Amazon.com: AURSINC SHARI PiHat - Portable SA818 Ham Allstar Radio Interface Compatible with Raspberry Pi 2/3/4 | Raspberry Pi Hosted Allstar Node | UHF Frequency Range 1W 420-450MHz/70cm | Amateur Radio Operator : Electronics
SA818 – RTL-SDR – F1ATB
100pcs SA818 (SA818-U) New generation walkie talkie module with UHF 400 ~ 480 MHz audio module RDA1846S chip - AliExpress