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How to Perform a Return Loss Sweep for RF Cable & Antenna Testing

August 27th, 2025

1 min. read | By Bird Applications Team

Topics:

Antennas & Feedlines
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How to Perform a Return Loss Sweep for RF Cable & Antenna Testing


Return loss sweeps help RF technicians quickly identify mismatches, damaged cables, loose connectors, water ingress, and antenna issues before they become system failures. In this guide, we show how to perform a return loss sweep using the Bird SiteHawk Cable & Antenna Analyzer and explain how to interpret the results in the field.

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Bird Applications Team

Applied RF know-how from Bird engineers—field-tested techniques, measurement methods, and troubleshooting.

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