Features: l Low power consumption, HT1200M is used for developing HART products and good at performance, cost and quality etc. l HT1200M is compatible with HT20C15 and SYM20C15. l Single chip, FSK modem ( Semi-duplex 1200b/ s) l Integrates circuit of receiving band-pass filter l External connection with 460.8kHz crystal or ceramic filter l Voltage: 3.3V^ 5.0V; Operation current: