Page 20 - LWEXEX SCADA TELEMETRY

BASE STATION ANTENNAS Center-Fed-Folded Dipole for the 380-470 MHz Band BY70- D W

Single, 0 dBd folded dipole incorporating a balun optimized for wide bandwidth and accurate matching. The entire
balun unit is completely sealed in a polyamide (�A) screw cap ensuring permanent waterproof connections. The
dipole have been constructed with high-quality aluminum to prevent corrosion. All metal parts are DC-grounded.
The antenna is supplied with clamp for mounting on 27-40 mm diameter mast tubes.

specifications
Type DIPOLE
ELECTRICAL
Frequency Range 380-470 MHz
Band width 40 MHz
SWR < 1.5
Gain 0 dBd (2.15 dBi)
Impedance 50 Ω
Max Power 150 W
Polarization Vertical; Horizontal
Antistatic protection DC-grounded (Connector
shows a DC-short)
Connector N (female)

MECHANICAL
Weight 2.5 kg
Mounting 27-40 mm mast tube
Material epoxy-coated aluminum
Wind Load 150 km/h

ORDERING DESIGNATIONS
Type Frequency
BY70-D/l 380-420 MHz
BY70-D/m 405-445 MHz
BY70-D/h 430-470 MHz

RADIATION PATTERN (E-PLANE) RADIATION PATTERN (H-PLANE) TYPICAL SWR CURVE

+30° +60° +90° +60° +30° +300° +330° 0° 30° 60° 2.0

SWR 1.5
+3 0 -3 -6 -9 -9 -6 -3 0 +3 +3 0 -3 -6 -9 -9 -6 -3 0 +3
0° 0° 270° 90° 1.0
380 BY70-D/l 420
405 BY70-D/m 445
430 BY70-D/h 470
-30° -60° -90° -60° -30° 240° 210° 180° 150° 120° freq. MHz