Antennas - VHF Exposed Dipoles Antenna - 870 LM Series (138-174 MHz) | Exposed Dipole Antennas

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870 LM SERIES VHF EXPOSED DIPOLES

The 870 LM Series VHF Exposed Dipoles are available in 1, 2, 4, 8, and dipole configurations. LM stands for “Less Mast”. The product includes the dipole, boom and clamps to mount the dipoles but no mast is supplied. Antennas can be customized to your applications. Available with black anodized coating. Adjustable-only, side or top mounted. Heavy-duty, rugged versions are available.

• The 870 LM series has external cabling and a field adjustable pattern

• Heavy-duty versions are available. Contact a COMPROD technical support technician.

872-70LM


138-174MHz
VHF EXPOSED DIPOLES

Electrical Specifications	871-70LM	872-70LM	874-70LM
Frequency Range, MHz	138-174	138-174	138-174
Nominal Gain, dBd	2.0-2.5	5.0-5.5	8.0-8.5
Number of Dipoles	1	2	4
Bandwidth: 1.5:1 VSWR, MHz	36	36	36
Polarization	Vertical	Vertical	Vertical
Pattern	Offset	Offset	Offset
Power Rating, Watts	200	450	500
Nominal Impedance, Ohms	50	50	50
Lightning Protection	DC Ground	DC Ground	DC Ground
Standard Termination	Type N Male	Type N Male	Type N Male
Mechanical Specifications
Length, in (mm)	Mast Not Incl.	Mast Not Incl.	Mast Not Incl.
Width (1/2 Wave Spacing), in (mm)	40 (1016)	40 (1016)	40 (1016)
Weight, lbs (kg)	4.5 (2.0)	19 (8.6)	38 (17.2)
Rated Wind Velocity: No Ice, mph (km/h)	150 (241)	150 (241)	150 (241)
Rated Wind Velocity:	135 (217)	135 (217)	135 (217)
0.5" (13mm) Ice, mph (km/h)	135 (217)	135 (217)	135 (217)
Lateral Thrust @ 100mph wind, lbs (kg)	20 (9.1)	40 (18.2)	80 (36.5)
Projected Area, ft² (m²)	0.92 (0.08)	1.84 (0.17)	3.64 (0.34)
Mounting Hardware Supplied	181-85	115R-85	115R-85


Order Information	Heavy Duty	Black Anodized	W/Mast
871-70LM	871-70LMHD	871-70LMHDB	871A-70
872-70LM	872-70LMHD	872-70LMHDB	872A-70
874-70LM	874-70LMHD	874-70LMHDB	874A-70