Bewinner GSM Wireless Terminal Fixed Phone,LCD Display Standard DTMF Recognition Built In Watchdog Automatic Detection 2G/3G/4G Card for Telephone Landlines, Alarms, Recording Boxes (UK Plug)

LCD display, signal value display, call status display, etc. The card slot is newly upgraded, which is convenient for viewing the contact between the card and the chip. It is also beneficial to some customers who use Cat With automatic step-down circuit, you can directly use the 12V power supply of the security alarm system Standard DTMF input recognition and display. In addition to the standard caller ID, you can also use standard DTMF input to avoid problems such as missing numbers and other missing numbers.Adopt industrial wireless communication module, cooperate with high-quality signal to enhance the antenna, the signal is relatively strong, and the call quality is clear and stable. Adopt anti-noise circuit design, anti-noise and anti-interference.24 hours of work, built-in watchdog automatic detection, all-round to avoid the occurrence of crashes, to prevent the crash, to avoid missed calls.