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Product details

Flexible 0.405 in 50 Ohm

China-sourced compatible alternative — fit confirmed by drawing/spec review.

Part number (MPN)

LMR-400

Impedance

50 Ohm

Frequency

4.25 dB

Need a custom version from drawing?

We coordinate supplier-qualified RF connector and cable assembly sourcing from drawings, samples, or BOM. Typical production lead time is 3–6 weeks after drawing/spec review; feasibility, MOQ, and fit are confirmed by RFQ.

Custom RF cable from drawing →
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Lead time: 3–6 wks | MOQ: 200+ pcs
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  • Share the reference MPN and source brand if it matters.
  • Add the BOM and volume split for production projects.
  • Attach the drawing or the key fit requirements.

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LMR-400 product photo

LMR-400 product photo

Specifications

Specifications for LMR-400
InterfaceCoaxial Bulk Cable
InterfaceFlexible
InterfacePE (F)
InterfaceSolid
InterfaceCoax
InterfaceBulk coaxial cables by the Meter
Impedance50 Ohm
Frequency (max)6 GHz
Frequency (max)8 GHz
Generic NameLMR-400
Velocity of Propagation85 %
Gender0.405 in
Show 23 more specs
GenderPE
No. of Shields2
Frequency (max)4.25 dB
RF Shielding90 dB
Max Operating Temperature85 deg C
Inner Conductor, Number of Strands1
Minimum Bend Radius, One Time1 in
Minimum Bend Radius, Repeated4 in
CategoryCoaxial Bulk Cable
Order codeLMR-400
ConditionsN (The product is brand new)
Applicationhigh power | high shielding | low loss | outdoor
FlexibilityFlexible
External diameter10.29 mm
Dielectricfoam PE
GenderPE
Non-magneticNo
Country of originUS
EU Tariff Code85442000
Weight116.00 g
RoHSYes
REACHSVHC not present
Product Featuresorder_code: LMR-400

Description

Current reference data for LMR-400: 50 Ohm · 4.25 dB. Impedance is listed as 50 Ohm. If that parameter is critical, confirm it again in RFQ. Frequency is listed as 4.25 dB. The real operating limit still depends on the assembly, mating pair, and application context. If mounting is missing here, confirm it from the drawing or mating requirement. Material is listed as PE. That is useful for review, but it does not replace full project stack-up confirmation. Use this page to shortlist before RFQ, not as the final sign-off.

Use this page to shortlist before RFQ. MOQ 200+ custom production and supply path are confirmed after drawing/spec/BOM review; no spot stock is assumed.

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MPN Search Supports exact, prefix, and partial matching.

Supports exact, prefix, and partial matching.

Disclaimer

Manufacturer names, trademarks, symbols, and part numbers are used for identification and cross-reference only. Cstone Technology operates its own factory for RF/coaxial connectors, adapters, and cable assemblies and is not a trading company or affiliated with the original brands. Trademarks remain the property of their respective owners. Final suitability is confirmed by drawing/spec review during RFQ.