A A: The size of the device and ground layer can have a significant impact on the RF performance of the antenna. Typically, the device becomes part of the antenna, and the position and orientation of other components within the device affect the antenna's ability to send and receive signals. In addition, the device may not always point to the sky, but it must work properly in a variety of random directions. In this case, a more spherical omnidirectional antenna should be sought.

A A: Some devices may not allow the use of internal GNSS antennas for a number of reasons, such as internal interference from other components, limited space, or use in blocked locations. In this case, an external GNSS antenna is needed, connected to the device via coaxial cable and RF connectors.