[High Stability ] 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.
[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.
[High Performance] Install a GSM SIM card, you can make phone calls with this terminal by connecting it with a common wired landline phone. LCD display can show signal value and call status clearly, very convenient to use.
[Upgraded Card Slot] 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 Cato.
[24-hour Constant Working] Built-in watchdog automatic detection, all-round to avoid the occurrence of crashes, to prevent the crash, to avoid missed calls. with automatic step-down circuit, you can directly use the 12V power supply of the security alarm system.