Connecting Your Scanner Connecting Your Scanner; Connect The Supplied Antenna; Connect An External Antenna - Radio Shack 20-427 PRO-2054 User Manual

The Basics
connecting your scanner

connect the supplied antenna

Push the antenna
onto your scanner's
antenna connector
and rotate until it
locks into place.
Your scanner's
sensitivity to
various frequencies
depends on its
location and the
antenna's length. For best reception, adjust the
antenna's length as follows:

connect an external antenna

You will need to
connect an external
antenna when you
mount your scanner
in the dashboard of
your vehicle. You
may also want to
connect an external
antenna if you use
your scanner as a base station.
Frequency
28—54 MHz
108—174 MHz
406—960 MHz
16
Antenna Length
Extend fully
Extend 4 segments
Collapse Fully