Aerix
Illustration of a white dual-port sector panel antenna on a stub pole on the flat roof of an office building
Manufacturer photo of the white sector panel antenna on its tilt bracket and pole clamps

The main picture is illustrative, generated to show how the antenna looks once installed. Alongside it is the manufacturer's own photograph.

TDB-3800-4200X-16-120

n77 90° dual-polarised sector antenna, 2-port

±45° cross-polarised 90° sector panel for 3.8–4.2 GHz, 14 to 16 dBi measured, 2 × N-female, for 2×2 MIMO radios.

3.8–4.2 GHz14–16 dBi86° × 8°2 × N-female, ±45°

Buy online

£556.36ex VAT

Supplied to order: allow 4 to 12 weeks. We have a small amount of antennas in stock in the UK, so please send us an enquiry and we will do what we can to help.

1 × £556.36£556.36
UK delivery, £5 per antenna£5
Subtotal excluding VAT£561.36
VAT at 20%£112.27
Total including VAT£673.63

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About this antenna

The same panel as our 120° sector, but cross-polarised at ±45° with a port for each polarisation, so a single radome serves both chains of a 2×2 MIMO radio. Most 5G small cells are 2T2R or better, and feeding both chains from one antenna halves the hardware on the pole.

The beam is narrower, around 86°, which buys reach. The manufacturer's measurements show 14.0 to 16.0 dBi across the band, peaking at 4.0 GHz, with better than 24 dB front-to-back ratio. Four of these on one pole cover a full circle; one or two on a building face usually cover what matters.

Where it fits

  • Rooftop stub poles and wall brackets on commercial buildings.
  • 2T2R small cells, feeding both MIMO chains from one radome.
  • Sites that need reach in one direction more than coverage all round.

Specification

Electrical

Frequency range3800–4200 MHz
Gain14 dBi datasheet (14.0 to 16.0 dBi measured)
VSWR≤ 1.8
Polarisation±45°
Port-to-port isolation≥ 23 dB
Front-to-back ratio≥ 23 dB
Horizontal beamwidth86° (82° to 93° measured)
Vertical beamwidth8°
Impedance50 Ω
Maximum input power100 W
Lightning protectionDC ground

Mechanical

Connectors2 × N-female
Dimensions615 × 115 × 55 mm
Weight4.8 kg with bracket
ReflectorAluminium
RadomeUV-stabilised PVC
Rated wind velocity210 km/h
Operating temperature−40 °C to +65 °C
Mounting poleØ38 to Ø52 mm, with tilt bracket

Radiation pattern

0°30°60°90°120°150°180°-150°-120°-90°-60°-30°-10-20-30
Horizontal (azimuth)
0°30°60°90°120°150°180°-150°-120°-90°-60°-30°-10-20-30
Vertical (elevation)
Gain
16.0 dBi
Horizontal beamwidth
87°
Vertical beamwidth
8°
Front-to-back
32 dB

Manufacturer range measurements, August 2022, port 1 (+45°) at 4.0 GHz. Boresight is at the top of each plot and angles are measured from it. Rings are at 0, −10, −20 and −30 dB relative to the peak; the dashed ring marks −3 dB, where beamwidth is measured. The faint traces are the other measured frequencies. Beamwidths and front-to-back ratio are worked out from the measurement data.

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