On October 7, 2009 at 17:48, BigZAJ said...
Do I need to get T2Cz's (2.4Ghz Zigbee) and am I s.o.l. with two-way communication with my current T2C?
Yes, you need a 2.6 Ghz remote, and compatible processor (XP8 or ZRP6 in the near future). Yes you are SOL with 2 way on 433Mhz product.