![Here is a homebrew radio repeater controller. The controller is based on an Atmel 8051 processor. | Ham radio, Radio, Home brewing Here is a homebrew radio repeater controller. The controller is based on an Atmel 8051 processor. | Ham radio, Radio, Home brewing](https://i.pinimg.com/originals/b8/0e/21/b80e21b5c0179da70ffdd5f0bd77514f.jpg)
Here is a homebrew radio repeater controller. The controller is based on an Atmel 8051 processor. | Ham radio, Radio, Home brewing
![SR 112 Simplex Repeater Controller Cross Band Radio Duplex Repeater Box for Mobile & Ham Walkie Talkie Increase Working Range|simplex repeater controller|duplex repeater controllerradio duplexer - AliExpress SR 112 Simplex Repeater Controller Cross Band Radio Duplex Repeater Box for Mobile & Ham Walkie Talkie Increase Working Range|simplex repeater controller|duplex repeater controllerradio duplexer - AliExpress](https://ae01.alicdn.com/kf/S25d32582f4d04016aa71882ee833416bG/SR-112-Simplex-Repeater-Controller-Cross-Band-Radio-Duplex-Repeater-Box-for-Mobile-Ham-Walkie-Talkie.jpg_640x640.jpg)
SR 112 Simplex Repeater Controller Cross Band Radio Duplex Repeater Box for Mobile & Ham Walkie Talkie Increase Working Range|simplex repeater controller|duplex repeater controllerradio duplexer - AliExpress
GitHub - gitrodneyjays/ArduinoMegaRepeaterController: Ham radio repeater controller with 2 link radio capability. See sketch for pinout.
![Walkie Talkie Repeater Controller | Radio Repeater Controller | Radio Accessory - Walkie - Aliexpress Walkie Talkie Repeater Controller | Radio Repeater Controller | Radio Accessory - Walkie - Aliexpress](https://ae03.alicdn.com/kf/Seb6ec40f94d244fab48fecfb682193ccn.jpg)
Walkie Talkie Repeater Controller | Radio Repeater Controller | Radio Accessory - Walkie - Aliexpress
![F1MIJ PASCAL on Twitter: "ARDUINO Simplex HAM Repeater Controller https://t.co/A59jeoB0Ff https://t.co/kT5sQA2RRb" / Twitter F1MIJ PASCAL on Twitter: "ARDUINO Simplex HAM Repeater Controller https://t.co/A59jeoB0Ff https://t.co/kT5sQA2RRb" / Twitter](https://pbs.twimg.com/media/CdDYmkqXIAI3Q9_.jpg)
F1MIJ PASCAL on Twitter: "ARDUINO Simplex HAM Repeater Controller https://t.co/A59jeoB0Ff https://t.co/kT5sQA2RRb" / Twitter
![Radio-Tone Cross Band Repeater Controller - Radioshop888 RT-RoIP1 RT-RoIP2 Repeater Controller Zello Mic Voice Over IP Two way radio Earpiece headset Radio-Tone Cross Band Repeater Controller - Radioshop888 RT-RoIP1 RT-RoIP2 Repeater Controller Zello Mic Voice Over IP Two way radio Earpiece headset](http://pic.radioshop888.com/photo/rt-crc1a.jpg)
Radio-Tone Cross Band Repeater Controller - Radioshop888 RT-RoIP1 RT-RoIP2 Repeater Controller Zello Mic Voice Over IP Two way radio Earpiece headset
![LATNEX RC-S120 Simplex Repeater Controller - DMR Crossband Repeater and Radio Voice Recorder Connects to Virtually Any UHF, VHF Handheld, Base, Two Way, Amateur Ham or Mobile Radio LATNEX RC-S120 Simplex Repeater Controller - DMR Crossband Repeater and Radio Voice Recorder Connects to Virtually Any UHF, VHF Handheld, Base, Two Way, Amateur Ham or Mobile Radio](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71HILJPnb7L._AC_UF894,1000_QL80_.jpg)
LATNEX RC-S120 Simplex Repeater Controller - DMR Crossband Repeater and Radio Voice Recorder Connects to Virtually Any UHF, VHF Handheld, Base, Two Way, Amateur Ham or Mobile Radio
![Surecom Gam3Gear Sr-628 Cross Band Duplex Repeater Controller With 2 X K Plug 46-K Cable For Kenwood Baofeng Puxing Wouxun Quansheng: Amazon.co.uk: Electronics & Photo Surecom Gam3Gear Sr-628 Cross Band Duplex Repeater Controller With 2 X K Plug 46-K Cable For Kenwood Baofeng Puxing Wouxun Quansheng: Amazon.co.uk: Electronics & Photo](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71dzdj+T2zL._AC_SL1500_.jpg)