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Automotive and EV RF Cabling: FAKRA, Antennas and EMC Challenges
A vehicle GNSS receiver works with the powertrain off but loses margin during acceleration. The RF cable may be intact, yet switching noise, poor shield transitions or routing near high-current systems can degrade reception. An EV harness must be c… More
Posted on 10/13/2026
UHF (PL-259/SO-239) Connectors: Legacy Interface That Won't Die
PL-259 is the familiar UHF plug and SO-239 the matching receptacle used on many radio systems. The traditional UHF connector is a threaded, non-constant-impedance interface. Its name does not guarantee precision performance across the modern UHF fr… More
Posted on 10/13/2026
Marine and Offshore RF Cables: Corrosion, UV and Salt-Fog Survival
A boat antenna lead survives the first season but develops intermittent loss after salt spray and sun exposure. The connector face may look clean while moisture has entered the shield or a jacket has cracked at a support. Marine reliability needs m… More
Posted on 10/13/2026
Direct-to-Cell Satellite and IoT: What It Means for Ground Hardware
Direct-to-cell satellite and satellite IoT can change terminal and gateway requirements, but they do not create one universal satellite cable specification. Identify the service link, ground gateway architecture and actual RF interface before choos… More
Posted on 10/13/2026
RF Interconnects for Test Labs: Building a Reliable VNA Bench
A DUT passes in the morning and fails in the afternoon. The instrument is unchanged, but a test cable was moved and an adapter replaced. A VNA measures the path presented to it; calibration cannot make an unstable physical setup repeatable.Build a … More
Posted on 10/13/2026
Wi-Fi HaLow (802.11ah): Sub-GHz Wi-Fi and Its Antenna/Cable Needs
Wi-Fi HaLow uses IEEE 802.11ah technology in sub-1 GHz spectrum, so its antenna and cable must match the approved regional band and the device interface. A 2.4 GHz Wi-Fi antenna or familiar router connector is not automatically a suitable replaceme… More
Posted on 10/13/2026
Cellular Repeater and DAS Cable Selection: In-Building Coverage Guide
A cellular booster has strong donor signal outside, but a distant indoor antenna still delivers weak coverage. The branch includes a long feeder, splitter and several transitions. Turning up gain may create a new isolation problem instead of fixing… More
Posted on 10/13/2026
How a Custom Coaxial Cable Assembly Is Built, Step by Step
You send over a drawing: 3 meters of RG316, SMA plug on one end, right-angle TNC on the other, boots both ends, swept to 3 GHz. Two weeks later a bag of finished assemblies shows up. What actually happened in between is a chain of small, boring, … More
Posted on 10/13/2026
VNA Testing for Cable Assemblies: How VSWR and Insertion Loss Verification Works
A cable assembly can look perfect and still wreck your link budget. The braid can be broken under the jacket, the crimp can be loose on the dielectric, the center contact can sit 0.3 mm proud. None of that shows up on a visual check. It all shows… More
Posted on 10/13/2026
RG58 Attenuation: Datasheet Specs vs Real-World Loss
Someone runs 30 meters of RG58 up a tower for a 433 MHz link, checks the datasheet, expects about 4.5 dB of loss, and measures 7. The datasheet was not lying. The datasheet describes a new cable, at room temperature, terminated in a perfect 50 oh… More
Posted on 10/13/2026