Brand: Etross or OEM brand Model no.: Etross-8818 V1.1 Product name: GSM Cellular terminal Frequencies: GSM900/1800Mhz dualband Key functions ***** backlight display (*****: blue, green) ***** dial the local calls, mobile calls, international calls and special free calls 3.Supports modem mode ***** need to dial area code when calling local numbers 5.Automatically connects to IP network when dialing long distance(optional) 6.Automatic card-locking and netwok -locking enable ***** ID display, time and date display, the power supply of battery can display at the same time on the LCD. ***** rate setting enable Features and Functions: 1) Simple to install and easy to maintain 2) Steady module and reliable design ensures good performance 3) Provides optimized circuit directly connecting the exchange device for Extensions 4) Compatible to most telephones, PBX and VoIP gateways (for call Termination) 5) Strong signals with high gain antenna 6) Attractive plastic casing 7) SIM card supported (1.8V, 3V) 8) Caller ID display 9) Provides reversal polarity signal for metering 10) No noise and clear voice 11) Suitable for wide voltage range and low power consumption 12) Suitable for all kinds of weather and environment 13) RJ-11 ports (two extensions: Line / phone and line (optional)) 14) Locking PIN / network (optional) 15) Connect to Alarm systems to realize wireless alarm (for security use) Show More