If you want CB radio equipment with real time-tested history for greatness, look no further than Astatic and buy it here from Radioworld UK. For over 60 years Astatic has been the one to trust for professional CB microphones and accessories. Astatic entered the CB radio market in the early 1940s and immediately became a trusted major audio supplier to the US Armed Forces during World War II. Our world-famous D-104 crystal element microphone quickly set the standard in microphone technology and sound quality and is currently on display in the Smithsonian Institute. Professional truck drivers and communication hobbyists have used and trusted Astatic products for decades.