- 3-proof Design, built for hash environments
- Upgraded display, easy to read
- Fast charging for continuous use
- Long lasting battery for all day use
- Rugged construction for durability
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Double-Certified for Global Reliability

Retevis RT648H PMR446 License Free IP67 Waterproof Business Walkie Talkie
Retevis RT648H PMR446 License-Free walkie talkie is a reliable, IP67 waterproof business radio perfect for construction, logistics, security, and education. With 1.5–2 miles range, dual emergency alerts, VOX hands-free, and all-day battery life, it ensures seamless communication in challenging environments. Easy to use, no training required.
3-proof design: Waterproof, Dustproof, Drop-resistant
Submersible up to 1m for 30 minutes and drop-proof from 1.2m, making it perfect for tough environments like rocky cliffs or slippery boat decks.
Long Battery Life
Over 24 hours of non-stop communication with a 1500mAh battery, Retevis RT648H is perfect for weekend camping trips or all-day hikes. 70 hours standby mode ensures your radio is always ready.
2X Faster Charging
Power up in a flash with a 1.5–2hr Type-C or base charge, keeping your waterproof and shock-resistant two way radio ready for multi-day treks or emergencies.
Upgraded Built-in Display
The RT648H two-way radio keeps you informed and in control with its built-in display, showing critical info like battery life, channel, and power mode—so you can adjust settings on the go, switch channels seamlessly, or conserve battery for longer adventures. Stay connected, stay prepared.
Enhanced Performance: Simpler, Faster, Longer
Experience enhanced performance with an upgraded display and faster charging—just 1.5-2 hours to power up. With over 16 hours of runtime and flexible Type-C/Base charging options, RT648H professional two way radio is designed for longer, more efficient adventures.
Built for Every Adventure
Designed to withstand rainy hikes, muddy expeditions, and accidental drops, IP67 ensures clear communication even on dusty trails. With flawless functionality and lossless communication, stay connected no matter the environment.
RT648H | Specification |
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Frequency Range | PMR446 |
Transmit Power | Low: 0.3-0.8W (4.2V) |
Bandwidth | 12.5kHz |
Channel Count | 16 channels |
Charging Time | <1.5h (5V/2A); <4h (5V/1A) |
Battery Life | PMR (0.5W): ≥24h; Standby: >70h |
Waterproof Rating | IP67 |
Battery | 1500mAh Lithium Battery |
Audio Interface | Motorola Pin, supports audio + programming |
Knob Switch | Power on/off, Volume adjustment |
Channel Knob | Channel adjustment |
Side Key 1 | Short press: Channel scan; Long press 3s: SOS alarm |
Side Key 2 | Short press: Monitor mode; Long press 3s: VOX on & level adjustment |
PTT | Push to talk for communication |
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Display Indicators: Shows CTCSS status, current channel, device ID, signal strength, and battery level.
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Durable & Easy to Use: Supports 16 channel switch and communication with RT648.
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Customizable Side Keys: Includes Monitor, Scan, Keypad Lock, VOX toggle, and level adjustment.
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IP67 Waterproof & Dustproof: Built for harsh environments.
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Fast Charging: Supports 5V/2A quick charge via both body and desktop charger.