Here is a pic fskmodem, also what about "The Wireless RF Modules (designed by DVP and Parallax) consist of a receiver (RXAM303A) and transmitter (TXAM303A) which operate at 303.825 MHz to allow wireless communication between microcontrollers such as the BASIC Stamp II. Non-repetitive data can be transmitted up to 250 feet with these factory tuned modules. The RF Modules comply with the FCC Part 15 Low Power and Unlicensed Operation class. " That's from the Basic Stamp Site, $79 USD for a pair of modules: http://www.parallaxinc.com/stamps/rf_modules.htm Dean. ---------- i know this has been asked before.. but i a looking for schematics and source files for a pic based modem 9K6... i have seen it on the list , but can;t find it in my archives.. so if some one could help i would be thankful. i think it was a packet modem.. and if not it, if someone could point me to or help me locate a packet modem to build that hooks straight from the serial port on the puter to the radio, pic based, i would appreciate that to... thanx adam ---------- Content-Type: application/octet-stream; name="fskmodem.zip" Content-Description: fskmodem.zip (WinZip File) Content-Disposition: attachment; filename="fskmodem.zip" Attachment converted: wonderland:fskmodem.zip (pZIP/pZIP) (00008B09)