HDSL (High bit-rate Digital Subscriber Line), a symmetrical type with equal uplink and downlink bandwith is used for wideband digital transmission within a corporate site and between the telephone company and a customer.We at 21st Century Technologies are ready to bring this technologies to your doorstep.

HDSL can carry as much on a single wire of twisted-pair cable as can be carried on an E1 line (up to 2.048 Mbps) over a somewhat longer range and is considered an alternative to an E1 connection.