Absolute Radio Frequency Channel
Absolute Radio Frequency Channel Number ARFCN
acknowledged mode radio link control
active radio frequency identification
active radio frequency Identification technology
Active radio frequency system
Ad hoc cognitive radio networks
additional radio regulation
aerial for radio telephone
Aeronautical Radio
航空无线电
航空无线电设备
航空无线电通信
航海无线电
肝细胞癌
air-ground control radio station
American Radio Telegraphists
Analysis of the radio knife
artificial radio aurora