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VISIT BAOFENGTECH.COM AND MIKLOR.COM FOR DOWNLOADS AND HELP
UV-2501 / UV-5001
DTMF signal
This radio has DTMF coding/decode function. Use PC software to input code information DTMF
signal setting receive DTMF signal first. After receiving the same code as your setting, radio will
show the code by display and ring. Then can speak during effective time. (ID code setting by PC
software)
DTMF
In two-way radio systems, DTMF is most commonly used for automation systems and remote
control. A common example would be in amateur radio repeaters where some repeaters are
activated by sending out a DTMF sequence (usually a simple single-digit sequence).
Table 7.1. DTMF frequencies and corresponding codes
1209 Hz
1336 Hz
1477 Hz
1633 Hz
697 Hz
1
2
3
A -
770 Hz
4
5
6
B -
852 Hz
7
8
9
C -
941 Hz
*
0
#
D -
The BTECH UV-2501 / UV-5001 have a full implementation of DTMF, including the A, B, C and D
Содержание UV-2501
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