Attached please kindly check the User Manuals for Lite Radio 2 SE.
1. The Frsky and Bayang versions are the old versions. Please refer to Lite Radio 2 SE-User Manual-Old
New released ELRS version and Frsky V2 board support BETAFPV Configurator which is a utility designed to simply update, configure and tune the radio controller. Please refer to Lite Radio 2 SE-User Manual-New
2. There is a ticket showing"BETAFPV Configurator Supported" in ELRS and some Frsky V2 version battery bay for you to distinguish the different versions. Check it once you receive the transmitter.
3. Russian version for ELRS version is updated for all customers.