The author assumes no responsibility for illegal operation. Modifying this radio for CB use violates FCC/OFCOM regulations. Use these mods exclusively on Amateur Radio bands with a valid license.
If you hold a Technician or General class license, you can convert the 3900 into a legal 10-meter rig. superstar 3900 mods
The Superstar 3900 can be "peaked and tuned" to deliver a more authoritative signal on both AM and SSB modes. YouTube·The Radio Garage SuperStar 3900G Gold tune up and repair (unhack) The author assumes no responsibility for illegal operation
The Super Star 3900 is a legendary CB transceiver known for its "DX chassis" design, bearing a strong resemblance to the classic Cobra 148GTL superstar 3900 mods