Specific Low Power Intrinsically Safe Explosion-Proof Portable Radio 'PD798Ex'

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Hytera specific low-power intrinsically safe explosion-proof portable radio "PD798Ex"

last updated：Aug 25, 2025

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No license or qualifications required. Intrinsically safe explosion-proof portable radio.

This is the first intrinsically safe explosion-proof structure in the field of specific low-power wireless devices, and its greatest advantage is that it can be used immediately after purchase without worrying about licenses or qualifications. For companies that want to conduct self-operated communication in hazardous locations within a limited communication range, or those using explosion-proof simple radios and struggling with the transition after the expiration of analog use, we would like to introduce this new item as a product. Additionally, since it is a specific low-power wireless device, rental use is also possible, and we believe there is a demand among contractors working in explosive atmospheres at various branches. Main features: ■ No license or qualification required ■ High-quality sound that is easy to hear with a loudspeaker output of over 500mW ■ Japan's ONLY ONE color LCD equipped ○ Battery level and used CH can be visually confirmed ○ ■ Standard noise-canceling function ○ Clear voice communication even in strong winds or noisy environments ○ ■ Adopts DMR digital technology for clear voice close to natural speech ■ Dust and water resistance standard: IP67 ■ Intrinsically safe explosion-proof structure: Ex ib IIC T4 Gb ■ U.S. military MIL standards: MIL-STD-810C/D/E/F/G

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basic information

☆ Frequency 422.0500～422.1750 MHz (11 channels with 12.5 kHz spacing), 422.2000～422.3000 MHz (9 channels with 12.5 kHz spacing) ☆ Transmit Power 10 mW ☆ Waveform and Modulation Method Digital F1E, F1D 4-level frequency shift keying 4FSK *Due to the adoption of the DMR digital modulation method, there is no compatibility with devices using different modulation methods. ☆ Dimensions and Weight Approximately (H) 141mm × (W) 55mm × (D) 39mm (excluding protrusions) Approximately 495g (including battery) ☆ Standard Accessories Main unit (with antenna attached), explosion-proof lithium-ion rechargeable battery (1800mAh), single charger, AC adapter, belt clip, strap ☆ Optional Accessories (sold separately) Intrinsically safe explosion-proof remote speaker microphone (dustproof and waterproof IP67), 6-unit charger, carrying case (with shoulder strap)

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Applications/Examples of results

○Applications, etc. In facilities that handle highly flammable substances such as oil refining plants, oil depots, chemical factories, oil storage bases, LNG bases, and thermal power plants, there are areas that can generate explosive atmospheres. In such hazardous locations (explosion-proof areas), the coexistence of explosive atmospheres and ignition sources poses a risk of fire or explosion; therefore, the use of radios that have passed domestic explosion-proof certification is mandated by the Labor Safety and Health Act. Achievement 1: (Domestic) In March 2017, we became the first in the country to pass the intrinsic safety explosion-proof certification. Currently, we have many customers in various industries handling hazardous materials, including oil refining facilities, oil depots, chemical factories, oil storage bases, LNG bases, and firefighting in Japan. Achievement 2: (Overseas) We are being utilized in over 100 countries and regions, including major German automobile manufacturers and the Saudi national oil company.

Detailed information

Dust and water resistance rating: IP67 Intrinsic safety explosion-proof structure: Ex ib IIC T4 Gb U.S. military MIL specification: 810C–G
Dust and water resistance rating: IP67 Intrinsic safety explosion-proof structure: Ex ib IIC T4 Gb U.S. military MIL specifications: 810C to G
Dust and water resistance rating: IP67 Intrinsic safety explosion-proof structure: Ex ib IIC T4 Gb U.S. military MIL specifications: 810C–G
Clear voice even in noisy environments with strong winds and machine sounds!
Battery level and line busy status can be visually confirmed.