> I want to thank you all for your help and suggestions Hi Matthew, I was helping someone else today and came across an abandoned project I'd forgotten about. It was for an in-house signalling system It's an rfPIC12F675 with a Splatch antenna http://ww1.microchip.com/downloads/en/DeviceDoc/70091B.pdf http://www.futureelectronics.com/en/technologies/semiconductors/wireless-rf= /antennas/embedded/Pages/7633027-ANT-433-SP.aspx?IM=3D0 Worked very well (> 200m @ 4.5V) and should have progressed to sales (IMVHO) but unfortunately fell by the wayside Joe=20 ----- No virus found in this message. Checked by AVG - www.avg.com Version: 2016.0.7998 / Virus Database: 4756/14023 - Release Date: 02/25/17 --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .