755-83613395
  • Fax : 86-755-83613412
  • Address : ,,18F, JingHuaGe, JingFu Building, FuXiang Street
  • Country/Region : China
  • Zip : 518033

N9 Listening Device GSM Bug with Call Back Function

N9 Listening Device GSM Bug with Call Back Function
Product Detailed
N9 Listening Device GSM Bug 1.N9 Listening Device GSM Bug 2.850MHZ,900MHZ,1800MHZ,1900MHZ 3.Call Back function

N9 Listening Device GSM Bug

Operating frequency:



Standby time:

Acoustic alarm function on,standby 3-5 days.

Acoustic alarm function off,standby 12-15 days



1.Work frequency(850MHZ,900MHz,1800MHz,1900MHz)

2.Ultra tiny dimension: 4 x 3 x 1 (cm)

3.Weight: only 24g

4.Excellent stand by and working time, comparing to other similar products.

5.Prominent sound quality makes more reliable.


1..Card Compatible: GSM / SIM

2.Microphone Range (Meter):5~7(Radius)

3.Receive Sensitivity:-+10K

4.Working Temp:-40~50'C

5.Responding Frequency:1.2K~800Khz

6.Stand-by Time: Support voice control with 3-5 days,10-15 days without voice control

7.Working Time:5 hours

8.Approved: CE / FCC

9.All GSM SIM card compatible

Work frequency(900MHz,1800MHz,1900MHz). Please check if it can work with your local system format before purchasing!

Not suitable for either CDMA or 3G network!

User Manual:

1.Power on: Open the back cover. Sim card into the deck will automatically boot. boot light is 3 seconds. after the lights go off you can dial the sim card number.2.Installation:Please confirm the GSM network signal strength. So as not to affect the results cause can not be used.

Number of settings: call the sim card number with mobile phone or telephone, hang up then setting successVoice feature: Send “1111” message to the sim card number then voice controlling is open; Send “0000” message to the sim card number then voice controlling is closed.

Please do not use it to engage any illegal activity.


Important Notice:

When the battery is depleted,it starts charging 3 minites later after it is connected to the electrical outlet.

Before the first time using,the device should be fully charge in order to reach best performance.

Charger standard:+-5.0V 300-500MA,please use standard charger in case of host damage.

Make sure to install it in the environment with strong GSM signal.Week signal or lack of signal will contribute to bad effect and out of run.

If the lights off, please charge it and use later.

If ou can not connect to the device please re-install the SIM card or try it after battery charger.

If the device can not automatically answer calling,please re-install the SIM card.

If you need external controlling please contact us for custom solution.

Package Included:1 x Mini GSM VOICE ACTIVATED Device---(without retail packaging)1 x Usb cable1 x Charger(110V-220V)

Note: We will repackage this item to Reduce Shipping Weight and also Paper, Bag Waste. We guaranty the item will be treated well, and also protected well.


N9 Listening Device GSM Bug with Call Back Function

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