{{Short description, Wireless communication products brand Chemlink is a brand name for wireless video transmission products made by the Chung-Hsin Electric and Machinery Manufacturing Corporation Wireless Communication Division.

Background

The company is on a 5.8 GHz wireless transmission for audio and video. Not only OEM/ODM audio/video senders for many worldwide brand companies, also supply their video transmitter or receiver modules for the remote monitoring systems, wireless cameras or wireless

CCTV Closed-circuit television (CCTV), also known as video surveillance, is the use of closed-circuit television cameras to transmit a signal to a specific place on a limited set of monitors. It differs from broadcast television in that the signa ...

s makers for professional and

surveillance Surveillance is the monitoring of behavior, many activities, or information for the purpose of information gathering, influencing, managing, or directing. This can include observation from a distance by means of electronic equipment, such as ...

markets. Wireless solutions make use of the 5.8 GHz range to avoid interference from the increasingly crowded 2.4GHz radio band, which is widely used by

WLAN A wireless LAN (WLAN) is a wireless computer network that links two or more devices using wireless communication to form a local area network (LAN) within a limited area such as a home, school, computer laboratory, campus, or office buildin ...

802.11b/g,

Bluetooth Bluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances and building personal area networks (PANs). In the most widely used mode, transmission power is li ...

devices,

Cordless phone A cordless telephone or portable telephone has a portable telephone handset that connects by radio to a base station connected to the public telephone network. The operational range is limited, usually to the same building or within some shor ...

s and

Microwave ovens A microwave oven, or simply microwave, is an electric oven that heats and cooks food by exposing it to electromagnetic radiation in the microwave frequency range. This induces Dipole#Molecular dipoles, polar molecules in the food to rotate and ...

. Therefore, 5.8 GHz solutions are getting more and more public to use in home video transmission, especially in North America and Australia. In the security and surveillance markets, especially for long range video transmissions, more people are starting to use 5.8 GHz frequency for cleaner bandwidth for better outcome. In 1956, Chung-Hsin Electric and Machinery Manufacturing Corporation was established. During the early years, the major scope of this company's business was focused on the manufacture of electric motors and generators. In 1970, they stepped into the market of home appliances including air-conditioners. Before long, they took the lead in the production of air conditioners, refrigerators and washing machines in

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...

. In 1983, operating with

Hitachi () is a Japanese Multinational corporation, multinational Conglomerate (company), conglomerate founded in 1910 and headquartered in Chiyoda, Tokyo. The company is active in various industries, including digital systems, power and renewable ener ...

, Japan, they successfully developed SF₆ gas insulated

switchgear In an electric power system, a switchgear is composed of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment. Switchgear is used both to de-energize equipment to allow work to ...

and gas insulated

circuit breakers A circuit breaker is an electrical safety device designed to protect an Electrical network, electrical circuit from damage caused by current in excess of that which the equipment can safely carry (overcurrent). Its basic function is to interr ...

. Ten years later in 1993, in accordance with Taiwan government's policy, they actively participated in large-scaled, “Turn-Key,” engineering projects of the government. The total contract value was 18 billion

NT dollar The New Taiwan dollar (code: TWD; symbol: NT$, also abbreviated as NT), or simply the Taiwan dollar, is the official currency of the Republic of China (Taiwan). Usually, the $ sign precedes the amount, but NT$ is used to distinguish from othe ...

s. The company was transformed again in 2000. Since then, they have been engaged in RF

Radio frequency Radio frequency (RF) is the oscillation rate of an alternating electric current or voltage or of a magnetic, electric or electromagnetic field or mechanical system in the frequency range from around to around . This is roughly between the u ...

and wireless communication manufacturing business. They started to use Chemlink as a brand name of their AV sender products line.

External links

Chung-Hsin Electric and Machinery Manufacturing Corporation
CHEM website

Chemlink Website Broadcast engineering