Brand: Etross or OEM
Model: Etross-188 V30
Frequencies: 850/900/1800/1900Mhz GSM FWT

Functions:
1. Support GSM 900/1800 and 850/1900 Mhz or 4-bands optional
2. Data Service, GPRS, Connect to computer with USB port
3. Rapid-dial for one pre-configured call number
4. Call restriction
5. Reverse metering signal and 12Khz and 16Khz selectable
6. DTMF CLIP
7. Call in / Call out / Call waiting limitation function
8. Lock up function: SIM Card, network, cell and operated company
9. Local No. / direct No. / Limited No. Setting
10. Available for being connected to the PBX as a wireless trunk

Specifications:
1. Air Interface Standard GSM 900/1800 MHz Phase 2+
2. Frequency Ranges Transmission Reception GSM 850 GSM 900 890~915MHz 935~960MHzGSM 1800 1710~1785MHz 1805~1880MHzGSM 1900
3. Channel Space 200KHz
4. User line, bell signal In line with GB/T15279
5. Max Power 0.25W/0.5W
6. Consume Immobility less than 25MA, Transmission less than 400MA
7. Sensitivity -105db
8. Dialtone frequency 450Mhz (Standard)
9. Surrounding Temperature -10 degree ~ +40 degree Relative humidity: 45% ~ 90%( Without Frost)
10. Atmosphere Pressure 86 ~ 106Pka
11. Environment Noise <60db
12. Antenna amplifying 3.5db(omni directional) 12db(certain direction /chosen direction)
13. AC Power Input: (AC100-230V, 50/60Hz) Output: (12V 1A) Switching

type /Transformer Type Ac-adapter (optional)
14. Connector of Power American/European/British type (Selectable).
15. Dimensions (L*W*H) Average 185*135*22(mm)
16. Weight FWT 400g, full set with ac-adapter &antenna &box 850g
17. Color black
18. Connection Mode RJ-11 phone sockets;
19. Antenna Connection SMA Antenna Connection.

Applications:
1) For public use as payphones
2) For office and home use
3) For rural and mountainous areas
4) For mobile carriages, like ships, automobiles and trains
5) For those places where hardwire-line telephone service is unavailable