HM-D is equipped with an FSK demodulator to decode the data transmitted by HM-E TX module, so it is ideal for remote controlling systems. FSK demodulator works at the frequency band of 315MHz, 434MHz, 869MHz, 915MHz. ETSI and FCC regulation can be easily met. Features: 1) Low cost, high performance 2) Very few external components 3) 2.2V to 5.4V power supply 4) Current consumption: a) Typical 9mA / 3V enable pin high, in RX mode b) Typical 0.3uA /3V enable pin low, in standby mode 5) Received code verification 6) Latched data I/O pin 7) Used in conjunction with hope\'\'s hme transmission module 8) 15 pin dip/15 pin sop package Typical applications: 1) Automobile door opener 2) Garage door opener 3) Anti-theft system 4) Home security 5) Electrical home appliance control 6) Wireless toys 7) Other wireless systems