Best price m35 module bulk sms 8 port gsm modem 
Product Description
8 port multi sim gsm modem with 2 years warranty

each port per hour send about 1500 sms 

1.support quad band:8050/900/1800/1900mhz

2.support imei changeable

3.support AT Command

4.support making phone call 

5.support send and receive sms ,mms ,ussd 

    The device built-in 8 wireless modules be inserted 8 SIM cards use 8 cards to send text messages, send speed as 8 times as a single channel modem. It uses the development of WAVECOM module, 220V power supply be a longtime stability, generous luxury housing. 
Tech Parameters  

Special	Specification
Power supply	VBAT power supply voltage range:3.3-4.6V Classical supply voltage:4.0V
Power Saving	Sleeping mode 1.3mA&DRX=5              1.1mA&DRX=9
Frequency	Quad-band GSM 850/GSM900 /DCS1800/PCS1900 Auto searching frequency Conform to GSM phase 2/2+
RF power	Class 4(2W):GSM850/GSM900 Class1(1W):DCS1800/PCS1900
GPRS connection characteristic	GPRS Muti-slot class 10 GPRS mobile station class B
Temperature range	Woking temperature:-35°C ~ +80°C Limited working temperature:-40°C ~ -35°C  & +80°C ~ +85°C Store temperature:-45°C ~ +90°C
GPRS data characteristic	GPRS data transfer:Maximum 85.6 kbps(Down Link) GPRS data transfer:Maximum 85.6 kbps(Up Link)
USSD	Support for Unstructured Supplementary  Service Data (USSD)
SMS	MT/MO,Text &PDU mode SMS store device:SIM card
SIM interface	Support SIM card:1.8V/3.0V
Antenna	50 Ohm
Audio	Audio coding modes: l  Half rate (ETS 06.20)  l Full rate(ETS 06.10)  Enhanced full rate (ETS 06.50/06.60/06.80) Echo cancellation  l l Echo suppression l Noise suppression
serial interface	Main serial interface 1.Full functional rs232 interface 2.Use for AT commands,GPRS data transfer 3.Auto detected Baud rate range: 4800bps-115200bps 4.Fixed Baud rate range:2400bps-460800bps Debug serial 1.Use for software debug and log output 2.Use for software upgraded 3.Fixed Baud rate 921600 bps
SIM application toolkit support	SAT class3,GSM 11.14 Release99
Real time clock	support
physical characteristics of module	17.6±0.15 × 15.9±0.15 × 2.35±0.2mm
Firmware upgrade	Via debug serial interface

FAQ

1. How to change the M35 module 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.

2. 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 command ATH to handup a call.

3. Which sim cards does this device support

   It supports all sim cards  in our life , both the big and small cards, just like the mobile phone cards.

Notice:     

1. This M35 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.

Our service

we provide strong technical support and one year warranty

we can send AT Command and Castersms to you freely

we also provide best after-sales service
Company Information
* YX International Information Co., Ltd is a manufacturer of GOIP GATEWAY, CDMA gateway, VOIP Products,  GSM Modem ,Voice Recorder and IP Phone with well-equipped testing equipment and strong technical force. Which is found in 2007, with almost 5 years export experience .
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