Board-edge antenna with nearby battery and enclosure variables to review
Tune the antenna in the product it will operate in
Placement review sketch ยท not a recommended layout or universal keepout distance
Battery
Board ground region
Enclosure materialRadiator / keepout zoneNearby conductive objects
Review all copper layers, cables, mounting parts and the intended user position.
Keep the reference design context; verify matching and radiation in the final assembly.