![Hugo on Twitter: "@f4goh No luck. The RF module (SA818, replacement of DRA818) seems dead. Nothing on its uart TX port and nothing on its RF output although it is correctly stimulated Hugo on Twitter: "@f4goh No luck. The RF module (SA818, replacement of DRA818) seems dead. Nothing on its uart TX port and nothing on its RF output although it is correctly stimulated](https://pbs.twimg.com/media/EMEv6YEXkAAMKqr.jpg)
Hugo on Twitter: "@f4goh No luck. The RF module (SA818, replacement of DRA818) seems dead. Nothing on its uart TX port and nothing on its RF output although it is correctly stimulated
![Placa de prueba LCD para walkie-talkie SA818 VHF, placa de desarrollo, módulo de prueba, Envío Gratis - Historial de precios y revisión | Vendedor de AliExpress - NiceRF Wireless Technology CO.,LTD Placa de prueba LCD para walkie-talkie SA818 VHF, placa de desarrollo, módulo de prueba, Envío Gratis - Historial de precios y revisión | Vendedor de AliExpress - NiceRF Wireless Technology CO.,LTD](https://alitools.io/es/showcase/image?url=https%3A%2F%2Fae01.alicdn.com%2Fkf%2FHa0ae2bb8fffe4476a65feeec02bdbdc1i.jpg)
Placa de prueba LCD para walkie-talkie SA818 VHF, placa de desarrollo, módulo de prueba, Envío Gratis - Historial de precios y revisión | Vendedor de AliExpress - NiceRF Wireless Technology CO.,LTD
![Módulo de walkie-talkie de nueva generación, módulo de audio SA818S con UHF 400 ~ 480 MHz / VHF 134 ~ 174MHz, chip RDA1846S, 2 uds./lote - AliExpress Módulo de walkie-talkie de nueva generación, módulo de audio SA818S con UHF 400 ~ 480 MHz / VHF 134 ~ 174MHz, chip RDA1846S, 2 uds./lote - AliExpress](https://ae01.alicdn.com/kf/HTB1haHxe9_I8KJjy0Foq6yFnVXau.jpg_640x640Q90.jpg_.webp)
Módulo de walkie-talkie de nueva generación, módulo de audio SA818S con UHF 400 ~ 480 MHz / VHF 134 ~ 174MHz, chip RDA1846S, 2 uds./lote - AliExpress
![COOLTECH ELECTRONIC Walkie Talkie Module SA818 With UHF 400~480 MHz/VHF 134~174MHz Audio Module RDA1846S Chip (2pcs x UHF 400~480 MHz): Amazon.co.uk: Electronics & Photo COOLTECH ELECTRONIC Walkie Talkie Module SA818 With UHF 400~480 MHz/VHF 134~174MHz Audio Module RDA1846S Chip (2pcs x UHF 400~480 MHz): Amazon.co.uk: Electronics & Photo](https://m.media-amazon.com/images/I/510n14ZgZHL._AC_UF1000,1000_QL80_.jpg)
COOLTECH ELECTRONIC Walkie Talkie Module SA818 With UHF 400~480 MHz/VHF 134~174MHz Audio Module RDA1846S Chip (2pcs x UHF 400~480 MHz): Amazon.co.uk: Electronics & Photo
![Wholesale G-NiceRF SA818-3,5-5km 500mW 1W UHF, VHF inalámbrico rf voz transmisor receptor de alta potencia integrado walkie talkie para From m.alibaba.com Wholesale G-NiceRF SA818-3,5-5km 500mW 1W UHF, VHF inalámbrico rf voz transmisor receptor de alta potencia integrado walkie talkie para From m.alibaba.com](https://sc04.alicdn.com/kf/HTB1jXYxfrsTMeJjy1zcq6xAgXXaH.jpg)
Wholesale G-NiceRF SA818-3,5-5km 500mW 1W UHF, VHF inalámbrico rf voz transmisor receptor de alta potencia integrado walkie talkie para From m.alibaba.com
![DWM-SA828 1W 5km range for Pocket /handheld device walkie talkie DWM-SA818 walkie talkie /tytera radios /trunking radio module DWM-SA828 1W 5km range for Pocket /handheld device walkie talkie DWM-SA818 walkie talkie /tytera radios /trunking radio module](https://dwmzone.com/276-home_default/dwm-sa828-walkie-talkie-tytera-radios-trunking-radio-module.jpg)