Where is the 4G version of the telephone used? In tunnels, highway construction, subway construction and other projects, communication equipment is an important part. It not only plays a role in daily communication, but also needs to ensure normal work in emergency situations. Many customers choose the 4G version of the weatherproof phone. Based on […]

When considering the technical aspects of prison phone systems, several key issues should be taken into account. These issues relate to the functionality, reliability, and security of the system. Here are some technical considerations: 1.Call Quality: The phone system should provide clear and reliable call quality to ensure effective communication between inmates and their contacts. […]

Introduction In the fast-paced and dynamic environment of a campus, effective communication plays a vital role in fostering a productive and safe learning environment. One powerful tool that facilitates seamless communication across the campus is the Public Address (PA) system. As a leading communication equipment manufacturer, we recognize the significance of PA systems in educational […]

The emergency intercom is a key component of elevators. In case of power failure, sudden stoppage of operation, or other emergencies, elevator passengers can rely on the intercom to contact the outside world, and maintenance personnel can also use the elevator intercom to realize multi-party communication between the monitoring center or the duty room, the […]

Telephone acoustic hoods are one of the common public facilities in people’s lives, and sound insulation materials play an essential role in telephone booths. Three principles of soundproofing material mainly includes three aspects: sound absorption, reflection, and isolation.   Sound absorption refers to the conversion of sound wave energy into other forms of energy for consumption. […]

The UK Has A World-Class Transportation Network, Both Between And Within UK Cities. With A Total Road Length Of Nearly 395,000 Kilometers, The UK Is Well Connected By Road Traffic. Freeways And A Roads Are Responsible For 65% Of Road Traffic.   Concept Formation In the 1960s, it was first applied on Australia’s highways, where telephone […]

What role does the underground gallery play in the city? A comprehensive pipeline gallery is a tunnel space built underground in the city, and various engineering pipelines such as power, communication, gas, heating, water supply, and drainage are integrated into one. It is a modern, scientific and intensive urban infrastructure, which can effectively solve the […]

1. The application of the explosion-proof phone The explosion-proof telephone was originally developed for coal mines and other inflammable and explosive places, generally used in factories and mining enterprises of the second type of places. The explosion-proof telephone adopts a protective element and safety barrier to ensure the reliability of safety spark performance. Its ring […]

What is an American Summer camp? Summer camp originated in the United States in 1861, the original purpose is to let modern city children away from big cities and return to nature, and outdoor life through a variety of activities and exercises, to become tough, brave, and correct behavior. As time goes by, the content […]

Recently, the 48th Geneva International Exhibition of Inventions closed in Geneva, Switzerland, and announced the list of winners. Founded in 1973, the Geneva International Exhibition of Inventions is an annual large-scale international exhibition organized by the Swiss Federal Government, the Canton of Geneva, the City of Geneva, and the World Intellectual Property Organization. It is […]

In the course of the whole social progress, prison as an important part of the judicial system is gradually modernizing. The phone is a very important device in prison, playing a very important role in family communication and social help and education, to promote prisoners’ stability and peace of mind reform. Based on the special […]

Spring doesn’t skimp on those of us who stick it out in winter. Between the present and the future, there is beating and innovation. Looking forward to a new journey, the dawn is glowing on the horizon. Every brave man of us believes that after a fog dispersed we still have passion on our life […]

Outdoor Roadside SOS call box The Hands Free Telephone is designed to meet the needs of clients who experience loss through vandalism. Ideal for Highways, parking lots, Roadside, railway/metro platforms, hospitals, police stations,  outside buildings, etc. Housed in a cold rolled steel box and manufactured to a high standard, these telephones offer increased resistance to vandalism, […]

Best Telephone Manufacturer J&R Technology supplies reliable telephone solutions to customers all over the world. Our production includes standard and custom telephones such as weatherproof telephones, vandal resistant telephones, explosion resistant telephones, and telephone accessories. Our telephones are used in various industries including oil&gas, maritime, industrial, transportation, etc. The phones can be installed at airports, […]

JR101-FK Waterproof Telephone Telephone waterproof for tunnel purposes made of aluminum alloy material by die casting. The telephone waterproof is and rugged and durable. Special sealing design can ensure a complete waterproof grade up to IP66. Waterproof, dustproof, and moisture-resistant. The telephone is waterproof and widely used in tunnels and outdoors. Most metro and high-speed […]

JR101-FK-SIP Weatherproof Telephone The weatherproof telephone is an emergency phone that specifically addresses the harsh environment of the outdoor industry. weatherproof telephone for tunnel purposes made of aluminum alloy material by die casting. The telephone is rugged and durable. Special sealing design can ensure a complete waterproof grade up to IP66. weatherproof, dustproof, and moisture-resistant. The weatherproof telephone is widely used […]

JR101-FK-SIP Weatherproof Telephone This Weather-resistant telephone is fully contained within a corrosion and vandal resistant cast aluminum weatherproof case with a pivoted door providing complete protection against dust and moisture ingress, resulting in a highly reliable product with a long MTBF. Applicable to Tunnels, Mining, Marine, Construction sites, Blast furnace areas, Underground, Metro stations, Railway platforms, Highway side, […]

Acoustic Phone Booth Hood For external or internal use, the JR-TH-01 is designed to attain a high level of noise reduction of up to 23 dB. Manufactured using general-purpose resin material fire regulation, the JR-TH-01 is extremely robust and weatherproof. Inside the hood’s shell is a perforated polypropylene lining that houses non-hygroscopic acoustic insulation. Fitted […]

JR321-SC-SP Emergency Telephone The emergency Phone Tower will be designed to work on Railways, metro, tunnels, etc. Housed in a robust aluminum box with one CALL/ ANSWER button, it will offer protection against the outdoor environment and vandals. The unit will meet all the latest European/UK standards in telephony, waterproofing IP65, and lightning protection together […]