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868MHz Rubber Antenna with SMA male connector

868MHZ rubber duck antenna  SMA  male
 
rubber duck antenna with SMA  male connector is a versatile option for improving signal strength and enhancing
 
 
  • GL-DY408

  • Asialeren

  • 8517710000

  • 100pc

  • accepted

  • 10000PC/days

  • GL-DY408.pdf

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This antenna has a gain of 2.5dbi, a frequency of 868MHZ, and an SMA male connector, which means that it can effectively enhance the signal and improve the communication distance and quality. Rubber material has good water resistance, suitable for outdoor or harsh environment applications.


GL-DY408


The differences from other similar products


Model

Frequency Range (MHz)

Gain (dBi)

Dimensions (mm)

Connector Type

GLR451

900-1800-1945-2150

2.5

Φ11×103

SMA male

GL-DY401

890-960/1710-2170

2.5

Ø10.5×50.2

SMA R/A male

GL-DY408

868

2.5

8*86

SMA male


Product Introduction

The 868MHz Rubber Antenna with SMA male connector (Model: GL-DY408) is a compact, waterproof antenna designed for reliable long-range communication in IoT and LPWAN applications. Operating at 868MHz (commonly used for LoRa, Sigfox, and industrial telemetry), it features a durable rubber housing for outdoor use (-40°C to +85°C) and a 2.5dBi gain for balanced signal coverage. Its SMA male connector ensures easy integration with routers, sensors, and tracking devices.

Application Scenarios

  • Smart Agriculture: Soil moisture sensors in remote fields

  • Industrial IoT: Warehouse asset trackers with limited power budgets

  • Utility Metering: Subterranean water/gas meters requiring penetration through concrete


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FAQ (Less Common Questions)

  1. Q: Can this antenna be used underwater?


    A: No, the rubber housing is water-resistant but not submersible.

  2. Q: Why 868MHz instead of 915MHz for LoRa?


    A: 868MHz is the EU standard, offering better building penetration than 915MHz (Americas).

  3. Q: Will it interfere with nearby 433MHz devices?


    A: No, its narrowband design minimizes harmonic interference.

  4. Q: Is the SMA connector compatible with RP-SMA female ports?


    A: No, SMA male connectors require standard SMA female ports.

  5. Q: Can it withstand UV exposure long-term?


    A: Yes, the rubber material includes UV stabilizers for outdoor durability.

  6. Q: Why 2.5dBi instead of higher gain?


    A: Lower gain avoids null zones near the antenna base, ideal for ground-level sensors.

408 0408 2408 drawing testing




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