GSM FWT 850/900/1800/1900Mhz

Main function &Features
1) Simple to install and easy to maintain
2) Steady module (Simcom Sim340)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) Attractive plastic casing
8) SIM card supported (3V, 5V)
9) DTMF CLIP (Caller ID display)
10) Provides reversal polarity signal,12Khz,16Khz (selectable)for metering
11) No noise and clear voice
12) Suitable for wide voltage range and low power consumption 13) Suitable for all
kinds of weather and environment 
14) RJ-11 ports (two extensions: line / phone and line (optional))
15) Locking PIN / network (optional)

Specifications: 
1) Air interface standard: GSM 850/900/1800/1900Mhz phase 2+ Quad Band
2) Frequency ranges:check manual.
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 25mAhb) 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 1.5A
17) Switching type / transformer type AC adapter (optional)
18) Connector of power: China/US/European/British(optional) 19) Dimensions (L x W
x H) (average): 185 x 135 x 22mm
20) Weight: a) FWT: 400gb) Full set with AC adapter, antenna and box: 850g
21) Color: Black 
22) Connection mode: RJ-11 phone sockets
23) Antenna connection: SMA antenna connection
24) Back up battery (optional)