GSM Fax Terminal

GSM Fax Terminal 1. Using SIM card and suitable for GSM850,900,1800,1900MHz(optional) 2. Send /receive faxs through connecting to fax machine,expect for making&answering calls after connecting to telephone 3. Available to connect with telephone set, PBX, billing machine, etc 4. Available to connect with backup battery ,and stand-by time can reach 24 hours in case when the power is cut off 5. Built-in PIN code protection featured with locking device/card/network 6. With LCDdisplay to show Caller ID 7. Optional to match with various high-gain antennas, featured with indicators ofsignal intensity, working status, breakdown, etc