It has been compared to Castle on the ports, for instance Vega 5000s with 3 x RS232 and 2 x USB, Vega 3000 with 2 x RS232 and USB, which the connected comms are coming off a base. What I believe was sold to KBank is likely the Vega 5000s 3G, and with this dongle on 520 3G, we shld have 3 x RS232 and 3 x USB, with 2 x RS232 and USB via the dongle. Thanks