Tripp Lite has released its latest connectivity products, The U224-1R4-R and U224-4R4-R extender hubs that send USB signals over Cat 5 cable. The 1R4 model offers three USB 2.0 ports to connect local peripherals, along with a single-port receiver for connecting an additional remote device. The 4R4 variant allows connection of up to four remote devices to a computer. Users plug the transmitter into