32 port gsm modem wcdma 3g modem 32 ports 3g sms modem pool sim5320A

32 port gsm modem wcdma 3g modem 32 ports 3g sms modem pool sim5320A
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GSM Modem Pool 32 Ports M35 Module USB AT Commands


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GSM MODEM POOL also known as "SMS cat pool" “Bulk sms machine” in China, With the USB 2.0 Cable connect with computer (laptops, desktops), insert both big and small sim cards, open our bulk sms software, then can send and receiving mass messages, simultaneously to send 600 pieces messages per hour for one port, totally 19200 for all 32 ports. Internal adapter assure stable voltage and excellent working environment. Free trial sms software will be provided.
Basic Characteristics

Quad Band GSM Modem: 850/900/1800/1900Mhz (worldwide use)

Just like 32 single-channel equipments work at the same time

Can insert 32 sim cards (big or small)

M35 GSM Modem supportchange imei by AT command

Send about 19200 sms per port per hour

Connection with the computer through a data line can be integrated with serial 8

Compatible with OS: Linux / XP / Vista / WIN7 / WIN8 etc.



Tech Parameters

Radio-frequency performance

Quad-band: 900/1800Mhz  /  850/1900Mhz


Support Text and PDU mode

Power consumption

Voltage : 3.6V

       Class4([email protected]/900MHz)          

       Class1([email protected]/1900MHz)

Single-channel input V:


Single-channel input C:

MAX 1.7A, average 270MA

Baud rate:

Default 115200bps

Transmit-receive rate:

1000-1500 sms /Hour

AT command control standards:

GSM07.07, GSM07.05 and other extension


50 ohm,3dB gain


Standard 1U

Range of temperature:

- 35°C to +80°C  working

- 40°C to +85°C  conserve



SIM interface:

1/8/16/32/64  SIM cards slot

Antenna interface:

SMA antenna




 How to change the M35 module gsm modem imei

  1. Use putty to login the module
  2. Input the at command ATE1 to echo display
  3. //WRITE:AT+EGMR=1, 7, "359231033480797" this at command will change the module imei to 359231033480797, and pls notice that you have to use the correct imei number if not the imei will be changed back to factory after reboot.  

 How to make a call


  1. Login the module and plugin the earphone in the module.
  2. Input the at command ATE1 to echo display
  3. Use at command ATD to make a call. Such as you want to dial 10086 then you need fill at command ATD10086; then you can hear the ring from the earphone. You can use at commandATH to handup a call.



  1. This M35 gsm modem will blink every 2 seconds when it works normally.
  2. It blinks one time one second without signal. If like this please change the working module\'s sim card to this module to check.
  3. Please turn off the module power to change the sim card.




How to Install the modem pool ?
1. Make sure power cable connect device,
2. Insert SIM card, make sure chipset connect with card reader
3.Use USB 2.0 Cable connect computer, follow prompts to install driver
4. Turn on power, red LED light, all red light flashing stands equipment begins work