The (2) 881-70-HDWBTM is a dual 881-70 bidirectional antenna with two feed cables. This antenna is heavy-duty, black anodized, top mount, well suited for multi-coupled systems due to its wide bandwidth.
Fully welded and black anodiezd design for use in extreme environmental conditions. It has internal cabling and a fixed dipole to mast spacing.
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The (2) 881-70-HDWBTMLM is a dual 881-70 bidirectional antenna with two feed cables. This antenna is heavy-duty, black anodized, top mount, well suited for multi-coupled systems due to its wide bandwidth.
Fully welded and black anodized design for use in extreme environmental conditions. It has internal cabling and a fixed dipole to mast spacing.
| Frequency Range, MHz | 138-174 |
|---|---|
| Nominal Gain, dBd | 3.0 |
| Bandwidth: 1.5:1 VSWR, MHz | 36 |
| Number of Dipoles | 2 Sets of 2 |
| Isolation between the two sets of dipoles, dB | 22 |
| Polarization | Vertical |
| Pattern | Bi-directional |
| Power Rating, Watts | 450 |
| Nominal Impedance, Ohms | 50 |
| Lightning Protection | DC Ground |
| Standard Termination | N Male |
| Length, in (mm) | 132 (3359) |
| Width, in (mm) | 30 (762) |
| Weight, lbs (kg) | 150 (68) |
| Rated Wind Velocity: no ice, mph (km/h) | 110 (177) |
| Rated Wind Velocity: 0.5" (13 mm) Ice, mph (km/h) | 80 (129) |
| Lateral Thrust @ 100 mph wind, lbs (kg) | 236 (1050) |
| Bending Moment @ top clamp: 100 mph, ft*lb (kg*m) | 1264 (1714) |
| Mounting Information Mast O.D. | 2.9’’ (73) |
