Description
UNIDEN UH45 MAX - Ultra-Compact UHF Radio with Kid-Zone Plus and USB-C Charging
Ultra-compact 2-way UHF handheld radio featuring Kid-Zone Plus with voice scramble, built-in LED spotlight, USB-C charging capability, 80 channels, 3+km range, 20+ hour operating time, 500mW RF output power, VOX hands-free operation, D+Booster extreme distance technology, and duplex repeater capability for reliable communication in remote locations without mobile reception.
Product Overview
The UNIDEN UH45 MAX is Uniden's smallest and most advanced ultra-compact UHF radio, engineered for adventurers who need reliable communication in remote locations without mobile reception. This mini-sized powerhouse combines professional features including 80 UHF channels, D+Booster extreme distance technology, and Range Extender duplex capability for connection to repeater stations. The innovative Kid-Zone Plus feature blocks unwanted conversations with voice scramble for safe family communication, while the built-in LED spotlight adds practical functionality for camping and outdoor activities.
Important Notes:
Batteries Not Included: Requires 3 x AAA batteries (rechargeable or alkaline) to operate - batteries sold separately. USB-C charging requires rechargeable AAA batteries, not compatible with alkaline batteries.
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. Transmission inhibited on restricted channels.
Single Unit: Sold individually as one UH45 Max radio in grey. Additional units required for 2-way communication between multiple users. Available in multi-packs and different colours separately.
Key Features
Kid-Zone Plus with Voice Scramble - Advanced filtering blocks unwanted conversations from strangers, allowing kids to safely communicate with family and friends only. Voice scramble feature adds privacy layer preventing eavesdropping for secure family communications.
Built-In LED Spotlight - Integrated LED light provides hands-free illumination for camping, hiking, emergencies, or nighttime activities, eliminating need to carry separate torch while maintaining communication capability.
USB-C Fast Charging - Modern USB-C charging port provides convenient, faster charging with widely available cables and power sources. Compatible with rechargeable AAA batteries for eco-friendly, cost-effective operation (rechargeable batteries sold separately).
80 UHF Channels - Full 80-channel UHF CB band coverage provides maximum flexibility for communication, channel selection to avoid interference, and compatibility with other UHF users across Australian frequencies.
3+km Communication Range - Typical line-of-sight range exceeds 3 kilometres in open terrain, providing reliable communication for outdoor adventures, bush walks, camping groups, and remote property use where mobile coverage is unavailable.
20+ Hour Operating Time - Extended battery life delivers over 20 hours continuous operation based on typical usage (5% transmitting, 5% receiving, 90% standby) with alkaline batteries, ensuring all-day adventures without battery anxiety.
D+Booster Technology - Extreme Distance Booster technology enhances transmission range and reception sensitivity beyond standard UHF performance, maximizing communication distance in challenging terrain and dense vegetation.
Range Extender Duplex Capability - Compatible with UHF repeater stations for dramatically extended communication range beyond line-of-sight limitations, enabling coverage across valleys, mountains, and vast distances depending on repeater location.
VOX Hands-Free Operation - Voice-activated transmission (VOX) enables hands-free communication without pressing PTT button, perfect for activities requiring both hands like climbing, cycling, driving, or carrying equipment.
Ultra-Compact Mini Size - Smallest radio in Uniden's lineup provides pocket-sized portability without sacrificing performance, making it ideal for kids, hiking, biking, shopping, or any activity where compact size and light weight are priorities.
500mW RF Output Power - Full legal 500 milliwatt transmit power maximizes range and signal penetration through obstacles, ensuring clear communication in challenging environments including forests, buildings, and urban areas.
Interference Eliminator (CTCSS) - 38 CTCSS sub-channels filter out unwanted traffic on busy channels, allowing multiple groups to share same frequency without interference by only receiving transmissions from your group's coded signals.
Auto Battery Save - Intelligent power management automatically reduces power consumption during standby periods, extending battery life significantly during extended trips without compromising instant transmission readiness when needed.
Channel Scan Function - Automatically scans all 80 channels to detect active conversations, allowing you to find other users, monitor emergency channels, or locate clear channels for your group's communication.
Rechargeable or Alkaline Compatible - Flexible power options accept either 3 x AAA rechargeable batteries for USB-C charging or standard alkaline batteries for convenience, providing versatility for different usage scenarios and user preferences.
Rugged Australian Design - Designed and engineered in Japan, built specifically to withstand harsh Australian conditions including heat, dust, moisture, and rough handling for reliable outdoor adventure performance.
What's Included
- 1 x Uniden UH45 Max UHF Radio (Grey)
- 1 x USB-C Charging Cable
- 1 x Belt Clip
- 1 x Lanyard
- User Manual
Not Included: 3 x AAA batteries (rechargeable or alkaline) sold separately
Technical Specifications
| Specification |
Details |
| Brand |
UNIDEN |
| Model |
UH45 MAX |
| Product Type |
UHF Handheld Radio (Walkie Talkie) |
| Frequency Band |
UHF CB (476-477 MHz) |
| Channels |
80 UHF Channels |
| RF Output Power |
500mW |
| Communication Range |
3+km (Line of Sight) |
| Operating Time |
20+ Hours (Typical Use) |
| Charging |
USB-C (Requires Rechargeable Batteries) |
| Battery Type |
3 x AAA (Rechargeable or Alkaline) |
| Batteries Included |
No (Sold Separately) |
| VOX |
Yes (Hands-Free) |
| D+Booster |
Yes (Extreme Distance Technology) |
| Duplex Capability |
Yes (Range Extender/Repeater Compatible) |
| CTCSS Sub-Channels |
38 (Interference Eliminator) |
| Kid-Zone Plus |
Yes (with Voice Scramble) |
| Built-In LED Light |
Yes |
| Channel Scan |
Yes |
| Auto Battery Save |
Yes |
| Auto Squelch |
Yes |
| Monitor Function |
Yes |
| Roger Beep |
Yes |
| Call Tone |
Yes |
| Battery Level Indicator |
Yes |
| Colour |
Grey |
| Size |
Ultra-Compact Mini |
| Design Origin |
Japan |
| Market Compliance |
Australian Standards |
| Restricted Channels |
CH 22, 23 (Telemetry Only), CH 61-63 (Receive Only) |
Frequently Asked Questions
Q: Do I need a license to use this UHF radio in Australia?
A: No license required! UHF CB radios operate on the 476-477 MHz Citizens Band frequency, which is license-free in Australia for personal use. Simply purchase, insert batteries, and start communicating within legal power limits (500mW maximum).
Q: Will this work with other brands of UHF radios?
A: Yes! The UH45 Max operates on standard UHF CB frequencies and is fully compatible with all other UHF radios from any manufacturer. You can communicate with Uniden, GME, Oricom, or any UHF CB radio using the same channel and CTCSS codes.
Q: What's the actual range I can expect?
A: Range depends heavily on terrain and obstacles. The specified 3+km is typical line-of-sight range in open areas. In dense forest or urban environments, expect 500m-1.5km. For maximum range, use D+Booster feature and maintain line-of-sight positioning. Duplex repeater capability can extend range to 30+ km depending on repeater location.
Q: Can I use regular batteries or do I need rechargeable ones?
A: Both! The UH45 Max accepts 3 x AAA alkaline batteries (standard non-rechargeable) for convenience, or 3 x AAA rechargeable batteries for USB-C charging capability. USB-C charging ONLY works with rechargeable batteries - attempting to charge alkaline batteries is dangerous. Batteries not included with radio.
Q: How does Kid-Zone Plus work and is it really safe for kids?
A: Kid-Zone Plus uses CTCSS sub-channel coding to filter transmissions, ensuring your radio only receives signals from other radios programmed with the same privacy code. Combined with Voice Scramble, it prevents strangers from communicating with your children and blocks inappropriate conversations from other UHF users. While highly effective, parental supervision still recommended for young children.
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