This article is prompted by a recent necessity to add tone squelch to the local repeaters to combat interference from various sources
CTCSS-Encoder - DARC
An Improved PL Tone Encoder
GitHub - tczerwonka/arduino-ctcss: Arduino CTCSS generator -- my mods using PA3GUO's code
ToneLCD Direct Reading CTCSS Tone Encoder Decoder Radioworld
Low Frequency CTCSS PL Sub-Tone Audio Oscillator
16 Tone DTMF Generator Keypad 1234567890*#ABCD, 1750Hz tone burst, and CTCSS functionality:Amazon.de:Appstore for Android
Multitone CTCSS Encoder with OLED Display
QWAMBVZE CTCSS-Frequenzmesser-Tester, SendeempfäNger, HF-Signalgenerator, Neuer FM-Tester : Amazon.de: Gewerbe, Industrie & Wissenschaft
Prosty i tani generator CTCSS. - elektroda.pl
CTCSS-Encoder (YAESU FTS-12 Ersatz) - ELcon Consulting & Engineering AG
Afug-Info.de - Amateurfunk und mehr...
CTCSS Fast decode with Arduino UNO - YouTube
ctcss decoder encoder, sub audio tone, subtone, 88,5Hz, Tone squelch, ne567 single tone decoder,video squelch sync decoder
TED300 CTCSS encoder/decoder - Hamtronix
SS-64 CTCSS Encoder
Two Simple CTCSS Encoders
CTCSS-Encoder, Mini - hed-radio
CTCSS Encoder - SARCNET
Two Simple CTCSS Encoders
CTCSS ENCODER SUB TONE NEW | eBay
GitHub - dk2jk/ctcss: CTCSS generator for ham-radio VHF/UHF- equipment
Signal Generator 0,5 MHz-470MHz RF Signal Generator Meter Tester für FM Radio Walkie-talkie Debug-Digital CTCSS Singal Ausgang - AliExpress
4/8 tone CTCSS encoder
PIC CTCSS/AFSK Generator
