2.6.1 PCB Antenna

For the RNWF11PC Module, the PCB antenna is fabricated on the top copper layer and covered in solder mask. The layers below the antenna do not have copper trace. The recommendation is to mount the module on the edge of the host board, and ensure there is no PCB material beneath the antenna structure of the module, as well as avoid any copper traces or planes in that specific area of the host board. Also, verify the maintenance of antenna tuning when integrating the module onto a host board or end-product.

The following table provides details about the technical specification of the PCB antenna, which is tested with the RNWF11 Module mounted on a carrier/evaluation board of 0.8 mm PCB thickness.
Table 2-2. PCB Antenna Specifications
ParameterSpecification
Operating frequencyApproximately 2400-2500 MHz
Peak gain2.51 dBi at 2450 MHz
Efficiency (average)71%