Where to begin to design transceiver

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http://forum.allaboutcircuits.com – I have to make a 457 Khz avalanche transceiver . I am mainly in programming side. This is new filed to me. I have to make it. Can someone guide me right to start from. There is many info on google I found. I am asking if someone belong to this area, can guide me in better way. (Embedded)