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PN532 NFC RFID Read Write Module V3 Kit DIY Robot Mechanical Arm Clamp Holder Secure Retention Snug fit Secure Retention Snug fit prevents the battery from dislodging during movement or orientation changes Parameter Details Module Type SIM800 GSM GPRS Modem Frequency Bands 850 900 1800 1900 MHz Interface UART (TTL RS232) Antenna External SMA Connector Power Supply 5V DC (with onboard regulator) Current Draw 500mA peak PN532 NFC RFID Read Write Module V3 Kit
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