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Dual-band 433-868MHz VHF WiFi Antenna GL-SD11-433M

Dual-Band Flexibility (433-868MHz): Perfect for IoT, LoRa, Zigbee, and industrial wireless systems, supporting seamless communication across multiple frequencies.
  • GL-SD11-433M

  • Asialeren

  • 8517710000

  • GL-SD11-433M.pdf

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Electrical specifications

Frequency Range(MHz)

433-868MHZ

Impedance(ohm)

50

Gain (dBi)

2.5dbi

Polarization

Vertical

VSWR

≤1.5

Maximum input power (W)

50

Mechanical specifications


Connector

SMA/RP   SMA

Height-mm

110mm

Radome Material

ABS

Color

black

Weight-KG

0.2

Operating temperature (℃)

-40~80

Product Introduction

  1. Wide Frequency Coverage:The GL - SD11 - 433M operates across the 433 - 868MHz frequency range. This wide - band coverage is highly beneficial as it can support multiple wireless applications within this spectrum, providing flexibility for different communication needs.

  2. Stable Impedance and Low VSWR:With an impedance of 50Ω and a VSWR of ≤1.5, the antenna ensures efficient power transfer. The stable impedance minimizes signal reflection, while the low VSWR indicates good impedance matching, resulting in a more reliable and stable connection.

  3. Decent Gain for Signal Boost:Featuring a gain of 2.5dBi, the antenna can effectively strengthen incoming signals. This gain helps in extending the communication range and improving the signal quality, making it suitable for applications where a certain level of signal amplification is required.

  4. Vertical Polarization Advantage:The vertical polarization of the GL - SD11 - 433M is advantageous in many scenarios. It can help reduce interference from horizontally polarized signals, which is useful in environments with a lot of electromagnetic clutter, ensuring a more stable communication link.

  5. Durable and Compact Design:Made of ABS radome material, the antenna is durable and can withstand various environmental conditions. Its compact size with a height of 110mm and a weight of 0.2kg makes it easy to install in different locations, whether indoors or outdoors. Additionally, it can operate in a temperature range of - 40℃ to 80℃, further enhancing its usability.

Application scenarios

  • IoT & Smart Devices: Ideal for LoRaWAN gateways, smart meters, or home automation systems.

  • Industrial Automation: Reliable connectivity for machinery telemetry or remote monitoring.

  • Drone & Robotics: Lightweight design enhances wireless control range.

  • Wireless Sensors: Weatherproof performance for agricultural or environmental sensors.

  • Remote Control Systems: Stable signal transmission for RC cars, boats, or industrial remotes.

FAQ

Q: Is this antenna waterproof?
A: The ABS radome provides weather resistance, but it’s not fully waterproof. Avoid direct submersion.


Q: Can it handle 100W input power?
A: No. Maximum input power is 50W. Exceeding this may damage the antenna.


Q: Does it include mounting brackets?
A: No, but its compact size allows easy attachment to standard mounts or adhesive pads.


Q: Is it compatible with RP-SMA female connectors?
A: Yes, the antenna supports both SMA and RP-SMA connectors for versatility.


Q: How long is the antenna?
A: 110mm (4.3 inches), designed for space-constrained installations.


Q: Can I use it for LoRa applications?
A: Absolutely! It’s optimized for 433-868MHz bands, ideal for LoRa devices.


Q: Will it work in snowy conditions?
A: Yes, it operates reliably in temperatures as low as -40°C.


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