Telecommunications Technology

ADSL, Asymmetric Digital Subscriber Line modem technology for multimedia communications high-speed data communications cables that use twisted-pair telephone cable that has existed. Transmission speed can reach up to 6 Mbps.

HFC, Fiber Coax Hyber, one that combines a network of coaxial cable with fiber cable used to transmit data, pictures and voice or multimedia services. This network types developed after seeing the fact that most of the network for cable television service when it uses coaxial cable. By starting the development of multimedia services on the network needs with a wide band (bandwidth) which is greater in the primary network for consumers who melayanin also increasing. Because the investment needed to replace the entire network with fiber cable is very large, then the development of this technique in hopes mengurangin investment costs.

450 NMT, Nordic Mobile Telephone, analog cellular communications standard that works on 450 MHz.Standar frequency was developed and used by the nordic countries in 1981

AMPS, Advanced Mobile Phone System, analog cellular communications standard that works on 800 MHz.Standar frequency was developed and used in 1983

TACS, Total Access Communication System, standard analog cellular communications; similar to the AMPS; only works on 900 MHz.Standar frequency was developed and used in 1985

900 NMT, Nordic Mobile Telephony, analog cellular communication standard that works on 900 MHz.Standar frequency was developed and used by the nordic countries in 1986