📏 Specifications (from RF Coax Inc.)
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Type: 0.086″ (2.2 mm) hand‑formable micro‑coax (UT‑85‑Form), RoHS-compliant
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Connectors: 1.85 mm male → 1.85 mm male (Precision Connector Inc. #3140 or equivalent), direct solder, straight
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Max Frequency: DC to 67 GHz (return loss > 16 dB to 65 GHz)
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Insertion Loss: Typical values:
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< 1.1 dB/ft at 18 GHz
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< 1.4 dB/ft at 27 GHz
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< 2.0 dB/ft at 40 GHz
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< 2.4 dB/ft at 67 GHz (+0.3 dB per connector)
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Length: 3″ (7.62 cm) end‑to‑end; between reference planes is 2.80″ (7.11 cm).
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Bend Radius: ≥ 0.125″ (3.2 mm) for installation; ≥ 0.375″ (9.5 mm) for repeated flexing
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Center Conductor: Magnetic‑steel core; outer: tin‑dipped braided copper
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Solder: Lead‑free SAC305 alloy, RoHS‑compliant
🧰 Use Cases & Context
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Often used for waveguide‑to‑coax or mixer interfacing in V‑band (50–67 GHz) test setups.
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Similar cables (hand‑formable 0.086″) appear in literature for microwave experiments with 2.4 mm connectors, showing adaptability in complex RF setups



