Is the AR0309 directional and what gain does it provide?

Yes. It is a directional broadband log-periodic antenna with 10 dBi gain.

What are the connector options and max power ratings?

Connector options are N (female) or 7/16 (female). Max power is 200 W with N and 1000 W with 7/16.

AR0309 log-periodic antenna for civil and military use 108-136 MHz

Q: What is the frequency range of the AR0309?

The AR0309 covers 108-136 MHz with 28 MHz bandwidth.

Q: What VSWR and impedance are specified?

VSWR is <= 1.5 and nominal impedance is 50 ohm.

Q: Which polarization and beamwidth values are provided?

Polarization is V/H. Typical -3 dB beamwidth is 50 deg (E-plane) and 80 deg (H-plane).

Q: Does it include lightning protection and which accessory is available?

All metal parts are D.C. grounded. Accessory clamp: AR0309F, 1 clamp, diameter 40-114, weight 7 kg.

AR0309 log-periodic antenna for civil and military use 108-136 MHz

108 - 300 MHz

MOD. AR0309 - COD. ARLP2A910.Z
Broadband log-periodic antenna for civil and military communications in the 108-136 MHz air-band range.

Engineered for professional VHF systems where a wide operating band and a directional radiation pattern are required, the AR0309 supports stable links and monitoring activities in aeronautical communication scenarios and mission-critical radio networks.

Antenna designed and manufactured in Italy.

AR0309 Broadband log-periodic antenna for civil and military use 108 - 136 MHz Protel

ELECTRICAL DATA

Frequency range (MHz): 108-136

Bandwidth (MHz): 28

Gain (dBi): 10

VSWR: <= 1.5

Nominal impedance: 50 Ohm

Polarization: V/H

E beamwidth typ. -3 dB: 50 deg

H beamwidth typ. -3 dB: 80 deg

Front-to-back ratio (dB): >= 25

Max power (W): N = 200, 7/16 = 1000

Connector: N (female) or 7/16 (female)

Lightning protection: All metal parts are D.C. grounded

MECHANICAL DATA

Dimensions (mm): 1600 x 1400

Weight (kg): 4

MATERIALS

Aluminium - Teflon

ACCESSORIES

AR0309F - 1 clamp - diameter 40-114 - weight 7 kg

The log-periodic (logarithmic) broadband design enables coverage of the full band with consistent performance, making the AR0309 suitable for fixed sites and professional installations that demand repeatable results.

Typical applications include airport and aeronautical communications, VHF air-band monitoring, ground-to-air links and directional coverage where control of the radiation pattern and reduced interference pickup are beneficial.

Suitable for systems requiring high directivity, robust construction and DC-grounded metal parts for improved operational reliability.

Frequently asked questions about AR0309

Quick answers about the AR0309 broadband log-periodic antenna for civil and military VHF communications in the 108-136 MHz air-band range.

What is the operating frequency range?

The AR0309 covers 108-136 MHz with 28 MHz bandwidth.

Is it directional and what gain does it provide?

Yes, it is directional and provides 10 dBi gain.

What VSWR and impedance are specified?

VSWR is <= 1.5 and nominal impedance is 50 Ohm.

Which polarization and beamwidth values are provided?

Polarization is V/H. Typical -3 dB beamwidth: 50 deg (E-plane) and 80 deg (H-plane).

What are the connector options and max power?

N (female) or 7/16 (female). Max power: 200 W with N, 1000 W with 7/16.

Does it include lightning protection and mounting accessory?

All metal parts are D.C. grounded. Accessory clamp: AR0309F, 1 clamp, diameter 40-114, weight 7 kg.

AR0309 log-periodic antenna for civil and military use 108-136 MHz - Protel Antennas - Professional Antennas for Telecomunications

AR0309 log-periodic antenna for civil and military use 108-136 MHz

Frequently asked questions about AR0309

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