Cobra AM255 PMR Walkie-Talkie 5km Reichweite, 8 Kanäle vs Retevis RB637

What AM255 PMR Walkie-Talkie 5km Reichweite, 8 Kanäle does better (1) and where RB637 wins (1) — every spec side by side.

1 advantage

Retevis · 2026RB637

5.8Score

1 advantage≈ £35

Higher score

2.7Range & power2.3

Why is AM255 PMR Walkie-Talkie 5km Reichweite, 8 Kanäle better than RB637?

Specifications

Only differences	Cobra AM255 PMR Walkie-Talkie 5km Reichweite, 8 Kanäle	Retevis RB637≈ £355.8
Radio & range
Radio standards	PMR446	PMR446
Licence	Licence-free	Licence-free
Digital mode (DMR / dPMR)	No	No
Frequency ranges	446 MHz	446 MHz
Transmit power	0.5 W	0.5 W
Channels	8	16
Maximum range (claimed)	5 km	2 km
Squelch	automatic	—
Power & battery
Battery capacity	—	2,000 mAh
Battery voltage	—	3.7 V
Power source	Rechargeable pack, AA / AAA batteries	Rechargeable pack
Runs on AA/AAA batteries too	Yes	—
USB-C charging	—	No
Battery level indicator	—	Yes
Design & durability
Shockproof	—	Yes
Colours	Black	Black
Features
VOX (hands-free)	—	Yes
Flashlight	—	Yes
Connectivity
Headset / earpiece jack	—	Yes
Connectors	—	2,5 und 3,5 mm
Radios in the base pack	2	—