Project Description

16 ports 64 sims GSM modem wireless terminal

16 ports 64 sims GSM modem wireless terminal GSM Gateway. It has 4 sim cards in each port, 1 sim card is on, other 3 cards are stand by. Users can set work times and munites in each card.
4 sim cards can do sim rotation.

Model: G1664


16 ports 64 sims GSM modem wireless terminal for voice and bulk SMS

Bulk SMS sending machine 16 ports 64 sims GSM modem wireless terminal for SMS boardcast, voip gateway, call termination. Support voice call and SMS. It is with 4 RJ45 ports which can connect 16 telephones, and it also supports bulk SMS through USB to connect computer.It supports bulk voice call and bulk SMS, MMS as wireless modem pool. The GSM FWT supply a clear bond between standard phone/ VOIP GATEWAY/ PBX and GSM Cell Network.GSM FWT and GSM modem pool, 2 functions in 1 device.

  • It is a 16 channels GSM modem fixed wireless terminal that has 16 ports RJ11 FXS interfaces;
  • Working Frequency: Dual-band 900/1800Mhz, Quad-band GSM/GPRS 850/900/1800/1900MHz.
  • Support bulk voice call, SMS and MMS.
  • 16 individual Channels, each channel with 4 SIM slot, totally 64 sim cards. Each line 4 sim cards can rotate by using time and call-out times, namely sim rotation.
  • support VoIP gateway, PBX, Tel set and billing machine.
  • It is compatible with Asterisk.
  • Caller ID display.
  • Voice adjustment of calling in and out,multi-lever volume to be chosen.
  • Can proceed with setting up and modification of parameters through the phone set.
  • Bell signal, DTMF dialing.
  • High clear voice, rapid network searching.
  • IMEI is changeable, you can modify the IMEI with the keyboard of tel phone, every easy.
  • polarity reversal.
  • IP presetting.


1)insert SIM cards.

2) USB port for computer, laptop, notebook. Send bulk SMS.

3) support 16 telephone sets.

16 ports gsm gateway

1)  Protocol GSM mobile network. AT command.
2)  Connection RJ-11 telephone line socket.
4)  Working environment:Windows7,8,Vista,XP,2003/2000,Linux,Mac…OS.
5)  SIM card supported (1.8V, 3V);
6)  Dialing tone frequency:450hz;
7)  Antenna socket (SMA);
8)  Working status and Signal Strength by LED indicator;
9)  Can adjust dial interval from 0.5sec to 9 secs by setting up from telephone set;
10) Can adjust voice volume by setting up from telephone set;
11) USB interface for the computer.

Technical specifications:
1,Network support:
GSM 900/1800Mhz, GSM850/900/1800/1900Mhz. CDMA800Mhz 2000 1X (optional)
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,Phone interface: supply RJ-11 Phone Interface
4,Hanging voltage: 45V
5,Picking off voltage: 30mA / 41mA
6,Dialing tone Frequency: 450Hz
7,Antenna interface: Antenna amplifying>2.5db
9,Transmitting power<3W
10,AC-Adapter interface: INPUT: AC 110~240V
11,OUTPUT: 5V 7A
12,AC-Power type: EU,US,AU,British plugs are optional.

Operation temperature: -10c~60C
Storage temperature:-20C~70C
Operation humidity:45%-95%
Atmosphere pressure:86-106Kpa
Environment noise: <60DB
Transmitting Power:2W
Sensitivity: <-104dbm Antenna Amplifying: >1.5db
Dialing frequency: 450Hz
Hanging voltage: 45V
Picking current: 30mA/41mA

Packing list:

G1664 16 PORTS 64 sims GSM FWT modem: 1 unit.
Power Supply Cable: 1PCS.
GSM Antenna with 3M cable: 16 PCS.
RJ-45 Cable: 4PCS

Product dimension: L400x W150 x H120mm
Gift box dimension: L460x W180 x H200mm
G.W: 6KG

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