(Video) Our latest RP2040 Board has an RFM69 or LoRa radio module on it, and to make it easy for folks to use external antennas for good range, we added a uFL connector. These common RF antenna connectors are good for up to 6 GHz or so, and are nearly universal.
However, for larger antennas such as those for 433 MHz or 900 MHz signals, we may want to have a large stick antenna, which is panel mounted. For those situations we’ll want to connect a standard SMA-type antenna! SMA connectors can also be on a PCB but they’re pretty big and are not SMT, so it’s common to use a uFL to SMA adapter cable. Where to get those? Why, Digi-Key, of course!
See the chosen part on Digi-Key.
See episodes of The Desk of Ladyada in the playlist here and other Great Searches in the playlist here.
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