Mtech GSM Mobile Device Terminal

Specifications:
1) 1-SIM GSM Gateway with 2-RJ-11 outputs.
2) Connect with telephone set, PBX , VOIP Gateway.
3) Dialing tone frequency: 450hz.
4) SIM card supported (1.8V, 3V).
5) Caller ID display, Time, Date, Signal display.
6) DTMF Dialing; (FSK is optional)