Integration Manual

ANNA-B4 series - System integration manual
UBX-21000517 - R03 Appendix Page 68 of 76
C1-Public
B.2 Internal antenna reference design with module along PCB edge
When using the ANNA-B4 together with this antenna reference design, the circuit trace layout must
be made in strict compliance with the instructions below. This section describes where the critical
copper traces are positioned on the reference design.
Figure 31 shows the top layer for the edge version of the internal antenna reference design.
Figure 31: Reference design for internal antenna, edge version, top layer
Figure 32 shows the GND layers for the edge version of the internal antenna reference design.
Figure 32: Reference design for internal antenna, edge version, GND layers