Description
UNIDEN UH45-4 MAX - Ultra-Compact UHF Radio Quad Pack with Kid-Zone Plus and USB-C Charging
Complete 4-radio family communication set featuring ultra-compact UHF handhelds in Blue, Pink, Yellow, and Lime with Kid-Zone Plus voice scramble, built-in LED spotlights, 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 family communication in remote locations.
Product Overview
The UNIDEN UH45-4 MAX quad pack provides complete out-of-the-box family communication with four ultra-compact UHF radios in vibrant Blue, Pink, Yellow, and Lime colours. This ready-to-use set is perfect for families with multiple kids who need reliable communication in remote locations without mobile reception. Each radio combines professional features including 80 UHF channels, D+Booster extreme distance technology, and Range Extender duplex capability. The innovative Kid-Zone Plus feature blocks unwanted conversations with voice scramble for safe family communication, while the colour-coded radios make it easy to identify which family member has which unit.
Important Notes:
Batteries Not Included: Each radio requires 3 x AAA batteries (rechargeable or alkaline) - total 12 x AAA batteries needed for all four radios. Batteries sold separately. USB-C charging requires rechargeable AAA batteries only.
Quad Pack - Complete Family Set: Includes 4 complete radios in different colours (Blue, Pink, Yellow, Lime) with all accessories for immediate multi-way communication between family members.
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
Quad Pack Family Set - Includes 4 ultra-compact UHF radios in vibrant Blue, Pink, Yellow, and Lime colours with all accessories (4 USB-C cables, 4 belt clips, 4 lanyards) for immediate multi-way family communication with easy colour identification.
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 - Each radio features integrated LED light providing 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 ports on all four radios provide convenient, faster charging with widely available cables and power sources. Compatible with rechargeable AAA batteries for eco-friendly 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 per radio 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.
Colour-Coded Identification - Vibrant Blue, Pink, Yellow, and Lime colours allow easy identification of which family member has which radio, reducing confusion during group activities and making it simple for kids to recognize their own unit.
What's Included
- 4 x Uniden UH45 Max UHF Radios (1 Blue, 1 Pink, 1 Yellow, 1 Lime)
- 4 x USB-C Charging Cables
- 4 x Belt Clips
- 4 x Lanyards
- User Manual
Not Included: 12 x AAA batteries total (3 per radio, rechargeable or alkaline) sold separately
Technical Specifications
| Specification |
Details |
| Brand |
UNIDEN |
| Model |
UH45-4 MAX |
| Product Type |
UHF Handheld Radio Quad Pack |
| Pack Contents |
4 Radios |
| Colours |
Blue, Pink, Yellow, Lime |
| 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 Per Radio (Typical Use) |
| Charging |
USB-C (Requires Rechargeable Batteries) |
| Battery Type |
3 x AAA Per Radio (Rechargeable or Alkaline) |
| Batteries Included |
No (12 x AAA Total Required, 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 (All 4 Radios) |
| Channel Scan |
Yes |
| Auto Battery Save |
Yes |
| Auto Squelch |
Yes |
| Monitor Function |
Yes |
| Roger Beep |
Yes |
| Call Tone |
Yes |
| Battery Level Indicator |
Yes |
| 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: Is this quad pack ready to use out of the box for a family of four?
A: Almost! The UH45-4 Max includes 4 complete radios with all accessories (USB-C cables, belt clips, lanyards) in different colours (Blue, Pink, Yellow, Lime) for immediate multi-way family communication. You only need to purchase 12 x AAA batteries total (3 per radio) - either rechargeable or alkaline. Insert batteries, turn on all radios to the same channel, and everyone can communicate simultaneously.
Q: Can all four radios talk to each other at the same time?
A: Yes! All four radios can communicate with each other when set to the same channel and CTCSS code. UHF radios work like walkie-talkies - when one person transmits, the other three can hear. All four family members can stay connected on group adventures, though only one person can transmit at a time (standard for all walkie-talkies).
Q: Is this pack better value than buying radios individually?
A: Absolutely! The UH45-4 Max quad pack provides better value than purchasing four individual UH45 Max radios. You get four colour-coded units in one package with complete accessories for each radio, making it the most cost-effective option for families needing four-way communication.
Q: What's the best channel setup for a family of four?
A: Set all four radios to the same UHF channel (choose one not busy with other users, typically channels 10-20 or 30-40) and select the same CTCSS privacy code (1-38). This creates your private family "channel" where all four radios communicate with each other while blocking transmissions from strangers on the same frequency.
Q: Can we add more radios if we have friends joining our camping trip?
A: Yes! All Uniden UH45 series radios can communicate with your UH45-4 Max set when programmed to the same channel and CTCSS code. Friends can bring their own UHF radios (any brand) or you can purchase additional UH45 Max singles to expand your communication network to as many users as needed.
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