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This is an affordable and simple Arduino GSM and GPRS shield. Module M95 QUECTEL Modem.

ORDER CODE: RDL670

M95 is one of the smallest Quad-band GSM/GPRS modules in LCC castellation packaging with the compact size of 19.9 × 23.6 × 2.65mm, ultra low power consumption and extended temperature range.

ORDER CODE: RDL678

GSM GPRS SIM800C Modem-RS232 is built with Quad-Band GSM GPRS engine-SIM800C, works on frequencies 850/900/1800/1900MHz. The Modem is coming with RS232 interface, which allows you connect PC as well as a microcontroller with RS232 Chip(MAX232). 

ORDER CODE: RDL807

This is a cost effective and simple Arduino GSM and GPRS shield. Module SIM800C Modem is being used.

ORDER CODE: RDL808

GSM GPRS M95 QUECTEL Modem -RS232 is built with Quad-Band GSM GPRS engine-M95, works on frequencies 850/900/1800/1900MHz. The Modem is coming with RS232 interface, which allows you connect PC as well as a microcontroller with RS232 Chip(MAX232). 

ORDER CODE: RDL815