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SIM 800A GSM GPRS Module with RS232 Interface SIM 800A GSM GPRS Module with RS232 Interface [RKI-2586] - ₹1,755.00 : Robokits India, Easy to use, Versatile Robotics & DIY kits
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SIM900A GSM GPRS Module with RS232 Interface and SMA Antenna by Indian Hobby Center : Amazon.in: Computers & Accessories
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