Low cost GSM/GPRS modules for purchase in India

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1) Simcom SIM900A : 

SIMCOM manufactured SIM900A is a very low cost GSM/GPRS module used widely in India for cost sensitive applications. 

Features :

  • Dual-Band 900/ 1800 MHz
  • GPRS multi-slot class 10/8
  • GPRS mobile station class B
  • Compliant to GSM phase 2/2+
  • Class 4 (2 W @900 MHz)
  • Class 1 (1 W @ 1800MHz)
  • Dimensions: 24*24*3 mm
  • Weight: 3.4g
  • Control via AT commands (GSM 07.07, 07.05 and SIMCOM enhanced AT Commands)
  • Supply voltage range: 3.1-4.8V
  • Low power consumption: 1.5mA(sleep mode)
  • Operation temperature: -40° C to +85°C

SIM900A is available for purchase in India

@ Complete board with all interfaces Amazon India at Rs.1024/- 

TTL version is also available at Amazon at Rs.1650/-

with RS232 version at Amazon at Rs.1199/-

@ Rhydolabz India at Rs.680/- each

@ Digibay India at Rs.899/- each

With TTL breakout board @ NSK Electronics at Rs.1,200/- each

With TTL breakout board @ Probots at Rs.1,200/- each

With RS232 interface @ NSK Electronics at Rs.1,500/- each

With RS232 interface @ Rhydolabz India at Rs.1,909/- each

With RS232 interface @ OnlineTPS at Rs.1,942/- each

2) Neoway M660 : 

This is a very easy to use low cost GSM/GPRS module which i came across while designing a GPRS data logger product for my client. It has very big pins and easily hand solderable. It has got a very programmer friendly set of AT commands in which i was able to connect to GPRS using only three commands remaining commands are the same as SIM900A AT command set. 

Features : 

  • Quad-band：850/ 900/ 1800/ 1900 MHz
  • Supports TCP/ UDP/ FTP/ DNS
  • TCP procotol stack support client mode, server mode, mix mode
  • Multi-channe link
  • Product certifications: CMIIT, CE, FCC
  • Dimensions 22.0 * 18.4 * 2.8 mm
  • Sensitivity -107 dBm
  • Instantaneous current Max 1.8 A
  • Operation current < 250 mA
  • Standby current < 2.0 mA
  • Operating temperature : -40~+85℃
  • Operation voltage : 3.5~4.3V, 3.9 V recommended
  • Packaging 28-pin LCC package

 M660 module is available for purchase at ecomsolutions.in for Rs. 500/-

3) Neoway M600A : 

M660A is a newer version of the M660A module with a price tag much lower than M660 targeted to compete with Simcom counterpart SIM900A in Indian market. M660A is a GSM/GPRS industrial wireless module that supports EDGE-Rx. With the ability to support Voice, SMS, and Data Services, It is widely used in Industrial and Consumer Devices as a drop in replacement for SIM900A.

Features :  

  • Dual-band:900/1800M or 850/1900M 
  • High reliability:Special EMI/EMC design, still as steady as a mountain with bad electromagnetic environment 
  • Support various protocols: 
  • TCP/UDP/FTP/DNS/HTTP 
  • TCP procotol stack support client mode / server mode / mix mode 
  • Multi-channe link 
  • Certificate: CMIIT, CE 

Product specification:

  • Sensitivity : – 106dBm 
  • Instantaneous current : Max 1.8A 
  • Operation current :<300mA 
  • Standby current : 1.5mA 
  • Operation temperature : -30?~+70? 
  • Operation voltage :3.5V~4.3V(recommended value3.9V) 
  • Connector :68Pin soldering-pan connector LLC 

Neoway M660A is available for purchase in India at ecomsolutions for Rs.400/- each

 4) Simcom SIM900 : 

Although SIM900 does not fit in the article for low cost modules, I am including it anyhow if someone finds the links useful. SIM900A is the stripped down version of SIM900 and its the SIM900 that includes a whole lot of features as below,

Features :

  • Quad-Band GSM/GPRS  850/ 900/ 1800/ 1900 MHz 
  • Normal operation temperature: -20 °C to +55 °C
  • GPRS multi-slot class 10/8
  • GPRS mobile station class B
  • Compliant to GSM phase 2/2+
  •   – Class 4 (2 W @850/ 900 MHz)
  •   – Class 1 (1 W @ 1800/1900MHz)
  • Dimensions: 24*24*3mm
  • Weight: 3.4g
  • Control via AT commands (GSM 07.07 ,07.05 and SIMCOM enhanced AT Commands)
  • SIM application toolkit
  • Supply voltage range : 3.2 … 4.8V
  • Low power consumption: 1.0mA(sleep mode)
  • Operation temperature: -40°C to +85 °C 

Specifications for Fax

  • Group 3, class 
  • Specifications for Data 
  • GPRS class 10: max. 85.6 kbps (downlink)
  • PBCCH support
  • Coding schemes CS 1, 2, 3, 4
  • CSD up to 14.4 kbps
  • USSD
  • Non transparent mode
  • PPP-stack
  • Point to point MO and MT
  • SMS cell broadcast
  • 0710 MUX protocol
  • embedded TCP/UDP protocol 
  • FTP/HTTP
  • Special firmware 
  • FOTA 
  • MMS 
  • RTC backup
  • Serial interfaces UART,SPI,I2C,GPIO,PWM,ADC

Certificates

  • FCC
  • CE 
  • ROHS
  • PTCRB
  • GCF
  • IC
  • ICASA
  • REACH

SIM900 is available for purchase in India 

@ Digibay India at Rs.1,499/- each

@ Robosoft systems at Rs.1,990/- each

@ Rhydolabz India at Rs.2,111/- each

@ Thinkware India at Rs.2,500/- each

 

Also see : 

 

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