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T2B06:What type of signaling to a repeater uses two simultaneous audio tones?

T2B06T2B

What type of signaling to a repeater uses two simultaneous audio tones?

Direct answer summary (2026-2030 NCVEC pool)

The official correct answer for T2B06 is DTMF.

The key fact is DTMF. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.

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More questions in T2B

T2B01What is the purpose of the reverse function on a VHF/UHF transceiver?T2B02What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?T2B03Which of the following describes a linked repeater network?T2B04Which of the following could be the reason you are unable to access a repeater whose output you can hear?T2B05Which of the following would cause your FM transmission audio to drop out on voice peaks?T2B07How can you join a digital repeater’s “talkgroup”?