Supporting voice, fax and data service, sd01g-fax3 can be connected to telephone, fax machine, and computer. It can also be connected to the PBX as a wireless trunk.

Sd01g-fax3 support CLID, Call Restriction, Call Forward, Call waiting and Auto PIN entry for SIM card . It also supports 12/16 kHz meter pulse or reversal signal for billing which is widely used in payphone.
Connecting sd01g-fax3 to a computer by a RS232 cable, sd01g-fax3 can be regarded as a standard modem, Internet Access, E-mail, Asynchronous Data Service and PC Fax are available ( these text with underline is only for the terminal with fax function).

Specification:

Network Frequency: GSM900/1800MHZ OR GSM 850/1900MHZ
The power supply interface: POWER/ DC12V
Outside phone interface: RJ-11(PHONE)
Outside fax interface : RJ-11(FAX)
The antenna interface: SMA(Male)
3V/5V SIM interface .
The power adaptor :
Input voltage: AC90-260V/50Hz
Output voltage: DC12V
Output current: 1.5A
Antenna:
Frequency Band: 890-960 MHz / 1710-1880 MHz
Gain: 2.5dBi
Wave ratio:≤1.5
Input resistance: 50 ohm.
Polarize method: perpendicularity polarize
Size ( length × width × height)
420mm × 220 mm× 70 mm( not include the antenna)
Weight: 800g ( include the antenna,  power adaptor.)