> Jay, Assuming your in the us, 433Mhz is very close to on channel 59 of a TV. Make sure the TV is in "CATV" or cable mode. When you turn it on you should notce some effect on the picture-- at least that will let you know your device is transmitting. Regards, Steve > I have been trying to get an RF application going for a couple of weeks and > am having a terrible time. I am sending data from one PIC to another with > one of these > http://www.parallaxinc.com/html_files/products/RF_Mods/27986-27991.asp at > 433 MHz. My results are not consistent. Sometime it works just fine, > sometimes it doesn't work at all. > -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads