The outdoor intercom is a telephone device specifically designed for outdoor emergency calls. It can be wall-mounted or embedded, with easy and sturdy installation that ensures durability and an attractive appearance. The outdoor intercom features full-duplex two-way voice communication and complies with the internationally recognized SIP protocol. As a SIP intercom, it requires only one […]

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 […]

Clean room communication systems play a crucial role in maintaining a sterile and controlled environment in clean room facilities. These systems should address specific technical problems to ensure effective communication while adhering to the strict cleanliness and safety requirements of clean rooms. Here are some technical problems that clean room communication systems should solve:   […]

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 […]

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 […]

The typical application of clean room is manufacturing or scientific research, which requires low content of environmental pollutants, such as dust, air microorganisms, float and sink, chemical pollutants, etc. More precisely, clean rooms control contaminants down to the amount of impurities per cubic meter. For continuous monitoring and control of the environment, high precision measuring […]

Quanzhou Wharf Telephone Commissioning This weatherproof telephone is very popular for Tunnels, Mining, Marine, Underground, Metro stations, Railway platform, Highway side, Hotels, Parking lots, Steel Plants, Chemical plants, Power plants, and related heavy duty industrial application, etc. Extremely easy to install. The cable entrance is on the back of the phone to prevent from artificial damage, while […]

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 […]

  JR205-FK Rugged public telephone A public emergency telephone is in the place where the accident that easy to install for sos emergency telephone for help. We can provide elevator parts Telephone Emergency Phones SOS device security telephones with speed dial buttons optional for the ship cockpit. Highway of highway roadside emergency telephones, waterproof telephones for […]

JR204-FK prison telephone The inmate’s phone call using a metal casing has a destructive character. Prison call, with a high-definition LCD display, and 16 external metal buttons, use a magnetic hook, the phone hangs up automatically when the phone is hung up, use a metal phone line, to prevent tearing. Features: 1. With auto-dial function […]

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 […]

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 […]

JREX103 Explosion proof telephone ATEX phones are EU certification requirements for equipment used in potentially explosive environments. ATEX-certified explosion-proof phones can be used in hazardous areas with dust and flammable gases in mines and non-mines. The phone can be used normally in a hazardous area without causing a fire or explosion. Explosion proof telephones work […]

JR101-FK-L 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, […]