Broadband UHF 4-stack dipole array, 304 stainless steel, 400-520 MHz, dual cable, dual N-type females, 250W per input, 5.5 dBd – 2.5m

Broadband UHF 4-stack dipole array, 304 stainless steel, 400-520 MHz, dual cable, dual N-type females, 250W per input, 5.5 dBd - 2.5m

Product code: S4B44-2CPHSS

The S4B44-2CPHSS broadband UHF 4-stack dipole array is a high-performance solution for Terrestrial Trunked Radio (TETRA), Land Mobile Radio (LMR), and Government Radio Network (GRN) applications, covering the 400-520 MHz frequency range. Constructed from 304 stainless steel, this dual-cable, dual N-type female antenna delivers robust durability, exceptional corrosion resistance, and long-term reliability in harsh environments, making it ideal for tower, mast, and fixed infrastructure installations.

Engineered with 2 x upper and 2 x lower dipoles phased via dual internal harnesses, the S4B44-2CPHSS supports TX and RX, dual transmit, or combined transmit and receive requirements from a single antenna. Its compact 4-stack design maximizes gain while minimizing tower footprint, providing a cost-effective, high-performance UHF solution for professional communication networks. For applications requiring higher gain, the antenna can be externally phased into a 4-bay configuration without compromising signal integrity or reliability, or alternatively utilise our S4B44-1CPHSS.

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Frequency

400-520 MHz - UHF, TETRA, LMR and GRN compatible

Bandwidth

Full frequency range stated - 120 MHz

Gain

5.5 dBd

Tuning

Factory at 1.5:1 VSWR

Impedance

50 Ohms - nominal

H Plane beamwidth

192° ± 2dB

E Plane beamwidth

62°

Maximum Power

250 Watts per input

Polarisation

Vertical

PIM 3rd Order (2x20W)

< -120dBc

Front-to-back

3.0dB

DC grounded

Yes

Construction

Welded 304 stainless steel boom, dipole stand-offs and folded dipoles, dual internal coaxial phasing harnesses, dual 1m external RG213 cables with tri-metal plated N-type female fitted

Connector

2 x N-type females fitted to 2 external cables bottom exit or specify requirements

Dimensions

Height: 2.5m, Boom dia: 50.8mm, Mount section: 500mm x 50.8mm O.D.

Weight - kg

18

Wind load at 160kph

30.0kg, 0294kN

Working Temperatures

-15°~65°C

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