N Plug to N Plug Cable Assembly – 400 Series Low-Loss Coaxial Cable – Various Lengths | RFShop UK
Overview
N plug to N plug (conventional male both ends) cable assembly on 400 series low-loss coaxial cable (CLF400, LMR-400 equivalent), 1 m.
400 series cable offers significantly lower loss than RG58 or RG213, making it a practical choice for equipment jumpers, patch leads, and short test bench connections. The cable loss of 0.22 dB/m at 2.5 GHz has been verified by VNA measurement — see our test results page at rfshop.co.uk/test for swept data.
Specifications
| Connector 1 | N Plug – Conventional Male (50Ω) |
| Connector 2 | N Plug – Conventional Male (50Ω) |
| Cable | 400 Series Low-Loss (CLF400) |
| Impedance | 50Ω |
| Cable Loss | 0.22 dB/m at 2.5 GHz |
| Connector Loss | ~0.25 dB per connector |
| Cable OD | Approx. 10.3 mm |
| Jacket | UV-resistant PE |
| Frequency Range | DC – 6 GHz |
| Length | 1 m |
| Part Number | N30N30-400-1000 |
Assembly Loss Guide (at 2.45 GHz)
Calculated from 0.22 dB/m cable loss plus ~0.25 dB per connector. The 15 m figure has been confirmed by VNA measurement.
| Length | Approx. Total Loss |
| 0.5 m | ~0.6 dB |
| 1 m | ~0.7 dB |
| 2 m | ~0.9 dB |
| 3 m | ~1.2 dB |
| 5 m | ~1.6 dB |
| 10 m | ~2.7 dB |
| 15 m | ~3.8 dB * |
| 20 m | ~4.9 dB |
| 25 m | ~6.0 dB |
| 30 m | ~7.1 dB |
* Confirmed by VNA measurement — full sweep available at rfshop.co.uk/test
Typical Applications
• Antenna feedlines — Wi-Fi, cellular, PMR, amateur radio
• Base station and repeater connections
• Wireless infrastructure and site installations
• IoT, LoRa, and SCADA networks
• Test and measurement setups
• General-purpose 50Ω RF interconnects
Why 400 Series?
400 series sits in a useful middle ground for cable runs — meaningfully lower loss than RG58 or RG213, but still flexible enough to route without specialist tooling. The solid outer conductor shielding provides good screening for both indoor and outdoor installations. The UV-resistant PE jacket handles outdoor exposure.
If your application demands higher temperature handling (−55°C to +200°C), chemical resistance, or mil-spec construction, consider our RG393 N-to-N assemblies — see our other listings.
Available Lengths
0.5 m · 1 m · 2 m · 3 m · 5 m · 10 m · 15 m · 20 m · 25 m · 30 m
Need a length not listed? We build custom cable assemblies to order — contact us for a quote.
About RFShop
RFShop is a UK-based specialist supplier of RF connectors, cable assemblies, adapters, and accessories, supporting RF engineers, research labs, and telecoms professionals since 2001. Full technical articles and VNA-verified test data at rfshop.co.uk.