Brand: Etross or OEM brand
Model No.: Etross-8848
Product name: GSM G3 FAX Terminal
Frequencies: GSM 850/900/1800/1900MHz

Main function & features
1. GSM G3 fax terminal supports voice and fax function
2. Employ Siemens TC35I module to make
3. Can send and receive fax by connect to an analogue fax machine
4. Compatible to most telephones, PBX devices and analogue fax machines
5. Connect to Alarm systems to realize wireless alarm(for security use)
6. Strong signals with high gain antenna
7. Attractive plastic casing
8. SIM card supported (1.8V, 3V)

9. DTMF CLIP(Caller ID display)
10. Provides reversal polarity signal for billing
11. No noise and clear voice
12. Suitable for all kinds of weather and environment
13. RJ-11 ports(1 for connecting ordinary telephone set, another for connecting fax device)
14. Locking PIN / Locking Phone

Specifications
1. Air interface: GSM900 and GSM 1800MHz frequencies
2. External in interface:
The power supply interface: POWER / DC12V
Outside phone interface: RJ-11(PHONE)
Outside fax interface: RJ-11(FAX)

The antenna interface: SMA (Male)
1.8V, 3V SIM interface
2. The data Service interface: SERIAL PORT
3. Power adaptor:
Input voltage: AC90-260V/50Hz
Output voltage: DC12V
Output current: 1.2V
4. Backup battery: Ni-MH battery 7.2V /1.2A
5. Antenna:

Frequency Band:
890/960 MHz / 1710-1880 MHz
Gain: 2.5dBi
Wave ratio: ≤ 1.5
Input resistance: 50ohm
Polarize method: Perpendicularity polarizes
6. Size: (L*W*H): 420mm*220mm*70mm (not include the antenna)
7. Weight: 0.8kg (include the antenna, battery, power adaptor. )