These are some of the Radio’s that we’ve been using:

SenseCAP Card Tracker T1000-E https://www.seeedstudio.com/SenseCAP-Card-Tracker-T1000-E-for-Meshtastic-p-5913.html

LILYGO® TTGO T-Echo https://store.rokland.com/collections/t-echo/products/lilygo-ttgo-meshtastic-t-echo-white-bme280-lora-sx1262-wireless-module-915mhz-nrf52840-gps-rtc-nfc-for-arduino

SenseCAP Solar Node P1-Pro https://www.seeedstudio.com/SenseCAP-Solar-Node-P1-Pro-for-Meshcore-p-6741.html