Radio frequency automatic identification system
Radio frequency tag system
Radio tag for LFM radar
Railway anticollision apparatus and method
Read/write transponder arrangement and method of communication
Remote identification device
Reply rate limiting
Reply-frequency interference/jamming detector
Rescue transmitter apparatus
Responder in movable-object identification system
Responder unit for transponder arrangement
Retrodirective interrogation responsive system
RF identification transponder
RF/ID transponder system employing multiple transponders and a s
Roadway antennae
Search and rescue radar transponder
Search and rescue transponder housing
Secure I/P
Self-tuning receiver/decoder for frequency shift keying RF data
Semiautomatic jam-accept (SAJAC) decider for mode-4 of the IFF m