Product Info

JODY-W2 - Application Note
UBX-20053581 - TBD Contents Page 5 of 11
3 Reference design of RF path
JODY-W2 is certified with a set-up including JODY-W2 module board with it’s RF paths connected to
the carrier board with RF coaxial cables. The antennas are connected to the carrier board through
SMA connectors. Below are the relevant components listed.
 Module board including U.FL connectors with JODY-W2 mounted.
 Carrier board including U.FL connectors to interface the module board and SMA connectors
to connect antennas.
 Coaxial cables with U.FL connectors connecting the module board’s RF traces to the carrier
board’s RF traces.
 Antennas connected to the carrier board’s SMA connectors.
Figure 1. Definition of Module board and Carrier board
Figure 2. Test set-up.
3.1 RF trace PCB routing
The PCB routing connecting the module’s antenna pins to module board U.FL connectors are
designed with coplanar microstrips. Coplanar microstrips are also used on the carrier board
connecting the U.FL connectors with the SMA connectors to which the external antennas or test