If you do not know which antenna to get for your scanner, this video will go over the difference of SMA and BNC connectors.
This video goes over the difference of the SMA connectors for devices like the SDS100 and BCD436HP.
NOTE: We mainly carry the 820S now.
Last but not least, we did not forget about the base scanners.
Here is the link to the Remtronix antennas on our website.