High-gain 5W power.
Total backcountry clarity.
GriRadion delivers 10x the transmission power of standard consumer radios, punching through heavy bush, mountain ridges, and open water effortlessly.
Before GriRadion
- Static and dropped signals behind hills
- Dead batteries after just 3-4 hours
- Cracked casing from rough drops or rain
- Limited to crowded basic consumer bands
After GriRadion
- Crystal-clear 3km range through dense bush
- 12+ hours runtime with fast USB-C charging
- Water and shock-resistant rugged body
- Dual-band UHF/VHF with 200 programmable channels
5W High Output
10x stronger signal penetration
Tough & Weatherproof
Built for rugged Aussie conditions
12-Hour Battery
2500mAh USB-C recharge
3km Proven Range
Over hills, scrub & water
Industrial Comms Power.
Every Outback Mission.
5W High-Gain
Transmission Circuitry
Industrial-grade transmission delivers consistent 5W output that penetrates dense foliage, rocky terrain, and open water far beyond standard consumer walkies. Keep in touch across 3 kilometres of extreme terrain without static.
- 10x more power than 0.5W standard walkies
- Maintains audio clarity across 3km obstacles
- High-gain tuned antenna for maximum reach
Dual-Band UHF/VHF &
Aviation Reception
Covers UHF (400–470 MHz), VHF (136–174 MHz), and aviation frequencies for complete flexibility in marine, 4WD convoys, and remote worksite communications.
Rugged Shock &
Water-Resistant Build
Engineered for punishment. Impact-resistant casing survives drops onto jagged rock, rain squalls, high humidity, and marine spray across demanding field operations.
2500mAh Core &
USB-C Field Charging
Up to 12 hours of continuous talk time per charge. Charge easily in your 4WD, off solar panels, or from any standard portable power bank via fast USB-C.
- 12 hours continuous duty cycle
- Universal USB-C fast charging
- Bright backlit channel & battery display
Instant Comms in 3 Simple Steps
No complicated programming needed. Turn on, set your channel, and enjoy reliable comms right away.
Power On & Select Band
Turn the rugged top dial and pick your channel or frequency on the clear backlit display.
Push to Talk (PTT)
Press the responsive, tactile side PTT switch for instant high-gain 5W transmission across your convoy.
Stay Connected All Day
Enjoy clear voice contact over 3km of bush, mountain tracks, or open coastal water for 12+ hours.
Meet GriRadion 5W Radio
GriRadion Long Range Marine & Outback Radio
Professional Dual-Band UHF/VHF 5W Radio
- High-Power 5W Transmission
- Dual-Band UHF/VHF/Aviation
- 2500mAh USB Rechargeable
- Shock & Water Resistant Build
Why GriRadion Wins
See how GriRadion outperforms standard toy walkies, phones, and expensive commercial radios.
Tested Across The Australian Outback
Based on 1,420+ verified Australian reviews
"Took a pair out to the Victorian High Country on a 4WD trip. Even through deep gullies and thick gum trees, transmission stayed crystal clear across 3km. The USB-C charging off my 12V setup is bloody brilliant."
"We use these on our tinny off Moreton Bay. The water-resistant build takes salt spray and rain without missing a beat, and the battery easily lasts a full 12-hour fishing trip. Outstanding radio."
"Standard walkies kept dropping out across our station in the Kimberley. The 5W high-gain output on this GriRadion unit cuts right through red dirt ridges. Absolute lifesaver for outdoor comms."
100% Risk-Free Field Test
Take GriRadion on your next camping, 4WD, boating, or hiking trip for 30 days. If it doesn't give you rock-solid comms, simply get in touch with our team for a full refund.
Got Questions?
Everything you need to know about the GriRadion 5W radio
Never Lose Signal in the Bush Again
Join 25,000+ Australian 4WDers, boaties, campers, and worksite crews who rely on GriRadion 5W radios.
Get 50% Off Today