JEFA Tech Blog

Pair text with an image to focus on your chosen blog.

  • All

  • coax

  • connectors

  • cradlepoint

  • ham radio

  • mobile broadband

Low Loss 400 Installation Radius - Tightest Coil Diameter?
24 September, 2024

Low Loss 400 Installation Radius - Tightest Coi...

David asks "Due to foam core, what is the smallest coil diameter for LL400? Thanks" Answer: The tightest installation coil radius is 1", so roughly about a 3" diameter (measured...

24 September, 2024

Low Loss 400 Installation Radius - Tightest Coil Diameter?

David asks "Due to foam core, what is the smallest coil diameter for LL400? Thanks" Answer: The tightest installation coil radius is 1", so roughly about a 3" diameter (measured outside) of a completely round coil would be the tightest...

Read More
JEFA Tech 400 FLEX Center Conductor Measurement
05 September, 2024

JEFA Tech 400 FLEX Center Conductor Measurement

Dale asks "Can you provide me with the Outer Diameter, in thousands (as near as possible) of JefaTech's Low Loss 400-Flex center conductor? The spec sheet says (0.036). I believe...

05 September, 2024

JEFA Tech 400 FLEX Center Conductor Measurement

Dale asks "Can you provide me with the Outer Diameter, in thousands (as near as possible) of JefaTech's Low Loss 400-Flex center conductor? The spec sheet says (0.036). I believe...

Read More
400 vs 400 FLEX for UV Protection
18 March, 2024

400 vs 400 FLEX for UV Protection

Mike asks "I need to replace several runs of Times Microwave LMR-400UF. At the time I bought a 500-ft spool of it, they neglected to publish the fact that it...

18 March, 2024

400 vs 400 FLEX for UV Protection

Mike asks "I need to replace several runs of Times Microwave LMR-400UF. At the time I bought a 500-ft spool of it, they neglected to publish the fact that it...

Read More
Uniden SDS200 to OmniX base antenna cable recommendation
08 January, 2024

Uniden SDS200 to OmniX base antenna cable recom...

Question from John: I have a base scanner Uniden SDS200 that I am looking at doing about 75' run to an OmniX base antenna to pick up mainly 800 Mhz...

08 January, 2024

Uniden SDS200 to OmniX base antenna cable recommenda...

Question from John: I have a base scanner Uniden SDS200 that I am looking at doing about 75' run to an OmniX base antenna to pick up mainly 800 Mhz...

Read More
Which cable is best for my ham radio shack? HF 2m/440
29 December, 2023

Which cable is best for my ham radio shack? HF ...

Bruce asks:The situation: 1. HF: 35 feet to the hole in the wall of the house, then add 5 more to the radio.2. 2m/440: 41 feet to the hole in the...

29 December, 2023

Which cable is best for my ham radio shack? HF 2m/440

Bruce asks:The situation: 1. HF: 35 feet to the hole in the wall of the house, then add 5 more to the radio.2. 2m/440: 41 feet to the hole in the...

Read More
01 December, 2023

Which cable to choose for my 5G or 4G/LTE modem...

First is the cable type, we have 240F and 400F. The number refers to the diameter of the cable 0.240" and 0.400". The 240F is the smaller diameter of the...

01 December, 2023

Which cable to choose for my 5G or 4G/LTE modem/rout...

First is the cable type, we have 240F and 400F. The number refers to the diameter of the cable 0.240" and 0.400". The 240F is the smaller diameter of the...

Read More
10 March, 2022

JEFA Tech LL400 cable has a Copper Clad Aluminu...

A copper clad aluminum center conductor is the standard in the industry for RG-8 size low loss cable such as JEFA Tech Low Loss 400.  CCA is preferred due to...

10 March, 2022

JEFA Tech LL400 cable has a Copper Clad Aluminum cen...

A copper clad aluminum center conductor is the standard in the industry for RG-8 size low loss cable such as JEFA Tech Low Loss 400.  CCA is preferred due to...

Read More
10 March, 2022

Is JEFA Tech coax Plenum Rated?

JEFA Tech brand coax is not plenum rated.  However, we have plenum and low smoke rated cable available through partnerships with other manufacturers such as Times Microwave and Commscope.  We...

10 March, 2022

Is JEFA Tech coax Plenum Rated?

JEFA Tech brand coax is not plenum rated.  However, we have plenum and low smoke rated cable available through partnerships with other manufacturers such as Times Microwave and Commscope.  We...

Read More

Subscribe to our newsletter

Be the first to get notified about new arrivals, discounts, and bargain deals!