- 电话机 diànhuàjī telephonetelephone set; a device used to transmit and receive sound over distance; often abbreviated as [[话机|話機|hua4 ji1]]
- 步话机 bùhuàjī walkie-talkieA small portable wireless transceiver used for short-distance communication while moving.
- 受话机 shòuhuàjī telephone receiverThe part of a telephone or headset that converts electrical signals back into sound; also called a [[受话器|受話器|shou4 hua4 qi4]]
- 报话机 bàohuàjī walkie-talkieportable two-way radio used for voice communication or sending telegrams; transceiver