Comparison Chart

Global leader in two way communication
Model
RT28 H-777 RT21
RT22
Channels
16 16 16
16
Frequency range
FRS FRS FRS
FRS
Charging method
Dual line charger cable USB charger base Wall charging base
Mini-USB charger cable
Battery capacity 1000mAh 1000mAh
1100mAh/3000mAh
1000mAh
Flashlight
NO
YES
NO
NO
Communication with RT28
YES YES YES
YES
VOX
YES YES
YES
YES
Alarm function
YES YES YES
YES
How to fix the back clip
Plug-in
Screw
Screw
Oversized embracing
Headphone/Mic jack
Kenwood 2 pin Kenwood 2 pin Kenwood 2 pin
Kenwood 2 pin
Comparative advantage
Cost-effective LED flashlight Large battery capacity
Small size
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