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One Number Unified :

There are 8 phone numbers (8 SIMs) in the GSM device (FWT-8-ONU)

You just released the first of the eight phone numbers to your customers

If your customers call the first number

You can speak to eight clients at the same time

The feature is widely applied in PBX Relay / VoIP Original .

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FWT400 GSM serial

FWT400 GSM serial Fixed Wireless Terminal

Type： FWT400x-y-z
 x ：A(International) B（China Only） C（Final）
 y ：S（Single Port） 4（Four Port） 8（Eight Port）
 z ：32（32 Cards） 64（64 Cards）

Frequency range：

 FWT400A: GSM 850MHz/900MHz/1800MHz/1900MHz
 FWT400B: GSM 900MHz/1800MHz (Only in china)
 FWT400C: GSM 850MHz/900MHz/1800MHz/1900MHz

The Features：

 Standard FXS port 
 CLIR 
 Lock Operators / Cell ID / Arfn / BCCH and or so 
 Set IMEI / Update IMEI automaticly 
 Add IP automaticly / Dial IP automaticly 
 Group call automaticly as mutiparty calls 
 ……
 Function in more detail please refer to product specifications

Interface：

Supplier： Input AC85~265V 
Antenna： 4.5dB，50ohm，3 meters -104dB
COM Port： TTL ，3 Lines serial 
SIM：  1.8V/3.3V SIM Card，GSM，WCDMA
FXS： Idle voltage: 45V
 Ring voltage: 75V
 Hook voltage: 9V
 Line impedance: 600ohm
 The supply current: 32mA
 Dial-Tone: 450Hz
 Busy-tone: 450Hz@350ms/350ms
 Standard polarity reversal signal

Application environment ：

 Working Temperature：-20℃ ~ 60℃  
 Moderate： 15% — 95%
 Storage temperature：-45℃ ~ +85℃   
 Atmospheric pressure：86kPa — 106kPa
 Environmental noise：〈 60dB。

Weight：
 Single Port:  0.8kg
 Four Ports:  3.9kg
 Eight Ports:  4.5kg
 Eight Ports 32SIM:  5.2kg
 Eight Ports 64SIM:  5.5kg