LMR 240 Low Loss Flexible Coaxial Cable.

The LMR-240 is a flexible, low-loss communications coax cable ideal for a wide range of wireless applications.
It offers exceptional performance specifications, including low attenuation, high shielding effectiveness, and a wide temperature range.
The cable is available with a diverse selection of connector options to suit various application requirements.
Times Microwave Systems provides a comprehensive range of accessories and tools to support the installation and maintenance of the LMR-240 cable.

In the dynamic world of wireless communications, the selection of the right cable can make all the difference in the performance and reliability of your system. Enter the LMR-240, a flexible low-loss communications coax from Times Microwave Systems, the industry leaders in high-performance cable solutions.

The LMR-240 is a versatile cable that excels in a wide range of applications, from jumper assemblies in wireless communications systems to short antenna feeder runs for WLL, GPS, LMR, and mobile antennas. Its exceptional design and construction make it an ideal choice for any application requiring an easily routed, low-loss RF cable, such as WLAN, WISP, WiMax, SCADA, and more.

Key Features and Specifications

Property	Value
Ideal For	Jumper assemblies in wireless communication systems Short antenna feeder runs (e.g., WLL, GPS, LMR, mobile antennas) Applications such as WLL, GPS, LMR, WLAN, WISP, WiMax, SCADA, and mobile antennas requiring an easily routed, low-loss RF cable
Installation Temperature Range	-40°C to +85°C (-40°F to +185°F)
Storage Temperature Range	-70°C to +85°C (-94°F to +185°F)
Operating Temperature Range	-40°C to +85°C (-40°F to +185°F)
Bend Radius (Installation)	0.75 in (19.1 mm)
Bend Radius (Repeated)	2.5 in (63.5 mm)
Bending Moment	0.25 ft-lb (0.34 N-m)
Weight	0.034 lb/ft (0.05 kg/m)
Tensile Strength	80 lb (36.3 kg)
Flat Plate Crush	20 lb/in (0.36 kg/mm)
Velocity of Propagation	83%
Dielectric Constant	1.42
Time Delay	1.21 ns/ft (3.97 ns/m)
Impedance	50 Ω
Capacitance	24.2 pF/ft (79.4 pF/m)
Inductance	0.060 μH/ft (0.20 μH/m)
Shielding Effectiveness	>90 dB
DC Resistance (Inner Conductor)	3.2 Ω/1000 ft (10.5 Ω/km)
DC Resistance (Outer Conductor)	3.89 Ω/1000 ft (12.8 Ω/km)
Voltage Withstand	1500 V DC
Jacket Spark Voltage	5000 V RMS
Peak Power	5.6 kW

Attenuation Performance

The LMR-240 boasts excellent attenuation performance, making it a top choice for low-loss RF applications. The chart below illustrates the typical attenuation values across a wide range of frequencies:

Frequency (MHz)	Attenuation (dB/100 ft)	Attenuation (dB/100 m)	Average Power (kW)
30	1.3	4.4	1.49
50	1.7	5.7	1.15
150	3.0	9.9	0.66
220	3.7	12.0	0.54
450	5.3	17.3	0.38
900	7.6	24.8	0.26
1500	9.9	32.4	0.20
1800	10.9	35.6	0.18
2000	11.5	37.7	0.17
2500	12.9	42.4	0.15
5800	20.4	66.8	0.10
8000	24.3	79.7	0.08