>> The cheapest tags contain a PIC 10F202 and a Melexis transmitter.
>>  The end user price is well under this $11 module price

I'm looking at developing another product with a similar combo. The
prototype for that idea has, for the time being, a 10F and a Keymark
transmitter
 
> Ah, yes, but you are talking US$, Joe is talking NZ$, and the ratio is 
> around NZ$0.71 = US$1.00

For 100-up quantities I can get the ASK Rx/Tx pair for US$3, which
is well within budget for the application
-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist