Summary of Contents for Rhydo SIM 900 SIM 900 -TTL UART
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www.rhydolabz.com SIM900 GSM/GPRS TTL UART Modem - User Manual SIM 900 SIM 900 - - - - TTL TTL TTL TTL UART UART SIM 900 SIM 900 UART UART G G G G S S S S M/G M/G M/G M/GP P P P RS RS RS RS M M M M o o o o d d d d e e e e m m m m Page 1 …...
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www.rhydolabz.com SIM900 GSM/GPRS TTL UART Modem - User Manual FEATURES Page 2 … …...
www.rhydolabz.com SIM900 GSM/GPRS TTL UART Modem - User Manual PIN DESCRIPTIONS PIN NAME DETAILS -— … … Page 5...
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www.rhydolabz.com SIM900 GSM/GPRS TTL UART Modem - User Manual Mode Function Normal operation POWER DOWN Minimum functionality mode (withoutremove power supply) … … Page 6...
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www.rhydolabz.com SIM900 GSM/GPRS TTL UART Modem - User Manual Pin Name Pin Number Function AIN/AOUT Note: all components package are 0603 … … Page 14...
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www.rhydolabz.com SIM900 GSM/GPRS TTL UART Modem - User Manual INTERFACING THE GSM MODEM … … Page 15...
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www.rhydolabz.com SIM900 GSM/GPRS TTL UART Modem - User Manual S S S S A A A A M M M M P P P P L L L L E E E E C C C C O O O O D D D D E E E E – – – – FOR FOR I I I I N N N N T T T T E E E E RFA RFAC C C C I I I I N N N N G G G G W W I I I I T T T T H H H H M M M M I I I I C C C C RO...
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www.rhydolabz.com SIM900 GSM/GPRS TTL UART Modem - User Manual P P P P C C C C I I I I N N N N T T T T E E E E R R R R FA FAC C C C E E E E S S S S OF OFT T T T W W ARE ARE FOR...
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