Please note:

Maximum distance between antenna and transponder is 3 m/10 ft for reliable detections.
The antenna signal does not travel through the human body. Note that you need a clear line of sight between antenna and transponder. Do not use side antennas in an application with larger groups passing at the same time.
The antenna signal does not stop at a defined distance. It can reach out up to 20 m. This may create detections of transponders located outside your track. Thus it is not recommended to use the side antennas for the finish line if participants of other contests can stand nearby.
The High Gain UHF Antenna will provide better performance when transponder orientation is known and uniform such as in road cycling events.

Setup

Please follow the instructions in this manual carefully in order to ensure a correct installation of the side antennas.

A complete side antenna kit:

Unfold the bottom stand legs. Screw the stand tube into the base. Unlock the bolt and pull out the upper tube with the upper antenna to full extension. Tighten the fastener screw.
Connect the two short 2 m coaxial cables to the antennas of the first stand. Connect the two longer 10m cables to the antenna of the second stand. Plug in and lock the BNC connector by turning 90°.
Place the 10 m cables across your track. Cover it with a carpet or PVC matt.
Connect all 4 cables to any antenna port of your decoder. The decoder automatically detects the antennas.

After booting the decoder, check the antenna status on the display of the decoder. All four antennas should be detected.

For optimum performance with bib transponders, turn the antennas a few degrees into the direction where the participants are coming from. For your setup it can be helpful to know that the electromagnetic field of the antenna is cone shaped and looks like this: