4
Introduction
UNIDEN UH820SX-NB/UH820SX-2NB
UHF CB Radio
The UH820SX-NB radio is a floating, waterproof, and rugged UHF-CB
transceiver. This hand held UHF-CB radio will give you consistent,
outstanding performance in virtually all conditions and situations. To ensure
that you get the most from the UH820SX-NB’s features, please read this
operating guide carefully before using the unit.
Features
• Narrow Band (NB) 80 Channel
UHF-CB band Radio¹
• TX output power: 0.5W or 2.0W
• Up to 10km+ range²
• Duplex capability
• Floating / Waterproof to JIS7³
• LCD display with large channel
indication
• Backlit LCD (orange) and Glow-in-
the-Dark Keypad
• Built-in precision matched
Antenna
• Rechargeable NiMH battery pack
• Desktop charger
• Battery level indicator
• Low Battery Alert
• Automatic Battery Power Save
• Carabiner Clip
• Op12V/+24V DC Cigarette
lead charger
• Optional External Speaker/
Microphone
• Vibrate mode (on incoming signals)
• High intensity LED for SOS strobe
and Torch
• Channel and Volume select
• Instant Channel Programming
• One Touch Instant Channel Recall
• Channel Memory
• Group Scan with Priority CH Watch
• Open Scan
• OS/GS Scan separately
• Selectable Scan direction
• 5 Level VOX (Voice Activated
Function)
• Selectable 2 position Squelch
• Monitor Mode
• Busy Channel Lock-Out
• 10 different CALL tones
• Roger beep
• Key beep On/Off
• Keypad lock
• Built-in privacy codes: 38 CTCSS
and 104 DCS codes
1
Refer to p.27 - p.29 for channel information.
2
Range varies depending on the environment. 10km+ range is noted in a flat
open environment @2W transmit power.
3
Protected against the effects of temporary immersion in water. The
UH820SX-NB can withstand immersion in water up to 1.0m depth for 30mins.