The Thor-2-PCMCIA-Plus is equipped with an newer version of the T1/E1 interface device, which adds features such as single bit error insertion (e.g. a single code violation error, or a single framing error).

The Thor-2-PCMCIA-Plus is equipped with two Digital Signal Processors with 120 MIPS of processing power each, whereas the Thor-2-PCMCIA card is equipped with 80 MIPS Digital Signal Processors.