Description
LL400 Antenna Coax Cable
(CLF400, KSR400,®LMR400) Super Low Loss 50? Double Shielded 10.3mm
*These are the cables supplied as options to our antennas.
Best suited to Fixed-Wireless installations such as Office buildings and Homes.
Larger than ®LMR240 but lower loss and more rigid.
This version of coax is the same LL400 cable option supplied with our antenna kits and has SMA female and N male connectors.
For other connectors and lengths see our Made to Order LL400 product.
Double shielded by one layer of Aluminium foil and one close-knit copper braid make for a low-loss coax with 10.3mm overall diameter.
Its low signal attenuation figures make it well suited for use at Cell Phone frequencies.
LL400 Signal Loss 10m cable length
Frequency (MHz): 850 900 1800 2100 2400 (WiFi)
Attenuation (dB):
1.25 1.28 1.93 2.0 2.2
Outer Diameter: 10.3mm Impedance: 50?
Inner Conductor: 2.74mm Solid Copper or Cu over Aluminium
Outer Sheild: Bonded Aluminum Foil + Tinned Copper Braid
Dielectric: Physical Foam Polyethylene
There are many suppliers that manufacture coax cables to the ®LMR series specification.
Some suppliers cut corners, producing sub-standard coax which does not conform.
Our High Quality Coax
Fully Tinned Copper Outer Braid
Resist corrosion and electrolysis
Strong mechanical connection
Lower loss over long lengths
Greater than 90% Braid Coverage
Lower signal loss
Bonded Foil Second Shield
Consistent Impedance
Correct Inner & Outer Conductor Diameter
Correct impedance.
Foam Polyethylene/Air Dielectric
Cheap Poor Quality Coax
Bare Copper Outer Braid
No Corrosion resistance
Weak mechanical connection
Less than 75% Braid Coverage
Signal loss by radiation
Loose Foil Second Shield
Inconsistent Impedance
Undersized Inner & Outer Conductor Diameter
Loose fit to crimp connectors
Poor impedance match
Solid Polyethylene Dielectric
Higher signal loss
LMR400 vs LMR240 coax cable loss®LMR is a registered trademark of Times Mircowave Systems USA
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