Model No.:HM-DB
Product Origin:China
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Description:HM-EM is a low power FSK modulated encoder system equipped with internal address and two key input ports (this module works with HM-DB decoder module). The FSK signal covers range of 315MHZ, 434MHZ, 869MHZ and 915MHZ band, and it can meet with ETSI and FCC regulation, no license will be needed. Features: 1) 2.2V - 5.4V power supply 2) Current: 0.3A/3V typical when D0-D3 is floating 3) Falling edge on key input port trigger FSK transmission 4) Maximum address range: 0- 65,535 5) No alignment needed during mass production stage 6) Low cost, high performance 7) Very few external components needed 8) 15 PIN DIP/15 PIN SOP package