Phonemax R4 GT front and rear view in black
Phonemax R4 GT front and rear view with orange trim
Phonemax R4 GT front and rear view with green trim
Phonemax R4 GT thermal imaging and rear display model comparison
Phonemax R4 GT compact thermal imaging rugged phone hero
Phonemax R4 GT key specifications including IP69K protection
Phonemax R4 GT compact thermal imaging in hand
Phonemax R4 GT 256 by 192 thermal camera specifications
Phonemax R4 GT NETD under 40mK thermal sensitivity comparison
Phonemax R4 GT thermal imaging application examples
Phonemax R4 GT thermal observation distance up to 1000 metres
Phonemax R4 GT rear mini display options
Phonemax R4 GT 64MP main 20MP night vision and thermal cameras
Phonemax R4 GT 20MP night vision camera comparison
Phonemax R4 GT night vision wildlife and navigation examples
Phonemax R4 GT 64MP autofocus camera comparison
Phonemax R4 GT compact 4.3-inch rugged phone design
Phonemax R4 GT Android 14 operating system
Phonemax R4 GT MediaTek Helio G99 performance
Phonemax R4 GT customizable push-to-talk key
Phonemax R4 GT IP68 IP69K and MIL-STD-810H protection
Phonemax R4 GT 3200mAh battery with fast and wireless charging
Phonemax R4 GT NFC payment and unlocking
Phonemax R4 GT GPS toolbox reverse charging and face unlock features

Phonemax R4 GT Compact Thermal Imaging & Night Vision Rugged Phone

What is the Phonemax R4 GT? The Phonemax R4 GT combines thermal imaging and night vision in a compact 4G rugged body measuring 121 × 59.2 × 18.3 mm and weighing 190 g. It brings specialized imaging and mobile communication together in a compact format for field work, inspection and outdoor use. The R4 GT supports the 4G, 3G and 2G frequency bands listed below, making network-band verification an important...

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What is the Phonemax R4 GT?

The Phonemax R4 GT combines thermal imaging and night vision in a compact 4G rugged body measuring 121 × 59.2 × 18.3 mm and weighing 190 g. It brings specialized imaging and mobile communication together in a compact format for field work, inspection and outdoor use. The R4 GT supports the 4G, 3G and 2G frequency bands listed below, making network-band verification an important step before purchase.

Who is the Phonemax R4 GT for?

The R4 GT is intended for field users who want thermal imaging, night vision and mobile communication in one compact rugged device. Buyers who need a smaller Android 14 rugged phone but do not require the R4 GT imaging functions can compare the Phonemax R4 Mini.

Phonemax R4 GT key facts

Product type 4G thermal imaging and night vision rugged smartphone
Dimensions 121 × 59.2 × 18.3 mm
Weight 190 g
Imaging functions Integrated thermal imaging and night vision
Mobile networks 4G, 3G and 2G; supported bands are listed below

How does the R4 GT differ from the R4 Mini?

The R4 GT is the imaging-focused model, combining thermal imaging and night vision. The R4 Mini is the lighter Android 14 model, with published dimensions of 121 × 59.5 × 15.5 mm and a weight of 150 g. Choose according to whether imaging capability or lower weight is the priority.

Size: 121mm*59.2mm*18.3mm

Weight: 190g

Bands:

4G: FDD: B1, B2, B3, B4, B5, B7, B8, B12, B13, B14, B17, B18, B19, B20, B25, B26, B28A, B28B, B66, B71. TDD: B34, B38, B39, B40, B41

3G: B1, B2, B4, B5, B6, B8, B19

2G: B2, B3, B5, B8

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PRODUCT QUESTIONS

Frequently asked questions

What is the difference between thermal imaging and night vision on the R4 GT?

Thermal imaging visualizes temperature differences, while night vision captures visible scene detail in darkness using infrared assistance. The two functions support different inspection, search and outdoor tasks.

Who is the Phonemax R4 GT designed for?

The R4 GT is designed for technicians, inspectors, outdoor users and professionals who want thermal imaging and night vision in a compact rugged smartphone.

How compact is the R4 GT?

The R4 GT measures approximately 121 × 59.2 × 18.3mm and weighs about 190g, giving it a much smaller footprint than many thermal-imaging rugged phones.

Will the R4 GT work with my carrier?

The R4 GT supports a broad range of 4G bands, but no phone is guaranteed to work with every carrier. Compare the product band list with your operator’s frequencies before purchase.

Can the R4 GT replace a professional thermal camera?

The integrated thermal camera is useful for convenient inspections and temperature-pattern detection. For regulated, calibrated or safety-critical measurements, use certified professional equipment suitable for the application.