871F-70-F Exposed Dipole (FM)
Gain: 2.0-2.5 dBd
Frequency Range, MHz
Nominal Gain, dBd
Bandwidth: 1.5:1 VSWR, MHz
Number of Dipoles
Power Rating, Watts
Nominal Impedance, Ohms
Length, in (mm)
Width (3/8 Wave Spacing), in (mm)
Weight, lbs (kg)
Rated Wind Velocity: no ice, mph (km/h)
Rated Wind Velocity: 0.5" (13 mm) Ice, mph (km/h)
Lateral Thrust @ 100 mph wind, lbs (kg)
Bending Moment @ top clamp: 100 mph, ft*lb (kg*m)
Projected Area, ft² (m²)
Mounting Information Mast O.D.
The 870 FM exposed dipole series are available in 1, 2, 4 dipole configurations. All of our antennas can be completely customized to your particular applications. Our antennas can be black anodized. Adjustable, or fixed, side or top mount, and many version of heavy-duty ruggedness.
• Each antenna is offered in a 1/4 or 3/8 wave spacing version.
• The 871A-70-F has external cabling and a field-adjustable pattern.
• The 871F-70-F has internal cabling and fixed dipole-mast spacing.
• Heavy-duty versions are available. Please contact a technical support technician for consultation.
Heavy-duty Side Mount Top Mount Black Anodized 871F-70-F 871A-70-F 871F-70-FHD 871F-70-FSM 871F-70-FTM