1 SIM Card GSM FCT Fixed Wireless Cellular Terminal for Voice Call 
Brand: Etross or OEM brand
Model No.: Etross-8848G
Product name: GSM FWT fixed wireless terminal/GSM gateway/GSM FCT fixed cellular terminal/GSM WLL/Analog FXS Gateway/Voice Call termination
Frequencies: Quad band 850/900/1800/1900MHz or Dual band 900/1800MHz

General Description:
Etross-8848 is a GSM to Analog Converter(single port, insert 1 SIM card only), the device can produce a FXS line to allow a regular phone to be connected and used just like a local landline(PSTN) except your calls will go out the GSM network. This device can both receive and make calls.

The main application is: Connecting the RJ-11 FXS line to connect Ordinary telephone set for voice call, to connect PBX for call extentions, to connect billing systems for public phone use, to connect VoIP gateway to realize VoIP call termination, to connect alarm system for security purpose, etc. It is not a VoIP gateway, nor a GSM+VoIP gateway, It is a GSM Fixed Wireless Terminal that produces a Analog FXS phone line.

Fetures:
1)Strong signal
2)IMEI changeable
3)SIM Card supported(1.8V, 3V)
4)Supports DTMF 2'ND dialing out
5)GPRS internet function(optional)
6)Locking PIN / network (optional)
7)Hides subscriber ID (been sent out)
8)Backup lithium-ion battery(optional)
9)Connects Alarm systems for security use
10)Provides reversal polarity signal for metering
11)Compatible to most telephones, PBX and VoIP gateways
12)Provides optimized circuit connecting the exchange device for Extension

Specifications:
1) Air interface standard: GSM850/1900MHz, 900/1, 800MHz phase 2+ full band
2) Frequency ranges:
A) GSM 850 GSM 1900:
I) Transmission: 869.2 ~ 893.8MHz I) Transmission: 1, 930 ~ 1, 990MHz
Ii) Reception: 824.2 ~ 848.2MHz Ii) Reception: 1, 850 ~ 1, 910MHz
B) GSM 900: GSM 1800:
I) Transmission: 890 ~ 915MHz I) Transmission: 1, 710 ~ 1, 785MHz Ii) Reception: 935 ~ 960MHz Ii) Reception: 1, 805 ~ 1, 880MHz
3) Channel space: 200KHz
4) Max power: 0.25W / 0.5W
5) Consumption:
A) Immobility: <25mAh
B) Transmission: <400mAh
6) Input: AC100 - 240V, 50 / 60Hz
7) Output: 12V 1A
8) Sensitivity: -105dB
9) AC power: DC 12V
10) Dial tone frequency: 450MHz (standard)
11) Connector of power: US or European type
12) User line, bell signal: In line with GB/T15279
13) Switching type / transforming type AC adapter (optional)
14) Antenna amplifying: 3.5dB (omni-direction), 12dB (certain direction/chosen direction)
15) Connection mode: RJ-11 phone socket
16) Antenna connection: SMA antenna connection

Operation Circumstance:
Operation temperature: -10c~60C
Storage temperature: -20C~70C
Operation humidity: 45%-95%
Atmosphere pressure: 86-106Kpa
Environment noise: <60dB

Package(Standard carton, 20PCS/carton):
1)FWT weight: 400g
2)Total weight: 800g
3)Color: White/black(optional)
4)Size(L x W x H): 185 x 135 x 22(mm)