We can provide professional service and better price for you. If you interested in Industrial Explosion Proof Dmr Mobile Radio, please contact with us. We follow the quality of rest assured that the price of conscience, dedicated service. Introducing our new explosion-proof DMR mobile radio designed to meet the needs of workers in hazardous working environments. This advanced mobile radio is built to withstand the harshest conditions, providing reliable communications and safety to workers in oil and gas, chemicals, mining, and other industries where explosive gases and dusts are present.
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Explosion-proof DMR mobile radios are specifically designed to comply with international standards for use in potentially explosive environments, ensuring the highest level of safety for workers in these high-risk environments. The radio has a rugged construction and is explosion-proof certified to prevent explosions from any potential ignition source.
The radio is equipped with Digital Mobile Radio (DMR) technology for seamless, clear communication between workers, supervisors and the control room. It supports private and group calls, ensuring teams can always stay connected and coordinated. DMR technology delivers superior audio quality even in noisy and harsh environments, ensuring critical information is heard and understood without interference.
In addition to rugged design and advanced communication capabilities, explosion-proof DMR mobile radios offer a range of other advantages. It is intrinsically safe, meaning it is designed to prevent the release of enough electrical or thermal energy to ignite a specific hazardous atmosphere. This level of safety is critical for workers who often work in environments where explosive materials are present.
The radio also features long-lasting battery life, ensuring workers can rely on continuous communication throughout their shift. Its ergonomic design and intuitive interface make it easy to use, even while wearing gloves or protective gear. The large, high-contrast display is designed for use in low-light conditions, making it easy to read in any environment.
Additionally, the explosion-proof DMR mobile radio comes with a range of accessories to enhance its functionality. These include a remote speaker microphone, headset and vehicle mounting kit, allowing for flexible use of the radio. These accessories are also designed to be extremely durable and resistant to the same hazardous conditions as the radio itself.
Overall, explosion-proof DMR mobile radios are critical tools for ensuring the safety and productivity of workers in hazardous environments. Its reliable communications capabilities and rugged, intrinsically safe design make it a must-have for any team working in potentially explosive environments. With this radio, workers can rest easy knowing they are equipped with the highest level of safety and communications technology.
M4 is available in both DMR Tier 2 and analog modes, it supports AES 256 encryption keys to secure communication. Rugged and Reliable, IP68 ingress protection, the radio can use across multiple environments and industries.
M4EX Intrinsically Safe version is specially designed for those who work in environments with explosive gas and combustible dusts, providing secure and reliable voice and data communication in the dangerous areas.
General | |
Frequency Range |
136~174MHz,350~400MHz 400~470MHz,450~520MHz |
Channel Spacing | 12.5 KHz / 25 KHz |
Channel/Zone Capacity | 32Channels /2 Zones |
Operating Voltage | 7.4V |
Battery Capacity | 2200mAh |
Battery Life (5/5/90) | Analog: 11 hours ; Digital: 14 hours |
Vocoder Type | AMBE+2 |
Frequency Stability | ±1.0ppm |
Antenna Impedance | 50Ω |
Dimensions (without Antenna) | 133.5*61.7*40mm |
Weight | Around 300g |
Ingress Protection (IP) Rating | IP68 |
Receiver | |
Analog Sensitivity | 0.2μV (12dB SINAD) |
Digital Sensitivity | 0.22μV (Typical) (BER 5%) |
Adjacent Channel Selectivity | 60dB @ 12.5KHz / 65dB @ 25KHz |
Intermodulation Rejection | 60dB @ 12.5KHz / 60dB @ 25KHz |
Blocking | 84dB @ 12.5KHz /84dB @ 25KHz |
Co-Channel Rejection |
-12dB @ 12.5KHz -8dB @ 25KHz |
Spurious Response Rejection | 65dB @ 12.5KHz / 65dB @ 25KHz |
Rated Audio Output Power | 1.0W /16Ω |
Conducted Spurious Emission |
<-57dBm(9KHz~1GHz) <-47dBm(1GHz~12.75GHz) |
Transmitter | |
RF Power | 1W (Low) / ≤5W (High) |
Power Margin Variation | +2/-3dB (under Extreme Conditions) |
Frequency Error | ±1.0ppm |
FSK Error | <5% |
4FSK Transmission Bit Error Rate (BER) |
≤1×10-4 |
4FSK Modulation Frequency Deviation Error |
≤10.0% |
Occupied Bandwidth (PDT/DMR) | ≤8.5KHz |
TX Attack/Release Time | ≤1.5ms |
Adjacent Channel Power | ≤-50dB @12.5KHz /≤-60dB @25KHz |
Transient Adjacent Channel Power | ≤-50dB @ 12.5KHz / ≤-60dB @ 25KHz |
FM Modulation |
16K0F3E @25KHz/ 11K0F3E @12.5KHz |
4FSK Digital Modulation |
12.5KHz(data only):7K60FXD 12.5KHz(data+voice):7K60FXE |
Audio Distortion | ≤3% @ 40% Deviation |
Audio Response | +1 ~ -3dB |
FM Hum and Noise | 40dB @ 12.5KHz / 45dB @ 25KHz |
Spurious Emission |
≤-36dBm (9KHz~1GHz) ≤-30dBm (1GHz~12.75GHz) |
Note: The above specifications are tested in accordance with applicable standards. Due to the continuous development of technology, the above indicators are subject to change without prior notice.
The M4 is IP68 dust and waterproof, this rugged construction provides dust-tight protection making it suitable for outdoor use.
The free slot can be allocated to enhance frequency efficiency and timely response under emergency.
Adopts AES256 encryption to secure communication privacy and optimize information safety.
Communicate effortlessly in a mixed group of analog and digital radios, automatically switching with no user intervention.
Hear and be heard in noisy environments like construction sites using crystal-clear digital technology and a powerful speaker.
Ensure you’re communicating with the intended team by receiving a customizable voice announcement when switching channels.
we are committed to delivering top-quality two-way radio products, ensuring each product meets the highest standards through rigorous inspection and packaging processes. Our inspection and packaging team bears the responsibility of ensuring customers receive reliable products, providing a worry-free user experience.
1、Visual Inspection: Each two-way radio undergoes a thorough visual inspection to ensure flawless aesthetics that align with the company's brand image.
2、Functionality Testing: Our inspection team conducts comprehensive functionality tests on every radio, ensuring all features operate correctly. This includes key functions such as audio quality, signal strength, and channel switching.
3、Durability Testing: Products undergo durability tests to ensure they function properly in various environmental conditions, including extreme temperatures, humidity, and vibrations.
4、Battery Performance Testing: Battery life is crucial for radio performance. Strict performance tests are conducted on batteries to ensure reliable, extended use.
1、Anti-Static Packaging: Each radio undergoes anti-static packaging to prevent electrostatic damage during transportation.
2、Environmentally Friendly Packaging: Committed to sustainability, our packaging materials adhere to international environmental standards.
3、Shock-Resistant Packaging: Professional shock-resistant packaging is employed during transportation to prevent damage to products.
4、Integrity Check: The packaging team performs a final integrity check to ensure products remain intact and undamaged after the packaging process.
Our inspection and packaging processes aim to surpass customer expectations, ensuring that every two-way radio received has undergone rigorous testing and meticulous packaging as a high-quality product.
Customer Evaluation and Feedback:Satisfied customers are our number one priority