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870 FM SERIES EXPOSED DIPOLES
The 870 FM Series Exposed Dipoles are available in 1, 2, 4 dipole configurations. Antennas can be customized to your particular applications. Available with black anodized coating. Adjustable, fixed, side or top mounted. Heavy-duty, rugged versions are available.
• Offered in a 1/4 or 3/8 wave spacing versions. • The 87XA-70 has external cabling and a field-adjustable pattern. • The 87XF-70 has internal cabling and fixed dipole-mast spacing. • Heavy duty versions are available. Contact a COMPROD technical support technician. |
872F-70FM |
| 88-108 MHz | |||
| FM EXPOSED DIPOLES | |||
| Electrical Specifications | 871F-70FM | 872F-70FM | 874F-70FM |
| Frequency Range, MHz | 88-108 | 88-108 | 88-108 |
| 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 | 20 | 20 | 20 |
| Polarization | Vertical | Vertical | Vertical |
| Pattern | Offset | Offset | Offset |
| Power Rating, Watts | 200 | 450 | 450 |
| 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) | 114 (2896) | 198 (5029) | 350 (8890) |
| Width (3/8 Wave Spacing), in (mm) | 47 (1194) | 47 (1194) | 49 (1245) |
| Weight, lbs (kg) | 19.1 (8.7) | 37 (16.8) | 137 (62) |
| Rated Wind Velocity: No Ice, mph (km/h) | 150 (241) | 128 (206) | 105 (169) |
| Rated Wind Velocity: 0.5" (13mm) Ice, mph (km/h) | 118 (190) | 100 (161) | 84 (135) |
| Lateral Thrust @ 100mph wind, lbs (kg) | 75 (34) | 139 (63) | 332 (151) |
| Bending Moment @ top clamp: 100mph, lb*ft (kg*m) | 60 (8.2) | 596 (82) | 3565 (493) |
| Projected Area, ft² (m²) | 2.8 (0.26) | 5.3 (0.49) | 12.5 (1.17) |
| Mounting Information | Mast 2.4" (61mm) O.D. | Mast 2.4" (61mm) O.D. | Mast 3.5" (89mm) O.D. |
| Order Information | Adjustable | Heavy Duty | Side Mount | Top Mount | Black Anodized |
| 871-70FM | 871A-70FM | 871F-70FMHD | 871F-70FMSM | 871F-70FMTM | 871F-70FMHDB |
| 872-70FM | 872A-70FM | 872F-70FMHD | 872F-70FMSM | 872F-70FMTM | 872F-70FMHDB |
| 874-70FM | 874A-70FM | 874F-70FMHD | 874F-70FMSM | 874F-70FMTM | 874F-70FMHDB |
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871F-70FM |
Quaterwave Spacing |
Halfwave Spacing |
Quaterwave Spacing |
Halfwave Spacing |
872F-70FM |
|
874F-70FM |
Quaterwave Spacing |
Halfwave Spacing |
| Complete your RF solution |
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