On September 9, 2007 at 20:13, Springs said...
Check if your Rm433 has a date sticker on it. If not and
just a ROHS sticker... range can suck. Try an RM 433 with
the date sticker after RTI told me to and it works fine.
I have had this issue a few times myself now. I spoke RTI and apperently the had a defect which is now fixed. But mixing and match old with new can be a headache.
He did say just send them in for an exchange...