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16 analog inputs
accuracy specifications compared to its predecessor
That's a lot of servos/LEDs under your control
a 16 MHz crystal oscillator
GSM 900 MHz
RFID Keypad with Card Reader soldering 16 analog inputs1 Brand Name: OBO HANDS 2 Model Number: T22 key3 Type: RFID access control keypad 4 Support: RFID card, password, RFID card + password 5 Working voltage: DC12V 7 Material: ABS 8 User card capacity: 1000 9 Working frequency: 1 10cm 10 Frequency: 125Khz
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