4G Multi Voice Recorder Surveillance Module
- External MEMS microphone, sensitivity up to 60dB
- The memory card capacity up to 128GB, can be archived for several months, support remote access download function.
- The module supports 2G (GPRS), 3G (WCDMA), 4G (TDD, FDD-LTE), and WIFI communication network protocols.
- P2P network-oriented protocol, fast networking function can be connected without complicated settings.
- Dedicated APP support mobile phone (Android, Apple), computer connection monitoring.
- Full-time monitoring, scheduling monitoring does not miss any sound, at any time to listen and playback at any time.
- Do not have to pay high telephone communication costs, simply use network communication, reduce the cost of call costs.
- The SMS command controls whether the Internet signal is turned on or off to reduce the possibility of detection.