
Engineered for harsh UK terrain and sudden power cuts, ComuMax provides crystal-clear 3-mile communication when mobile networks fail. Featuring rugged waterproofing, built-in emergency alerts, and dual USB-C or AAA power for total peace of mind.




Advanced frequency technology effortlessly cuts through heavy woodland, valleys, and thick structures, ensuring your group stays in touch across 3 miles of open terrain without dropouts.
Actively scans multiple critical weather channels to deliver real-time storm warnings, giving you essential preparation time to find shelter before severe UK weather strikes your location.


Fast-charge via modern USB-C before setting off, or pop in standard AAA batteries when off-grid. You will never be left stranded without critical two-way communication.



During unexpected blackouts or remote hiking trips where mobile signal disappears, ComuMax provides vital, instant two-way contact. Its rugged build and dual power design make it an essential safety device.
David Harrison, Research Specialist


Maintain crystal-clear voice communication across open moors, dense woods, and hilly landscapes where smartphones instantly lose reception.

Reinforced exterior seals out torrential rain, puddles, grit, and accidental drops, ensuring dependable performance in tough conditions.

Recharge rapidly with USB-C or swap in standard AAA batteries immediately when grid power is completely unavailable.


Features a built-in high-lumen emergency flashlight to navigate dark pathways, power cuts, or signal for urgent assistance.

Communicate seamlessly without pressing buttons while climbing, cycling, carrying heavy gear, or managing emergency tasks.

Quickly locates open channels and locks securely with keypad protection to prevent accidental frequency changes mid-trip.









Our UK-based customer care team is always here to assist you with setup, technical questions, and our comprehensive 30-day money-back guarantee.
Everything about ComuMax






Tested these across the Lake District where phone signal was zero. Crystal-clear reception between our hiking groups even across wet, rocky valleys. Superb quality!

Bought for emergency home blackout prep. The dual USB-C and AAA power option is brilliant, and the built-in torch is very powerful. Highly recommended kit.

Survived torrential rain and muddy walks without a single issue. Audio is loud and crisp, and setup took under two minutes. Essential gear for outdoor trips.
