MOTOROLA DP4401 EX UHF

Product brand: Motorola
Product type: Digital walkie talkie
Product model: DP4401
Product frequency band: UHF frequency band
Frequency range: 403-470MHz
Working voltage: 7.4V
Product weight: 455.5 grams
Dimensions: 138.5 × 56.7 × 37.8 millimeters
Product performance: Waterproof (IP67) Explosion proof (ATEX IIC T4)
Product certification: ATEX certificate
Applicable scenarios: Maritime vessels, port terminals, firefighting, petroleum and petrochemical industries, factories, cement and electricity, others


In the high humidity salt spray environment of maritime vessels, flammable and explosive areas of petroleum and petrochemicals, and humid and thick smoke scenes of firefighting and rescue, the "stability", "protection", and "adaptability" of communication equipment directly affect operational safety and efficiency - ordinary walkie talkies are prone to malfunction due to water ingress, dust intrusion, or insufficient explosion-proof rating, and even pose safety risks. Motorola focuses on the pain points of multi industry communication and launches the DP4401 digital walkie talkie, which is a professional communication solution for scenarios such as ship and maritime, port and dock, fire protection, petroleum and petrochemical, with "UHF broadband+IP67 waterproof+ATEX IIC T4 explosion-proof+lightweight design".
1. Precise adaptation of core parameters to ensure basic communication performance
The Motorola DP4401 digital walkie talkie meets the communication needs of multiple scenarios from three basic dimensions: frequency coverage, stable power supply, and portability
UHF broadband coverage: The frequency range is locked at 403-470MHz, which has the characteristics of strong signal penetration and excellent diffraction ability - in container intensive areas of port terminals, it can reduce interruptions caused by signal obstruction; Maintain stable communication in the complex steel structure environment of factory buildings; The signal transmission loss between the ship deck and the cabin is low, ensuring clear transmission of instructions between the crew and dispatchers.
7.4V Stable Power Supply: Using 7.4V standard working voltage and compatible lithium batteries, it can achieve long-term endurance (depending on the frequency of use, a single charge can support 8-12 hours of continuous work), meeting the continuous communication needs of 24-hour shift scheduling at ports and terminals, long-distance ship operations, and 24-hour operation of factory production lines, without frequent charging interruptions.
Lightweight and compact design: The body weighs only 455.5 grams, with dimensions of 138.5 × 56.7 × 37.8 millimeters, equivalent to the weight and thickness of an ordinary smartphone - there is no obvious weight-bearing sensation when worn by crew members at the waist or operated by hand; When firefighters wear protective equipment, they can easily put it in their pockets or hang it on their chest; When factory workers work with both hands, handheld operation does not affect work efficiency, and portability is suitable for multi scenario mobile communication needs.
2. IP67 waterproof+ATEX explosion-proof, to cope with extreme environmental challenges
In response to harsh environments across multiple industries, the Motorola DP4401 has passed dual protection certification to ensure reliable equipment operation
IP67 waterproof and dustproof certification: reaching the highest protection level of IP67, it means that the equipment can completely prevent dust intrusion and can work normally after soaking in water at a depth of 1 meter for 30 minutes. In maritime scenarios, even if encountering splashing waves or deck water, the equipment will not malfunction due to water ingress; It can resist moisture intrusion in damp environments or during water gun spraying operations in firefighting and rescue; In factory cleaning workshops and outdoor operations in the cement and power industries, dust and rainwater do not affect equipment performance, greatly extending the service life of equipment in harsh environments.
ATEX IIC T4 anti