An SWR meter is an essential tool for installing a CB radio and antenna. It allows you to tune your antenna, which is adjusting the length of the antenna for optimum performance. This not only gives you the best range but it can also prevent damage to your radio.
The AUSWR from Accessories Unlimited is our most popular SWR meter. It includes a 3 foot coax jumper for connecting the meter to your radio and antenna, and detail instructions for tuning your CB antenna. You can find similar instructions in our guide for tuning a CB antenna. This basic SWR meter does its job well and accurately. It measures 3 7/8" W x 2 1/4" H x 2 1/8" D.