Electrical specifications |
KDA4-1450D15BT3 |
|
Frequency range (MHz) |
1447-1467 |
|
Polarization |
±45° |
|
Electrical Downtilt (°) |
3 |
|
Down-tilt Precision(°) |
±1 |
|
V.S.W.R. |
≤1.5 |
|
Isolation between Co-polarization Ports(dB) |
≥25 |
|
Isolation between Cross-polarization Ports(dB) |
≥28 |
|
Transmission from Any Column’s Port to Calibration Port(dB) |
-26±2 |
|
Max.Altitude Difference between Calibration Port and Each Radiation Port (dB) |
≤0.7 |
|
Max.Phase Difference between Calibration Port and Each Radiation Port (°) |
≤5 |
|
Single Column |
Horizontal -3dB Beamwidth (°) |
105±15 |
Gain(dBi) |
≥14.5 |
|
Cross Polar Radio (dB) |
≥18,(±60°≥10) |
|
Front-to-back Ratio(dB) |
≥25 |
|
Broadcasting Pattern |
Horizontal Beamwidth(°) |
65±5 |
Vertical Beamwidth(°) |
≥7 |
|
Gain(dBi) |
≥15.5 |
|
Edge level at ±60°(dB) |
12±2 |
|
Cross Polar Radio (dB) |
≥22,(±60°≥10) |
|
Front-to-back Ratio(dB) |
≥28 |
|
First Upper Side Lobe Suppression (dB) |
≤-15 |
|
First zero level(dB) |
≥-18 |
|
Traffic Beam Pattern |
Gain for Operation Pattern at 0° Direction (dBi) |
≥19.5 |
Horizontal Beamwidth for Operation Pattern at 0° Direction (°) |
≤29 |
|
Horizontal Minor Electric Level for Operation Pattern at 0° Direction (dB) |
≤-12 |
|
±60° Direction Gain(dBi) |
≥18.5 |
|
Horizontal Beamwidth for Operation Pattern at ±60° Direction (°) |
≤34 |
|
Horizontal Minor Electric Level for Operation Pattern at ±60° Direction (dB) |
≤-5 |
|
Cross Polar Radio for Operation Pattern at 0° Direction (Main-direction) |
≥22 |
|
Front-to-back Ratio for Operation Pattern at 0° Direction (dB) |
≥28 |
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