A European format for digital transmission. E1 supports signals at 2 Mbps (32 channels at 64Kbps, with 2 channels reserved for signaling and controlling), versus the T1, which carries signals at 1.544 Mbps (24 channels at 64Kbps).
Founded in 1988, Citilink Group is today one of the leading lights in the Nigerian business community. It is a multi-investment company with interests in communications, information technology, finance, travels and tours, and consultancy.