High quality, High technology,Innovative products ,Fast shipping ,Professional Service,

4G GSM Listening device

  • Pages: 1
  • OTP-SG01 Super mini 4G GPS Tracking Web APP Tracking Voice Recorder

    4G GSM Listening device

    1、Multiple positioning mode: GPS+LBS

    2、Wordwide 4G, LTE-FDD:B1/B3/B5/B8,LTE-FDD:B34/B38/B39/B40/B41
    3、Service platform: IE&APP, Support Android&ios
    4、Automatic Time Update
    5、Tracking through the cell phone APP or the computer
    6、Tracking/APP voice recorder
  • OTP-SP42A World first 4G GSM listening device, voice activated voice call back alarm device.

    4G GSM Listening device

     1. Surround voice listening (automatically answer the call after dialing in)

    2. Voice-activated alarm (the module will automatically send SMS notification and call back if the volume exceeds the set volume)

    3. Remote SMS control

    4. GPS location via text message return

    5. Notification function of external alarm device (NC, high-level triggered SMS notification)

    6. Special vocal filter function

    7. Built-in dual MEMS microphone, can be connected with external min MEMS microphone

    8. Support Micro USB power supply, external power supply support DC5-15V 

    9. Support 3.7V lithium battery


  • Pages: 1