Retevis RB28 - Features and Basic Operations

Features
• LCD backlight display
• 22 channels
• 121 subtone codes (38 analog, 83 digital)
• Busy lock
• Headphone jack
• 10 optional calling tones
• （VOX）Vox function
• High and low power
• Roger beep
• Companding function
• Battery display
• Scanning function
• Keypad lock
• Voice prompt
• Power saving function
• Low battery alarm
• Keypad tones
• TOT function
Buttons and functions
1
Antenna
LCD display
Power on/off and
scan switch
Earpiece and
programme jack
Type-C charging port
Down/calling tone button
Lock and menu button
Speaker
PTT
Mic
UP/Weather