Retevis RT81 DMR walkie talkies are high-power IP67 waterproof two-way radios sold as a 4-pack. Digital and analog modes with group, single and all call cover mixed fleets and shift work.
Each radio carries 32 channels preset with CTCSS/DCS, a high-gain antenna for penetration and a 2200mAh lithium battery rated over 12 hours on high power, with up to 40% longer life in digital mode. The IP67 body survives immersion to 1 metre for 30 minutes, rain, snow, dust and drops. Package holds 4x RT81 radios, 4x 2200mAh Li-ion batteries and English manuals; channels are set for Retevis-to-Retevis talk, with firmware available for other brands.
RT81 highlights
DMR plus analog
Keeps existing analog fleets talking while adding digital clarity.
IP67 sealed body
Resists dust and 1-metre immersion for 30 minutes.
Group / single / all call
Reaches teams or individuals across 2 time slots.
2200mAh shift power
Runs over 12 hours on high, longer in digital mode.
32 preset channels
Arrives ready to use with CTCSS/DCS coded channels.
4-pack crew kit
Equips four users with radios, batteries and manuals.
RT81 specifications
Calls: group call, single call, all call; 2 time slots
Modes: DMR digital, analog
Runtime: more than 12 hours on high power
Channels: 32
Pack size: 4 pack
Signalling: CTCSS, DCS
Battery capacity: 2200mAh Li-ion
Package contents: 4x radio, 4x 2200mAh battery, 4x English user manual
