![100pcs Arduino Uno NiceRF All in one Walkie Talkie Module SA828-U in 400-480MHz UHF Voice or Intercom and Smartphone Use Module 100pcs Arduino Uno NiceRF All in one Walkie Talkie Module SA828-U in 400-480MHz UHF Voice or Intercom and Smartphone Use Module](https://ae01.alicdn.com/kf/Sfef30f0cb95b42dda9291b8b0767c119G/100pcs-Arduino-Uno-NiceRF-All-in-one-Walkie-Talkie-Module-SA828-U-in-400-480MHz-UHF.jpg)
100pcs Arduino Uno NiceRF All in one Walkie Talkie Module SA828-U in 400-480MHz UHF Voice or Intercom and Smartphone Use Module
![Hello. I made a walkie-talkie based on a WebSocket. I think it'll help to implement half-duplex communication in ESP32. : r/arduino Hello. I made a walkie-talkie based on a WebSocket. I think it'll help to implement half-duplex communication in ESP32. : r/arduino](https://external-preview.redd.it/JX-4b5pEmnyBOAMYbz7NrRVX1UvfErF2FRxbUWCiO2c.png?width=640&crop=smart&format=pjpg&auto=webp&s=149bdb77ded37943d1e3399cb3e504ec2151863c)
Hello. I made a walkie-talkie based on a WebSocket. I think it'll help to implement half-duplex communication in ESP32. : r/arduino
![50 Pcs Arduino Uno Nicerf Walkie Talkie Module Sa828-u In 400-480mhz Walkie Talkie Module Uhf With Antenna 134-174mhz Vhf - Replacement Parts - AliExpress 50 Pcs Arduino Uno Nicerf Walkie Talkie Module Sa828-u In 400-480mhz Walkie Talkie Module Uhf With Antenna 134-174mhz Vhf - Replacement Parts - AliExpress](https://ae01.alicdn.com/kf/HTB1BRXpKpXXXXXbXpXXq6xXFXXX4/50-PCS-Arduino-Uno-NiceRF-walkie-talkie-module-SA828-U-in-400-480MHz-Walkie-Talkie-Module.jpg)