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21mm Long 5mm Diameter 868MHz Spring Antenna GL-DYG1303

868MHz spring antenna GL-DYG1303
It has an input impedance of 50Ω and vertical polarization, phosphor copper phosphor copper, supporting a maximum power of 50W with DC ground lightning protection.
  • GL-DYG1303

  • Asialeren

  • 8517710000

  • 100

  • Accepted

  • 1000/day

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Product Number

GL-DYG1303

Electric Specifications

Frequency rang-MHz

  868

Gain -dBi

1dBi

VSWR

≤1.9

Input Impedance-Ω

50

Polarization

Vertical

Max power -W

50

Lightning protection

DC ground

Connector model

Mechanical Specification

Size -mm

5.2*20.6

Antenna weight-g

1

Material

phosphor copper

Product Introduction

① Ultra-Miniature Design
At just 5.2x20.6mm and 1g weight, it fits seamlessly into space-constrained IoT/embedded devices without compromising performance.

② Industrial-Grade Resilience
DC grounding provides built-in lightning surge protection, while phosphor copper construction ensures corrosion resistance and longevity in harsh environments.

③ Plug-and-Play Compatibility
50Ω impedance and vertical polarization offer effortless integration with standard 868MHz wireless systems (LoRa, Sigfox, etc.).

④ Stable Signal Integrity
VSWR ≤1.9 minimizes signal reflection for reliable data transmission, critical for industrial monitoring and automation.

⑤ High-Power Tolerance
Handles up to 50W power for long-range applications like remote sensors, smart meters, or agricultural telemetry.

Application scenarios

  • Smart Agriculture: Soil sensors, livestock trackers.

  • Industrial IoT: Machine health monitors, warehouse asset tags.

  • Utility Metering: Wireless water/gas meters.

  • Smart City Infrastructure: Streetlight controls, waste management sensors.

  • Drone Telemetry: Lightweight communication modules.

Differences between similar antennas

P/N

GL-DYG1303

GL-DY1302

GL-DY1301

Gain

1 2 3

V.S.W.R.

1.9 2
3

Spring antenna

Screw Antenna

FAQ

Q: Is this antenna suitable for outdoor use?
A: Yes! Its DC grounding offers lightning surge protection, and phosphor copper resists environmental corrosion.


Q: What devices pair with this 868MHz antenna?
A: Ideal for LoRaWAN modules, Sigfox devices, industrial sensors, and any 868MHz wireless system.


Q: How is the antenna mounted?
A: Designed for PCB surface-mounting (SMD) or embedded installation.


Q: Does the 1dBi gain limit its range?
A: While low-gain, its efficiency shines in compact devices where size/weight are critical. Pair with a high-sensitivity receiver for optimal range.


Q: What connector does it use?
A: No connector – it’s designed for direct PCB integration (pads/wires).


Q: Can it handle high-power transmissions?
A: Yes, supports up to 50W for robust applications like remote telemetry.


Q: Why choose vertical polarization?
A: Vertical alignment minimizes signal loss in ground-level devices (e.g., sensors, meters).

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