telephone amplifier वाक्य
"telephone amplifier" हिंदी में telephone amplifier in a sentenceउदाहरण वाक्य
- Telephone amplifiers are powered by batteries or AC adaptors.
- RCA staked a position in wireless communication; AT & T pursued the use of tubes in telephone amplifiers.
- Most models of telephone amplifiers offer volume control for loudspeaker as well as microphone, mute function and switching between headset and handset.