LoRa Transmitter and Receiver using Arduino - Hackster.io
SOCORAD32 ESP32 walkie-talkie board also supports data communication (Crowdfunding) - CNX Software
Lora Walkie Talkie
Iron Man Walkie-Talkie (Two-Way Radio) for Texting w/ LoRa - Share Project - PCBWay
Walkie Talkie Duino from Senior Electron LLC on Tindie
Amazon.com: Gowoops SX1276 LoRa Radio Wireless 862-930MHz 915MHz UART Serial Module LoRaWAN Transmitter Receiver + 915Mhz 3dBi SMA Antenna, Compatible with Arduino STM32 51 Single Chip Microcomputer : Electronics
Amazon.com: SX1262 LoRa HAT for Raspberry Pi 915MHz Frequency Band Data Transmission up to 5km Support Auto Repeating to Transmit Longer Wake on Radio Wireless Config Carrier Sensing Communication Key : Electronics
Sending Sensor Data over LoRa - SparkFun Learn
Iron Man Walkie-Talkie (Two-Way Radio) for Texting w/ LoRa - Hackster.io
Long-Distance Text Communication With LoRa | Hackaday
Arduino LoRa Network Part I: Radio Basics and Range Tests — Maker Portal
Long Range Arduino Based Walkie Talkie using nRF24L01