PRODUCT SPECIFICATIONS
L-com HG5158-31D 31 dBi Broadband Parabolic Dish Antenna
The L-com HG5158-31D is a directional antenna for fixed wireless links operating within 5.15–5.85 GHz. Its 900 mm reflector provides 31 dBi gain for installations requiring focused coverage toward a remote site.
Use it with compatible external-antenna radios for backhaul, wireless bridges, and fixed wireless access. Its narrow radiation pattern requires accurate alignment and matching polarization at the opposite endpoint.
Key Features
- 31 dBi antenna gain.
- 4° horizontal and vertical beamwidths.
- One standard-polarity N-female RF connector.
- Vertical or horizontal polarization, selected by orientation.
- Aluminum reflector with a UV-stable light-gray polymer finish.
- Included tilt-and-swivel mast mount.
Directional Performance
The narrow beam concentrates coverage along the intended path. A published front-to-back ratio of at least 38 dB helps limit response to signals arriving behind the antenna.
RF Connectivity
The antenna uses a 50-ohm interface. Select a matching N-male connection and any required feed cable according to frequency, RF power, environmental conditions, and acceptable cable loss.
Outdoor Design and Mounting
Reflector perforations help reduce wind loading. The mounting kit supports alignment with up-or-down inclination adjustment from 0° to 30°. An optional radome is available separately.
Ideal Applications
- Point-to-point wireless bridges.
- Directional backhaul links.
- Fixed wireless access and remote-site connectivity.
Compatible Products
- Ubiquiti BulletAC-IP67-US airMAX Bullet AC Radio – A technically suitable single-port radio option for supported 5 GHz channels within the antenna's specified range. Use the matching N-type connection and verify mounting clearance.
Important: Configure the radio for 5 GHz operation; this antenna does not support 2.4 GHz. Account for 31 dBi antenna gain and feed losses when setting permitted radiated power. Match polarization at both endpoints. One HG5158-31D does not provide two independent RF feeds for a dual-port MIMO radio.
Technical Specifications
General
- Brand: L-com
- Model / MPN: HG5158-31D
- Product Type: Directional parabolic dish antenna
RF Specifications
- Frequency Range: 5150–5850 MHz (5.15–5.85 GHz), per the electrical specification table
- Bandwidth: 700 MHz
- Gain: 31 dBi
- Polarization: Horizontal or vertical, selected by orientation
- Horizontal Beamwidth: 4°
- Vertical Beamwidth: 4°
- Front-to-Back Ratio: ≥38 dB
- Impedance: 50 ohms
- Maximum RF Input Power: 100 W
- VSWR: Less than 1.5:1 average
- RF Connection: One standard-polarity N-female connector
Mechanical Specifications
- Reflector Diameter: 900 mm (35.4 in)
- Published Weight: Approximately 10 kg
- Reflector Material: Aluminum
- Finish: UV-stable light-gray polymer
- Mount: Tilt-and-swivel mast mount
- Mast Diameter: 38–76 mm (1.5–3 in)
- Inclination Adjustment: 0° to 30°, up or down
Environmental
- Operating Temperature: -40 to +85°C
- Design: Outdoor, weather-resistant construction
Included Parts and Options
- Dish antenna and feed assembly.
- Tilt-and-swivel mast-mount kit.
- Optional Accessory: HGR-09 radome cover, sold separately.
Download L-com HG5158-31D 31 dBi Parabolic Dish Antenna Datasheet (PDF)
