2.4GHz ceramic chip antennas. Very small antennas that work nicely with the Nordic ICs. Don't expect these little guys to perform as well as their ~2" rubber duck counter parts, but then again, these will squeeze onto* any* PCB layout.
2.4GHz ceramic chip antennas. Very small antennas that work nicely with the Nordic ICs. Don't expect these little guys to perform as well as their ~2" rubber duck counter parts, but then again, these will squeeze onto* any* PCB layout.