Description
DIN-Mount 477MHz UHF CB Radio DSP, 95 User-Programmable Receive Channels, Front-Facing Speaker, Advanced Signal Management
Product Overview
The GME TX4500 is the DIN-sized companion to the TX3500 a full-featured 477MHz UHF CB radio specifically designed for in-dash DIN slot installation. The DIN mounting kit is supplied, and the compact depth allows installation in confined dash spaces. A front-facing speaker is built into the front panel, combining clear audio delivery with a clean installation without an external speaker in most cases.
Advanced Signal Management (ASM) and Digital Signal Processing deliver superior received audio performance. Dynamic Volume Control adjusts output automatically for ambient noise. A large high-contrast wide-angle LCD display is clearly readable from any viewing angle; rotary squelch, channel, and volume controls provide direct, intuitive operation.
The TX4500 includes 95 user-programmable extra receive channels — the most in the GME UHF CB range for extended receive monitoring beyond the UHF CB band.
Important: No gimbal mount brackets are supplied. This radio is designed for DIN mounting only.
Features & Benefits
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DIN-mounted, kit supplied — installs directly into a standard DIN dashboard slot; compact depth for confined installation spaces
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Front-facing speaker — audio directed toward the operator from the front panel; no separate speaker needed in most installations
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Large high-contrast wide-angle LCD — clearly readable from any angle with user-adjustable full spectrum backlighting
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Advanced Signal Management (ASM) — suppresses interference for clearer audio in busy RF environments
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Digital Signal Processing (DSP) — superior audio performance over analogue technology
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Dynamic Volume Control — automatically adjusts speaker volume for ambient noise levels
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Digital signal strength meter — precise signal quality indication
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Rotary squelch, channel, and volume controls — direct rotary control for three core functions
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95 user-programmable extra receive channels — the broadest extra receive capability in the GME UHF CB range
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5-digit Selcall with quiet mode — selective calling with silent operation until called
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Memory channel quick select — fast access to stored channels
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CTCSS and DCS — privacy filtering on shared channels
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Voice inversion scrambler — basic call privacy
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Duplex channels — for UHF CB repeater operation
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Open and group scan — scan all or user-defined channel groups
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Rear mic option — microphone can be connected at the rear of the unit
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DIN mount only — no gimbal bracket included or available
Technical Specs
| Specification |
Detail |
| Brand |
GME |
| Part number |
TX4500 |
| Product type |
UHF CB mobile radio (DIN-mount) |
| Frequency |
477MHz |
| Form factor |
DIN-sized (mounting kit included) |
| Speaker |
Front-facing |
| Display |
Large high-contrast wide-angle LCD, full spectrum backlit |
| Controls |
Rotary squelch, channel, volume |
| DSP |
Yes |
| ASM |
Advanced Signal Management |
| Dynamic Volume Control |
Yes |
| Signal meter |
Digital signal strength meter |
| CTCSS |
Yes |
| DCS |
Yes |
| Selcall |
5-digit with quiet mode |
| Voice inversion |
Yes |
| Duplex |
Yes |
| Extra receive channels |
95 user-programmable |
| Scanning |
Open and group scan |
| Rear mic |
Option available |
| Memory channels |
Quick select |
| Mounting |
DIN only — no gimbal bracket supplied |
| Weight |
Not specified |
Compatible With / Goes Well With
- Standard single-DIN in-dash slots
- GME UHF CB antennas
- GME TX3500 (non-DIN companion in the same series)
- UHF CB repeater networks (duplex operation)
Weight
Not specified
Frequently Asked Questions
Why does the TX4500 have a front-facing speaker when most mobile radios don't?
Most mobile UHF CB radios use a speaker microphone or external extension speaker for audio output — the radio body itself either has no speaker or one facing downward or rearward. The TX4500's front-facing speaker integrates audio output into the front panel, directing sound toward the operator for clear monitoring without a separately mounted speaker. This simplifies installation and is well-suited to DIN-slot installations where speaker placement options may be limited.
What does 95 user-programmable receive channels allow?
95 receive-only channels is the most extra-receive capacity in the GME UHF CB range. The user can program these channels to specific frequencies for receive-only monitoring of other services beyond the UHF CB band — the frequency range for these channels is not specified in the available data; confirm with GME. All programming is user-performed from the radio — no dealer or computer required.
Why is there no gimbal mount bracket and what does this mean for installation?
The TX4500 is purpose-designed for DIN slot installation only. A gimbal bracket mounts a radio to a surface (dash top, console, under-dash) at a user-adjustable angle. The TX4500 does not include or support this mounting method — it must be installed into a standard DIN slot in the dashboard or console. If surface or under-dash mounting is required, the TX3500 (non-DIN compact companion) is the appropriate alternative.
How does the TX4500 compare to the TX3500?
The TX3500 and TX4500 are companion products in the same radio series. The TX3500 is the compact version for slide-in cradle or surface mounting with a 3-rotary control panel. The TX4500 is the DIN-sized version with a front-facing speaker for in-dash installation. The TX4500 also provides 95 user-programmable receive channels compared to the TX3500's 19 dealer-programmed channels. Both provide equivalent communication performance across the UHF CB band.
Does the TX4500 require a separate speaker microphone?
The TX4500's front-facing speaker handles audio output directly. A microphone is still required for transmitting — either connected at the front or rear mic socket. Confirm with GME which speaker microphone models are compatible with the TX4500.
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