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7dBi LORA Yagi Antenna with N Female Connector GL-DYU4YG3S

With a horizontal half - power beamwidth of 120° and vertical of 70°, it covers a relatively wider area, making it suitable for scenarios where broader directional coverage is needed.
  • GL-DYU4YG3S

  • Asialeren

  • 8517710000

  • GL-DYU4YG3S.pdf

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Electrical Specifications

Frequency Range (MHz)

380-470

Bandwidth (MHz)

20

Horizontal Half-power Beamwidth (°)

120

Vertical Half-power Beamwidth (°)

70

Gain (dBi)

7

Polarization

Vertical or Horizontal

VSWR

≤1.5

Front to Back Ratio (dB)

≥15

Average Power, Maximum (W)

100

Impedance (Ω)

50

Mechanical Specifications

Antenna Length (cm)

50

Net Weight (kg)

0.3 (installation kit included)

Number of Elements

3

Element Materials

Solid Aluminum (Welded)

Cable Length (CM)

38 (15 inches)

Connector

N Female

Environmental Specifications

Application

Outdoor

Operating Temperature (℃)

-40 to +70 (-40 to 158℉)

Humidity (%)

5 to 95

Survival Wind Velocity (km/h)

200

Mounting Specifications

MOUNTING BRACKETS ARE INCLUDED UNLESS OTHERWISE SPECIFIED

Mounting Mast Diameter (mm)

Φ 40 to 50

Product Introduction

  1. Optimal Gain: Offering a gain of 7dBi, it provides enhanced signal strength for reliable LORA communication within its frequency range, suitable for short - to - medium - range applications.

  2. Moderate Bandwidth: A 20 MHz bandwidth in the 380 - 470MHz frequency range helps in efficient signal transmission with reduced interference.

  3. Wider Beamwidth: With a horizontal half - power beamwidth of 120° and vertical of 70°, it covers a relatively wider area, making it suitable for scenarios where broader directional coverage is needed.

  4. Durable Material: Made of solid welded aluminum, it is built to last in outdoor environments. It can operate in temperatures from - 40°C to + 70°C and withstand a wind velocity of 200 km/h.

  5. User - friendly Setup: Comes with an N - Female connector and installation kit for poles with a diameter of 40 to 50 mm, making installation quick and easy.

Application scenarios

  • Localized Industrial Monitoring: In smaller industrial areas or factories, it can be used to connect LORA - based sensors for equipment monitoring and asset tracking within a limited range.

  • Smart Home Extensions in Rural Areas: For extending smart home systems in rural or suburban areas where traditional Wi - Fi may have limitations, it can enable communication between smart devices over a short - to - medium distance.

  • Campus - wide IoT Applications: In educational campuses, it can be used to establish a LORA - based IoT network for applications like access control, environmental monitoring in buildings, and tracking of mobile assets.

  • Small - scale Environmental Monitoring: For monitoring environmental parameters such as air quality, noise levels in a local area, where sensors need to communicate with a central hub.

  • Community - based Wireless Networks: In small communities, it can help set up wireless networks for sharing resources, such as internet access or security - related information.

Comparison of GL-DYU4YG3S and GL-DYUAYG12S LoRa Yagi Antennas

ParameterGL-DYU4YG3SGL-DYUAYG12S
Frequency Range380–470 MHz380–470 MHz
Gain7 dBi12–14 dBi
Horizontal Beamwidth120°40°
Vertical Beamwidth70°35°
Front-to-Back Ratio≥15 dB≥18 dB
Antenna Length50 cm128 cm
Weight0.3 kg (with kit)1.5 kg (with kit)
Number of Elements310
Survival Wind Velocity200 km/h200 km/h

Key Differences

  1. Gain and Beamwidth:

    • GL-DYU4YG3S: Lower gain (7 dBi) with wider coverage (120° horizontal, 70° vertical), ideal for broader area applications.

    • GL-DYUAYG12S: Higher gain (12–14 dBi) and narrower beam (40° horizontal, 35° vertical), optimized for long-range directional communication.

  2. Size and Weight:

    • GL-DYU4YG3S: Compact (50 cm) and lightweight (0.3 kg), suitable for space-constrained or portable setups.

    • GL-DYUAYG12S: Larger (128 cm) and heavier (1.5 kg), requiring robust mounting infrastructure.

  3. Performance:

    • GL-DYUAYG12S offers better front-to-back ratio (≥18 dB vs. ≥15 dB), reducing interference from rear signals.

    • With 10 elements vs. 3, GL-DYUAYG12S provides superior directional focus and signal penetration.

  4. Cable and Installation:

    • Both include N-female connectors and support Φ40–50 mm masts.

    • GL-DYU4YG3S has slightly longer cable (38 cm vs. 30 cm), but differences are minor.


Recommendation

  • Choose GL-DYU4YG3S if:

    • You need wide coverage for short-to-medium-range applications (e.g., urban deployments, IoT networks).

    • Installation space is limited, or portability is a priority.

    • Cost or simplicity of setup is a concern.

  • Choose GL-DYUAYG12S if:

    • You require long-range directional communication (e.g., rural links, point-to-point systems).

    • Higher gain and narrower beamwidth are critical for penetrating obstacles or minimizing interference.

    • The installation site supports a larger, heavier antenna (e.g., stable towers or poles).

FAQ

Q:What is the maximum input power of this antenna?
A:The maximum input power is 100W.


Q:Can it be installed indoors?
A:While it is designed for outdoor use, it can potentially be installed indoors depending on the specific requirements and signal environment, but outdoor installation is recommended for best performance.


Q:How does the wider beamwidth impact the signal?
A:The wider beamwidth allows the antenna to cover a larger area in the horizontal and vertical directions, which is beneficial when you need to reach multiple devices within a broader range.


Q:Is the cable length sufficient for most installations?
A:The cable length is 38 cm (15 inches). You may need to use an extension cable depending on your specific installation requirements.


Q:Does it come with mounting instructions?
A:Yes, it comes with an installation kit, and mounting instructions are usually included to guide you through the setup process.


Q:Can it work with other wireless devices apart from LORA?
A:It is designed primarily for LORA devices operating in the 380 - 470MHz frequency range. Using it with other devices may not yield optimal results.


Q:How do I maintain the antenna?
A:Regularly check for any physical damage, especially after extreme weather conditions. Ensure the connections are secure and clean.


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