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PSTN TO GSM CONVERTER direct supplier with 2RJ11 GSM FWT(Manufacture)
GSM FWT-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.
Advantage :
1.more than 7 years manuafaturer
2.CE&RoHS
3.Imei changeble ; polarity reversal signal for billing meter while connection ; multi-useage
4.good technical support
5.Fast production
6.OEM &ODM service welcomed
All of our products have 1 year warranty
ATTN: 1) Please confirm your network frequency before you place the order, in North America, Central America,
Caribbean and South America,GSM Network frequency is: 850/1900Mhz or Quadband 850/900/1800/1900Mhz;
while in Europe,Asia,Africa,Oceania and Middle east, GSM frequency is GSM 900/1800Mhz.

Features and Functions:
1) Simple to install and easy to maintain
2) Steady industrial module and reliable design ensures good performance
3) Provides optimized circuit directly connecting the exchange device for Extensions
4) Compatible to most telephones, PBX and VoIP gateways (for call Termination)
5) Connect to Alarm systems to realize wireless alarm(for security use)
6) Strong signals with high gain antenna
7) Support SIM card (1.8V,3V)
8) Support DTMF 2'nd dialing out
9) DTMF CLIP(Caller ID display)
10) Hide subscriber caller id (been sent out)
11) Provides reversal polarity signal for metering
12) Signal indiator and power indicator and working status indicator
13) Suitable for wide voltage range and low power consumption
14) Suitable for all kinds of weather and environment
15) Locking PIN / network (optional)
16) GPRS function(optional)
17) IMEI change(optional)
18) Back up li-ion battery(optional)
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) User line, bell signal: In line with GB/T15279
5) Max power: 0.25W / 0.5W
6) Consumption:
A) Immobility: Less than 25mAh
B) Transmission: Less than 400mAh
7) Sensitivity: -105dB
8) Dial tone frequency: 450MHz (standard)
9) Surrounding temperature: -10°C ~ +40°C
10) Relative humidity: 45% ~ 90% (without frost)
11) Atmosphere pressure: 86 ~ 106KPa
12) Environment noise: <60dB
13) Antenna amplifying: 3.5dB (omni directional), 12dB (certain direction /
Chosen direction)
14) AC power: DC 10V - 20V
15) Input: AC100 - 230V, 50 / 60Hz
16) Output: 12V 1A
17) Switching type / transformer type AC adapter (optional)
18) Connector of power: US or European ,UK,austrialia .
Package :
G.W: 0.75kg per unit. And 20pcs per carton, 15kg per carton




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