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270-350MHz omnidirectional fiberglass antenna for outdoor use GLU3FG1B

Precise low-frequency coverage, suitable for specialized communication scenarios: Designed specifically for the 270-350MHz low-frequency band, this band offers strong signal penetration and long transmission distance, making it widely used in industrial wireless intercom, emergency command, agricultural IoT, and other fields.
  • GLU3FG1B

  • Asialeren

  • 8517710000

  • 50pc

  • Accepted

  • 10000pc/day

  • GLU3FG1B.pdf

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Electrical Specifications

Frequency Range (MHz)

270-350

Horizontal beam width(°)

360

Vertical beam width (°)

60

Gain (dBi)

1

Polarization

Vertical

VSWR

≤2.0

Maximum input power (W)

150

Impedance (Ω)

50

Mechanical Specifications

Dimensions (mm)

Φ20×300

Antenna weight (Kg)

0.2

Radome material

fiberglass

Radome color

grey

Input connector type

N-K

Environmental indicators

Usage scenarios

Outdoor

Operating temperature (℃)

-40 to +70

Humidity range (%)

5 to 95

Maximum wind speed (km/h)

200

Installing the Hardware

Installation

Connector fixing

Product Introduction

1. High Power Handling Capacity, Supporting 150W Input

This antenna is designed for high-power communication systems, ensuring stable signal transmission and suitable for applications requiring long-distance or high-reliability communications, such as industrial remote control or public safety networks.

2. Omnidirectional Radiation Pattern, 360° Horizontal Coverage

With a horizontal beamwidth of 360° and a vertical beamwidth of 60°, it provides uniform, all-around signal coverage without frequent reorientation, making it ideal for multi-node wireless networks or mobile communications.

3. Durable Fiberglass Housing

Made of high-quality gray fiberglass, the housing is corrosion-resistant and UV-resistant, making it suitable for long-term outdoor use. Combined with a lightweight design (only 0.2kg), it is easy to install and durable.

4. Wide Operating Temperature Range and High Environmental Adaptability

With an operating temperature range of -40°C to +70°C, a humidity range of 5% to 95%, and a maximum wind speed of 200 km/h, it can operate stably in extreme climates and is suitable for field, maritime, and high-altitude operations.

5. Low VSWR (≤2.0) and 50Ω Impedance Matching

A voltage standing wave ratio as low as 2.0 ensures high signal transmission efficiency and minimal reflection loss. Paired with a standard 50Ω impedance, it is compatible with most communication devices and improves overall system performance.


Application Scenarios

●Industrial Wireless Communications: Used for factory automation, PLC remote control, and sensor data acquisition.

●Public Safety and Emergency Communications: Radio system relays for police, fire, and rescue teams.

●Remote Monitoring and Telemetry: Environmental monitoring, oil and gas pipeline monitoring, and agricultural IoT.

●Maritime and Marine Communications: Corrosion-resistant design suitable for use at sea or in coastal areas.

●Outdoor Broadcast and Television Relay: Extends signal coverage, suitable for mountainous or remote areas.

●Military and Defense Communications: High reliability and a wide temperature range meet demanding mission requirements.


FAQ

Q: What is the frequency range of this antenna?

A: The frequency range is 270-350MHz, making it suitable for various wireless communication systems in this band.


Q: The antenna gain is only 1dBi. Is it suitable for long-distance communications? A: 1dBi gain is suitable for short- to medium-range omnidirectional coverage. For longer range, a high-gain antenna or amplifier is recommended.


Q: Is the antenna waterproof and weather-resistant?

A: Yes. The fiberglass housing and wide humidity range (5%-95%) ensure excellent waterproof and weather resistance.


Q: What is the maximum input power? Will it overheat?

A: The maximum input power is 150W. With excellent heat dissipation, it will not overheat under normal use.


Q: What is the connector type? Is it compatible with common devices?

A: The input connector is an N-K type with a standard 50Ω impedance, making it compatible with a wide range of industrial radio equipment.


Q: What are the weight and dimensions of the antenna? Is it portable?

A: Dimensions are Φ20 × 300mm and weigh only 0.2kg, making it lightweight and portable, suitable for mobile or temporary deployments.


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