communications equipment; terminal; communications device
telecommunication equipment
radio operator; telegraphist; telegraph operator; radio officer
network disturbance; communication failure; telecommunication malfunction
online shopping service (with delivery by mail); mail order; mail-order sales; shop-by-mail service
correspondence education; correspondence course; distance education
communications partner; entity at the end of a communication
communication satellite; Broadcast Satellite; BS
communication technology; communications technology
infrared data communication
① 光（可視光線・近赤外線）を用いた通信。普通、光源としてレーザーを、伝送路として光ファイバーを用いる。
online communications; personal computer communications (esp. pre-Internet); pre-Internet online service
bidirectional communication
communication speed; baud rate
intercommunication (usu. in telecoms contexts)
postage; communications expenses
telecommunications standard
communications infrastructure
communication path; communication channel
telecommunications carrier; PTT
transmission protocol; communication protocol
communications media; communication facilities; means of communication
government news; state-run news
transmission method; communication system
letters-to-the-editor column; readers' section; space for correspondence, messages, etc.
Korean delegation to Japan (Edo period)
packet transfer communication
privacy of communications
out of the range of communication
mobile communications; cellular communications
communications laboratory
communication fees, charges
telecommunications infrastructure
communication control unit
telephony; telephone communication
communications engineering
InterProcess Communication
synchronous communication
telecommunications enterprise; communications corporation
asynchronous communication
full duplex transmission; full duplex communication
half-duplex transmission; half-duplex communications
end to end communication path
spread spectrum communication
front-end communications processor
Message Handling System; MHS
word processor communication
interpersonal messaging service
interpersonal communication
personal communication service; PCS
Telecommunication Access Method
message control system; MCS
communication description entry
communication control unit
CCP; Communication Control Processor
Communications Decency Act; CDA
isochronous communication
distance education course; correspondence course; online course