26.5 GHz SMA Jack — Right-Angle, End Launch
The 901-10510-3: That frequency ceiling puts it above the standard 18 GHz SMA — it handles Ku-band and the lower Ka-band without rolling off.
The gold-over-nickel interface on the female socket keeps contact resistance stable across those cycles — you won't see the insertion loss drift that a tin-plated SMA would show after a couple hundred mates. For a one-time install in a sealed module, 500 cycles is overkill; for a calibration port or a production test point, it's the difference between a connector that lasts the product's life and one that needs replacing mid-cycle.
Board Layout Fit — End Launch, Right Angle
The threaded barrel extends past the board edge, so the mating SMA plug threads on from the side.