Multi Channels wireless data modem using fsk / industrial wireless modem

16 channels High Speed 5W Radio Modem FC-302 with RS-232 for Data Collection Abstract FC-302 is a synthesized 5-watt FM UHF/VHF Wireless Radio Modem, which is designed for data transportation and voice communication. For the voice communication, it can support selected pre-emphasis, squelch and audio amplifier. The radio is PLL(Phase Lock Loop Synthesizer) /microprocessor controlled with optional FSK, GMSK, 4FSK modem, and 16 channels. The application of two-point modulation