WA-7 (transceiver)
WAllied Command Europe Highband
WArmy No. 108 Wireless Set
WArmy No. 208 Wireless Set
WCFS Carp Almonte Detachment
WCFS Carp Dunrobin Detachment
WCFS Carp Richardson Detachment
WCommunications security
WFrequency-hopping spread spectrum
WHammarlund Super Pro
WHAVE QUICK
WHWU transmitter
WJoint Tactical Information Distribution System
WLetter beacon
WLualualei VLF transmitter
WMilitary radio antenna kites
WNAA (Arlington, Virginia)
WNaval Communication Station Harold E. Holt
WParaset
WPersonal Role Radio
WPRC-999K
WR-105D
WR-123
WR-158
WR-311 (radio)
WR-350M
WRadioteletype
WS-Phone
WVileyka VLF transmitter
WVLF transmitter DHO38
WZEVS (transmitter)