Has anybody here expirimented with the new rfPIC's like the rf12F675 and what are your findings. I'd like to use them in a telemetry application in which the pic part should determine if the condictions are right to transmit data. I'm building a datalogger for use in my model submarine and the frequency of most telemetry transmitters (433mhz) means that penetration in water is at best a few cm. By connecting a watersensor to one of the ports I can detect that the sub is above water, esteblish a connection with the base station and put the datalogger in transmit mode.