The DTMFA32 is a newly designed DTMF decoding display from eletechsup. Compared to the older model, it offers better performance and more powerful features. It includes overcurrent and overvoltage protection circuitry, provides superior decoding performance, and can decode 120 codes simultaneously.

Package:

1 PCS DTMFA32 DTMF Voice decoding display module;
1 PCS 50cm Male to Male audio cable (3.5mm jack );


Description:

Operating voltage: DC 5V (4.5-5.5V)
Operating current: turn on the backlight 28MA; turn off the backlight 12MA
Characters that can be displayed : 0123456789#*,ABCD
Display number of characters: maximum 32. More than 32 characters, the screen will move the display (New character overwrites Thirty-second characters, the thirty-second characters covering the Thirty-first characters ....... the second characters covering the first character, the first character disappears).
Power Interface: DC 5.5*2.1mm
Audio Interface: 3.5MM audio cable
Dimensions: 80x36x24MM (length x width x height)
Weight: 46 g




The first character indicates the line number; there are a total of 8 lines: abcdefgh.
Characters 2-15 are DTMF codes, displaying 30 characters at a time, with a maximum of 120 characters (switchable between UP and DOWN keys).
Two AUX audio input ports (either one can be connected).
Use the UP/DOWN buttons to switch pages; there are a total of 8 pages (rows) from a to h.
Clear(BL): Short press to clear screen. Long press to backlight ON/OFF

Note: If used with a walkie-talkie, since many walkie-talkies have poor audio quality, please ensure that the walkie-talkie can transmit clear DTMF encoding; otherwise, it cannot be decoded.