The Sirio GPA 135-175 is a omidirectional low gain, mono band base station antenna. Suitable for land and marine service.

Main Features:

Base station antenna, Mono-band

Omnidirectional, Unity gain

Made of aluminium alloy 6063 T-832

Tunable by whip length adjusting

Side mast mounting allowed by optional bracket FT-2 code 2510004.00

P/N 2101601.00 GPA 135-175

Electrical Data

Type: 1/4λ ground plane

Frequency range: tunable from 135 to 175 MHz

Impedance: 50Ω unbalanced

Radiation (H-plane): 360° omnidirectional

Radiation (E-plane): beamwidth at -3 dB = 86Â°

Radiation angle: 0°

Polarization: vertical

Gain: 0 dBd - 2.15 dBi

Bandwidth at V.S.W.R. 2:1: 13 MHz at 135 MHz

V.S.W.R. at res. freq.: ≤ 1.2:1 at start freq.

Max. power: 300 Watts

Feed system / position: direct / centre

Connection: UHF-female

Mechanical Data

Materials: Aluminium, Chromed brass, Nylon

Wind load / resistance: 29 N at 150 Km/h - 180 Km/h

Wind surface: 0.03 m²

Height (approx.): 960 mm

Weight (approx.): 520 gr

Radial length (approx.): 520 mm

Mounting mast: 35-40 mm

Allow Backorder in Clerk.io	No
Product Condition	New
Bar Code/EAN	8056182113108
Manufacturer	Sirio
Frequency Band	VHF
Frequency MHz	144 MHz (2m), VHF (30 to 300 MHz)
Antenna Connection	SO239
Item returned for technician testing period	14 days
Repair period	90 days
Refund period	14 days
Exchange period	14 days

Description / Sirio GPA 135-175 1/4W Ground Plane Antenna

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