Company Profile
Harsh Environments. Mission-Critical Communications.J&R Technology, based in Shenzhen, China, specializes in mission-critical communication solutions for harsh, complex, and demanding environments. We provide industrial communication terminals and integrated communication solutions designed to ensure reliable, clear, and secure communications in critical operations.Our solutions serve a wide range of industries, including oil & gas, petrochemical, hazardous areas, rail transit, correctional facilities, marine & offshore, and power & utilities. Our product portfolio covers industrial telephones, explosion-proof telephones, waterproof and vandal-resistant telephones, emergency communication systems, SIP communication devices, and other industrial communication terminals.
Main Business
Powered by analog,VoIP and wireless technologies, J&Rs industrial communication products are waterproof, explosion-proof and noise-resistant. With flexible networking and dispatch integration, they deliver round-the-clock reliable voice service for harsh environments in public security, transport, petrochemical and mining industries.
Main Products
Description：
JREX HSA explosion-proof loudspeaker is an explosion-proof horn loudspeaker suitable for inflammable and explosive places. It can be used with various power amplifiers and sound amplification equipment. It can also be used for IP equipment access systems for amplification calls or alarms. The sound transmission part of the equipment adopts the most advanced stainless steel wire mesh explosion-proof component in China. The component has the characteristics of low sound attenuation,large flow capacity, high mechanical strength, and large explosion-proof safety factor. It is suitable for inflammable and explosive places in the petroleum, chemical textile,military, electric power, metallurgy, pharmaceutical and other industries,and is used as a terminal device for production scheduling, communication, and fire broadcasting.
Description：
The JREX-WL-01 explosion-proof warning light is engineered for hazardous environments and extreme industrial conditions. Serving as a critical auxiliary device for explosion-proof communication systems, safety alarm systems and industrial early-warning systems, it is widely deployed in oil & petrochemical, natural gas, power generation, port & marine, offshore drilling platforms and other industrial sectors.
Description：
The explosion-proof audible and visual alarm is designed for atmospheric environments with potential explosion hazards and extremely harsh operating conditions. Its typical application scenarios include oil and petrochemical industries, power plants, nuclear power facilities, natural gas facilities, chemical plants, refineries, ports and marine vessels, aircraft flight corridors, oil drilling platforms, offshore installations and other sectors. It can function as an auxiliary signaling device for explosion-proof telephone systems; be integrated into gas detector and safety alarm systems; serve as supporting equipment for public address early warning or alarm systems; and can also be used independently as dedicated warning lights or aviation obstacle lights.
Description：
The waterproof audible and visual alarm integrates sound and light warning functions to deliver prominent alerts during equipment malfunctions or emergencies, suitable for industrial parks, tunnels and public safety applications.Dual alarm design combining sound and light. Sound output up to 100 dB/m Multiple selectable alarm tones (A/B/C/D) LED rotary & strobe modes available IP66 ingress protection rating Wide operating temperature range: -30 to 70 LED lights available in four colors