The required holes to pass through the wires for the current units and the LR units are different, so the SZW-970U makes the holes compatible.
This Compatible Direct Mount Bracket makes it easier to pass through the wires from the signal tower throug...
SZP-917U Pole-compatible Adaptor
The LCE, LE, and LES series use a 17.3mm pole and the LR series use a 21.7mm pole.
The adaptor allows users to attach pole to the place used at the diameter of 17.3mm.