Retevis RT3S DMR Radio, Dual Band Ham Radio with Cable, GPS APRS, Support OpenGD77, 3000 Channels, 120K Contacts, 2000mAh Rechargeable, Long Range Handheld Walkie Talkies for Emergency, Survival

Amazon.com: Retevis RT97S GMRS Repeater, RT97 Upgraded Version, Radio Repeater, Full Duplex Long Range, Compatible with Raspberry Pi, Portable, LCD Screen,for School(1 Pack) : Electronics

Retevis RT97 GMRS Repeater Kit, Long Range Full Duplex Mobile Repeater(1 Pack) and NR30 GMRS Radios(2 Pack), for Outdoor Countryside Mountain

How to Do a Factory Reset on Retevis RT95

Retevis RT97 UPDATE: Real World Range Test - How Far Can The RT97 Repeater Transmit In The Desert?