The model of the phone sold this time is: AFT-BG-40
Size: 320x260x126 mm
Weight: 4 KG
Applicable to: Suitable for campus schools, farms, prisons, military and other places, this phone has automatic dialing function, support RJ11 wiring.

Product Features:
1. The shell is made of high-strength cold-rolled steel plate. The surface is made of imported high-grade powder paint and baked at high temperature. The color is bright and wear-resistant and corrosion-resistant;
2, the telephone motherboard is developed by PIC imported MCU, SMD components, high integration, safety and stability;
3, the phone button is made of stainless steel, contact resistance ≤ 30 ohms. Service life ≥ 5 million times. Pressing force 160-200 grams;
4, silk screen printing customer LOGO and related operating instructions, with dust, anti-noise, anti-violence characteristics, the whole machine protection level reaches IP54;
5, according to specific needs, the phone can be set to the ordinary dialing function (used as an ordinary emergency phone);
6, hands-free use of the latest and most advanced hands-free chip, the call voice is clear, there will be no howling sound;
7. The phone needs to be inserted into the telecom CDMA-UIM card or the mobile Unicom CSM-SIM card. The signal is stable, and the set emergency call can be dialed without inserting the radio frequency card; during the call, the volume can be adjusted freely;
8. Large-capacity backup battery, can be standby for 5 days after power off, call for 4 hours; (additional configuration)
9. Support lock network, lock operator, encryption card function, prevent illegal card use;
10. By automatically swiping the card number, password, and identity authentication, the operation is simple and the performance is stable;
11. The city code and school code can be modified and the confidentiality is strong.