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MatLogix SIM900A GSM MODEM MODULE with SMA ANTENNA - CALL SMS GPRS facility - MIC input, LINE input & SPEAKER output pins - RS232, TTL & I2C Communication (VERSION 2) : Amazon.in: Computers & Accessories
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Computer Accessories HA RS232 GPRS Modem/GSM Modem, Support SIM Card, GSM: 900 / 1800 MHz Signs Random Delivery : Computers - Amazon.co.jp
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