The single most common cause of a marginal link is an antenna inside a building. A tower with metal siding or a concrete press box will absorb most of the signal before it reaches the track.
In order of what to try:
- Get the antenna outside. The outside antenna mount kit relocates it with 20 feet of cable and a universal bracket. This fixes more problems than anything else.
- Point it. For long or awkward runs, the high gain flat panel antenna is directional with 12dBi of gain. Aim it down the track rather than mounting it flat.
- Raise it. Height beats power. Getting above the crowd, the vehicles and the fencing does more than a bigger antenna at head height.
A full-length strip with the tower at one end will usually want more than one antenna kit. Three is not unusual on a sanctioned installation.