DTMF Decoder Board 120 Codes 3.5mm AUX DC 5V Intercom DTMFA32

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.