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INDUSTRY INSIGHTS

RF Chain, Antenna & EMC

Practical engineering guidance for RF feeder cables, connectors, adapters, antenna paths, insertion loss, grounding, shielding, impedance matching, EMI control, and antenna-side signal performance.
RF PA test cable loss compensation setup with a power sensor and power meter recording output power.
Performance Testing & Acceptance RF Chain, Antenna & EMC
07/03/2026

How to Verify Test Cable Loss Compensation in RF PA Acceptance

Test cable loss compensation can misstate RF PA approval. Check reference plane, raw Pout, correction source, frequency validity, and double-counting risk.
RF power amplifier shown in separate dummy-load bench testing and installed RF antenna-path testing states.
Performance Testing & Acceptance RF Chain, Antenna & EMC
07/02/2026

Dummy Load Testing vs Real Antenna Chain Checks

Dummy load testing can prove an RF PA baseline but not the installed RF path. See which reference planes and evidence buyers must compare before approval.
Cabinet RF routing inside a C-UAS PA cabinet showing module output paths, internal jumpers, and antenna routing for stable field deployment
Performance Testing & Acceptance RF Chain, Antenna & EMC
07/01/2026

How to Verify Cabinet RF Routing Before C-UAS PA Acceptance

Cabinet RF routing can look correct while the active path, reference plane, or PA/source state is wrong. Verify route evidence before C-UAS acceptance.
Airport C-UAS RF cabinet showing an RF power amplifier, filter, lightning protector, feeder cable, and rooftop antenna path
Performance Testing & Acceptance RF Chain, Antenna & EMC
06/25/2026

Does Feeder Loss Really Reduce RF Power Amplifier Gain?

Feeder loss can cut antenna-input power without reducing module gain. See where the loss occurs before rejecting, overdriving, or oversizing the RF PA.
RF Power Amplifier Gain Flatness review for fixed-site antenna coverage and low-altitude security systems
RF Chain, Antenna & EMC Selection & System Design
06/25/2026

Why Antenna Input Power Can Fail Even with Flat RF PA Gain

Antenna input power can fail even when RF PA gain flatness looks good. Check corrected Pout, path loss, VSWR, thermal state, and uncertainty before approval.
Engineer testing an RF PA module with a directional coupler, dummy load, and installed antenna path to diagnose frequency-specific VSWR.
RF Chain, Antenna & EMC Reliability & Troubleshooting
06/18/2026

Why Frequency-Specific VSWR Appears in RF PA Systems

Frequency-specific VSWR can trigger at one critical frequency even when other points pass. See why replacing the PA may be wrong—and what evidence proves the cause.