Features:
Built-in watchdog duty circuit, automatic detection of equipment operating status, automatic restart failure.
Standard communication voltage, can be connected with the user switch (PABX).
Automatic IP function, multiple IP settings.
Fixed long-distance automatic insertion of the calling IP prefix, such as 17951,17911,193 and so on.
International, domestic, local calls and other types of access settings.
Preset local area number, local segment and forbidden dialing number or segment.
Encryption settings, such as PIN code, PUK code encryption card lock function.
LED lights display information such as , standby status, working status, etc.

Specifications:
PLug: 100-240V
Color: white
Caller ID: Yes
Interface form: RJ11
Support network: GSM: 1900/1800/900/850M
Visual function: None
Scope of application: access, security
Number storage function: Yes
Recording function: None
sensitivity: Transmitting power: Antenna power: >1.5db
Power: 5V 1A
Equipment Power
RJ11 Working Voltage: DC 8~12V
RJ11 Standby Voltage: DC 40~48V
RJ11 Dial-up Audio Frequency: 450HZ
RJ11 Feed Current: 20MA~40mA
RJ11 reverse polarity: support
RJ11 Caller: DTMF
Working Environment Temperature: - 20 ~50 ℃
Relative humidity: 10% ~90%
Package Weight: 389g/

Package List:
1 * Fixed Terminal Main Unit
1 * Power Supply
1 * Special Antenna
1 * Telephone Lne
1 * User Manual

Note:
Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.