Ebay, Craigslist.. it kinda depends on what exactly you're looking for, but you'll find them on both of those websites.
Commercial truck drivers do commonly used CB Radios. As for Cobra CB Radios, the commonness would depend on where the professional truck is and if the Cobra CB Radios are offered and popular in that location.
CB radios and scanners are available from BestBuy. For instance, Midland CB radios cost a price of $78.98. In contrast, the Midland 40-channel CB radio costs $54.98.
Vintage CB radios can be purchased through some antique shops. Another good way to find an old CB radio is through eBay, which features auctions and listings for all kinds of radios, old and new alike.
There are many types of emergency radios available. Some of the types of radio available include Ham radio, AM radios, FM radios, CB radios and walkie talkies.
If the Motorola were actually a CB radio, it would be able to - the brand name doesn't matter, they all transmit on the same frequencies. However, Motorola does not manufacture any radios which transmit on the 11 metre Citizens Band.
Four watts out of the box, which is the legal limit set for CB radios by the FCC.
Yes, many people in the word still use a CB radio. Truck drivers use CB radios each day.
it amplifies both the incomeing and outgoing signals on CB radios
Yes. They're not as popular as they used to be, but they do still exist.
In the US at least, no, linear amps are not legal for use on CB radios. The maximum wattage permitted for AM transmission is four watts, and the maximum wattage permitted for Single Sideband is 12 watts.
Cobra Electronics is currently the leader in manufacturers who make CB radios. You can visit their website at www.cobra.com/ .
They do make base station CB radios, which run off of 120v AC power.