Most Wi-Fi and Bluetooth designs will appear to work during board bring‐up, even if the antenna feedline has a horrible mis‐match, but then you get to range testing and data integrity ...

Embedded antennas, also known as chip antennas, or SMD (surface mount design) antennas, are used in on-board devices, small trackers, remote monitoring, Femto/PICO base stations, point of sale ...