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21mm Long 5mm Diameter 433MHz Spring Antenna GL1309

433MHz spring antenna GL1309
It has an input impedance of 50Ω and vertical polarization, supporting a maximum power of 50W with DC ground lightning protection.
  • GL1309

  • Asialeren

  • 8517710000

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Product NO

GL1309

Electric Specifications

Frequency rang-MHz

433

Gain -dBi

2.0

VSWR

≤1.9

Input Impedance-Ω

50

Polarization

Vertical

Max power -W

50

Lightning protection

DC ground

Connector model

Mechanical Specification

Size -mm

5*21

Antenna weight-g

1

Material

phosphor copper


433 MHZ Spring antenna phosphor copper MaterialVarious types of 433 MHZ Spring antenna include long and shortDifferent types of 433 MHZ Spring antenna


Product Introduction

  1. Compact and Lightweight
    With dimensions of 5×21mm and a weight of just 1g, this antenna is extremely compact. It can be easily integrated into small - sized devices such as wireless sensors and remote controls without adding significant bulk.

  2. Optimal Gain and Frequency
    Operating at 433MHz with a 2.0dBi gain, it provides a good balance between signal strength and coverage. This makes it suitable for short - to - medium range wireless communication applications, ensuring stable signal transmission.

  3. High - Quality Material
    Made of phosphor copper, the antenna offers excellent electrical conductivity and durability. It can maintain stable performance over a long service life, even in harsh environments.

  4. Vertical Polarization
    Vertical polarization helps in reducing signal interference in many common environments, especially in areas with a lot of horizontal obstructions. It ensures more reliable signal reception and transmission for vertical - oriented communication systems.

  5. Good Power Handling and Protection
    With a maximum power handling capacity of 50W and DC ground lightning protection, it can withstand relatively high power inputs and is protected from lightning - induced surges, enhancing the reliability of the overall system.

Application scenarios

  • Smart Metering: AMR/AMI data collection units

  • Industrial Sensors: Tank level monitoring in chemical plants

  • Medical Devices: Wireless patient monitors (IEC 60601-compliant)

  • Vehicle Telematics: Fleet tracking OBD modules

  • Home Automation: Garage door controllers / Smart irrigation

FAQ 

Q: Connector installation method?
A: Direct PCB solder (no connector) – provide pad dimensions upon request.


Q: Maximum range in urban areas?
A: 100-300m (depends on receiver sensitivity and obstacles).


Q: Customizable cable attachment?
A: Yes. Specify cable length/type (e.g., RG174) for OEM orders.


Q: Grounding wire specification?
A: 18AWG min. copper wire to earth rod (DC ground terminal provided).


Q: ROHS compliance?
A: Yes. Phosphor copper meets ROHS 2.0/REACH standards.


Q: Operating humidity limit?
A: 95% non-condensing (conformal coating recommended for wet environments).


Q: Gain pattern type?
A: Omnidirectional vertical (radiation pattern diagram available).


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