Product Recommendations Mentioned in this Episode (and some not)
All of these antennas work very well. Some are dual, or multi-band and some are only designed to work in the GMRS frequency range. Remember, dual band is always a bit of a compromise, but works well if you plan to use ham radio in addition to GMRS. If you only plan to use GMRS, stick with a single band antenna for the best results.

SWR Meter
Surecom SW-102

HT Antennas
The Signal Stick by Signal Stuff (dual band)

Mobile Antennas
The Browning BR-450 (GMRS)
Laird Phantom Antenna (GMRS)
Compactenna Scan-III (multi-band)

Base Station Antennas
Sirio CX455 (GMRS)
Diamond X50-NA (dual band)
Harvest BC200 (GMRS)