Description
UNIDEN UH620-2 MAX - 2 Watt UHF Adventure Radio Twin Pack with Voice Scramble and USB-C Charging
Ultimate 2-radio adventure communication set featuring 2 Watt output power, 13+km communication range, built-in LED spotlights, USB-C charging with included rechargeable batteries for both radios, voice scramble security, voice announcement, large backlit displays, 80 channels, 20+ hour operating time, advanced VOX, duplex repeater capability, and weather-resistant rugged housing for maximum-distance reliable communication in Australia's harshest conditions.
Product Overview
The UNIDEN UH620-2 MAX twin pack delivers ultimate-range adventure communication with two premium 2 Watt UHF radios. Engineered for extreme adventurers who demand maximum reliable ultra-long-range communication in the most remote locations, each radio delivers powerful 13+km range with professional features including voice scramble security, voice announcement, and shared channel quiet filter (DCS/CTCSS). The weather-resistant rugged housing withstands Australia's harsh conditions, while large backlit displays ensure easy readability in all lighting conditions. Complete charging solution includes 6 x AA Ni-MH 1200mAh rechargeable batteries, AC adaptor, and 2 USB-C cables for immediate use.
Important Notes:
Rechargeable Batteries Included: Complete set includes 6 x AA Ni-MH 1200mAh rechargeable batteries (3 per radio), 1 AC adaptor for mains charging, plus 2 USB-C cables for portable charging. Ready to use out of the box.
Twin Pack - Ready to Communicate: Includes 2 complete radios with all accessories for immediate 2-way communication between users. No additional radios needed to start communicating.
Licensed Channels: CH 22 and CH 23 prohibited for voice use (telemetry/telecommand only). CH 61, CH 62, and CH 63 are receive-only channels reserved for future use.
Key Features
Twin Pack Complete Set - Includes 2 radios with complete charging solution (6 x AA Ni-MH 1200mAh batteries, AC adaptor, 2 USB-C cables) and mounting accessories for immediate 2-way communication.
2 Watt Maximum Power - Ultimate 2000mW transmission delivers quadruple the power of standard 500mW radios for extreme 13+km range in the most remote locations.
13+km Extreme Range - Ultimate-range communication exceeds 13 kilometres line-of-sight, providing the absolute longest-range handheld UHF solution available for extreme adventurers.
Voice Scramble Security - Encrypts conversations preventing eavesdropping from other UHF users for private communication during adventures.
Voice Announcement - Automatically speaks channel numbers when changing frequencies, eliminating need to look at display during activities.
Large Backlit Displays - Oversized LCD screens provide exceptional readability in all conditions from bright sunlight to complete darkness.
Built-In LED Spotlights - Integrated LED lights provide hands-free illumination for camping, hiking, emergencies, or nighttime activities.
USB-C Fast Charging - Modern charging ports with 2 included cables enable convenient charging from power banks, vehicle USB, or any USB source.
Complete Battery Solution - Includes 6 x AA Ni-MH 1200mAh rechargeable batteries (3 per radio) and AC adaptor for immediate use.
Weather-Resistant Housing - Durable construction withstands Australia's harsh conditions including heat, dust, moisture, and rough handling.
80 UHF Channels - Full channel coverage provides maximum flexibility and compatibility with other UHF users across Australian frequencies.
20+ Hour Operating Time - Extended battery life delivers over 20 hours per radio based on typical usage for multi-day adventures.
DCS/CTCSS Quiet Filter - Digital and tone squelch filter unwanted traffic on busy channels for private group communication.
Advanced VOX Hands-Free - Voice-activated transmission enables hands-free communication without pressing PTT button.
Range Extender Duplex - Compatible with UHF repeater stations for extended range beyond line-of-sight across valleys and mountains.
Auto Battery Save - Intelligent power management reduces consumption during standby with low battery alert for advance warning.
Group Scan - Scan multiple channels while monitoring priority channel, automatically stopping on active transmissions.
Built-In Headset Jacks - 3.5mm jacks accept compatible audio accessories including earpieces, headsets, or speaker microphones.
10 Call Tones - Selectable tones alert group members to incoming transmissions or signal pre-arranged messages.
Busy Channel Lockout - Prevents accidental transmission on occupied channels to maintain proper radio etiquette.
Keypad Lock - Security lock prevents accidental button presses during transport.
Auto Squelch - Eliminates static noise when no signal present for quiet operation and crystal-clear audio.
Roger Beep - Audible transmission end tone confirms successful message delivery to other group members.
Adventure Design - Rugged durability with textured grip, oversized buttons for gloved operation, and secure mounting options.
Rugged Engineering - Designed in Japan to withstand harsh Australian conditions including extreme heat, dust, and humidity.
What's Included
- 2 x Uniden UH620 Max UHF Radios
- 6 x AA Ni-MH 1200mAh Rechargeable Batteries (3 per radio, pre-installed)
- 1 x AC Mains Adaptor (charges both radios)
- 2 x USB-C Charging Cables
- 2 x Carabiner Clips
- 2 x Belt Clips
- User Manual
Technical Specifications
| Specification |
Details |
| Brand |
UNIDEN |
| Model |
UH620-2 MAX |
| Product Type |
UHF Handheld Radio Twin Pack (Adventure Series) |
| Pack Contents |
2 Radios |
| Frequency Band |
UHF CB (476-477 MHz) |
| Channels |
80 UHF Channels |
| RF Output Power |
2 Watts (2000mW) Per Radio |
| Communication Range |
13+km (Line of Sight) |
| Operating Time |
20+ Hours Per Radio (Typical Use) |
| Charging |
USB-C + AC Adaptor |
| Battery Type |
3 x AA Ni-MH 1200mAh Per Radio |
| Batteries Included |
Yes (6 x AA Total, Rechargeable) |
| Voice Scramble |
Yes (Both Radios) |
| Voice Announcement |
Yes (Both Radios) |
| Display |
Large Backlit LCD (Both Radios) |
| VOX |
Yes (Advanced Hands-Free) |
| Duplex Capability |
Yes (Range Extender/Repeater Compatible) |
| DCS/CTCSS |
Yes (Shared Channel Quiet Filter) |
| Built-In LED Light |
Yes (Both Radios) |
| Group Scan |
Yes (with Priority Channel) |
| Keypad Lock |
Yes |
| Auto Battery Save |
Yes |
| Low Battery Alert |
Yes |
| Auto Squelch |
Yes |
| Roger Beep |
Yes |
| Busy Channel Lockout |
Yes |
| Call Tones |
10 Selectable |
| Headset Jack |
Yes (3.5mm, Both Radios) |
| Housing |
Weather-Resistant Rugged |
| Design |
Adventure Series |
| Design Origin |
Japan |
| Market Compliance |
Australian Standards |
| Restricted Channels |
CH 22, 23 (Telemetry Only), CH 61-63 (Receive Only) |
Frequently Asked Questions
Q: What's the difference between 2 Watt and other UHF radios?
A: The UH620-2 Max delivers 2 Watts (2000mW) output - quadruple the power of standard 500mW radios, double 1W models, and 33% more than 1.5W. This translates to 13+km range versus 10+km for 1.5W, 7+km for 1W, and 3+km for 500mW. This is the absolute maximum power and range available in handheld UHF radios, providing unmatched signal penetration through obstacles and the longest-distance communication for extreme remote exploration.
Q: Is this twin pack ready to use out of the box?
A: Absolutely! The UH620-2 Max includes 2 complete radios with 6 x AA Ni-MH 1200mAh rechargeable batteries (3 per radio, pre-installed), 1 AC adaptor for mains charging, 2 USB-C cables for portable charging, plus mounting accessories. Simply charge the batteries and start communicating immediately with ultimate 13+km range.
Q: Can both radios use voice scramble together?
A: Yes! Both radios feature compatible voice scramble technology. When enabled with matching scramble codes, your communications are encrypted preventing eavesdropping from other UHF users on the same channel for private ultra-long-distance communication.
Q: What's the real-world range with 2 Watt power?
A: The 13+km specification is line-of-sight range in open terrain. Real-world performance: open fields/beaches 10-13km, light forest 5-8km, dense vegetation/urban 3-5km, mountainous valleys variable. The 2W power provides the absolute best performance available in handheld UHF radios, maintaining reliable contact in extreme-distance scenarios where all other radios fail. Duplex repeater access extends range to 50+km depending on repeater location.
Q: Does the extra power drain batteries faster?
A: While 2W transmission uses more power than lower-powered models during actual transmission, the 20+ hour rating reflects typical usage patterns (5% transmitting, 5% receiving, 90% standby). The included higher-capacity 1200mAh batteries (versus 1000mAh in lower models) help offset the increased power consumption. For extreme remote adventures requiring maximum range, the trade-off is worthwhile. Dual USB-C charging provides flexible power management.
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