Topaz SignatureGem LCD 4x3 SE Serial / Virtual Serial Signature Pad (T-LBK755SE-BBSB-R)The Topaz T LBK755SE BBSB R is a rugged, large format signature pad designed for professionals who require a spacious signing area and a reliable connection to remote servers. Featuring a tempered glass signing surface, this model is built to withstand millions of signatures in high traffic UK business environments. Unlike standard USB pads, the "BBSB" variant communicates over a COM port protocol, ensuring that signature data is transmitted reliably