My work laptop used to have a serial port, so I just got a serial programming cable for the Puxing/Wouxun radios I have. With my new laptop, there is no serial port, and the Prolific USB to serial programming cables had driver issues on Vista and Windows 7. So I changed to a Keyspan USB to serial adapter and use that with the serial programming cable. Not one issue with the cable so far.
http://www.409shop.com/409shop_product.php?id=103756
http://www.officedepot.com/a/product...:referralID=NA
This should work for the AN/PRC-148 radios as well