SparkFun Antenna - SMA, 2dBi (433MHz)
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Fit an SMA antenna to a compatible radio project with this 433 MHz version. The two-decibel gain specification and two-hundred-millimeter length describe the physical radio accessory, with its frequency marked on the antenna. It provides an antenna component rather than a complete wireless link, whose behavior depends on the radio and installation.
Before you buy
Verify frequency, connector polarity and regional radio requirements before attaching the antenna.
SparkFun SKU: WRL-20856 · Category: Radio antennas
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Official product specifications and documentation
EAR summary based on supplier documentation; this is not a hands-on review. Product identity rechecked during the October 25, 2026 sprint. SparkFun Originals eligibility was verified with the supplier’s Original: Yes filter on 2026-10-25. Affiliate eligibility remains subject to SparkFun's program terms.