9DBI Circular UHF Rfid Antenna

Products Mode: HYN503
Gain: 9dbi
VSWR: ≤1.3:1
Size: 258*258*56mm
Frequency: 865~868MHz, 902~928MHz
Antenna Connection: N-50KFD (Type N Female)
Polarization: Circular


tubiao.png Product Features

Electrical Properties: It is a general antenna for UHF RFID applications with high gain and low VSWR. Mechanical Properties: The compact and artistic antenna is suitable for all kinds of  severe environment for its dual waterproof design with Gasket and silicone and strengthening rib of shell.


tubiao.png Performance Specifications

➢ Maximum VSWR: ≤1.3:1
Gain: > 9 dBi
H side HPBW: 70°
E side HPBW: 70°
Polarization: Circular Polarization
Relative humidity: 5%~95%
Input Impedance: 50 Ω
Antenna Connection: N-50KFD (Type N Female)


tubiao.png Physical specifications

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tubiao.png Installation guide

HYN503 antenna can be installed on steal framed structure or bracket by own antenna bracket, and connect with reader with coaxial line. The antenna can be installed horizontally or vertically, it is decided by installation location, the angle can be adjusted after installation according to the real environment.
Antenna bracket is an optional accessory, you can choose according to your special requirement.


1.Installation Dimension
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2.Installation Steps
  2.1 Horizontal Installation
Step 1:Use M6 screw, elastic washer and plain washer, to fix the L board on the antenna, please see

Figure 3:.

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Step 2:Please use M6 screw, elastic washer and plain washer and “Dog tooth” to fix it on the
horizontal and vertical bracket, please see Figure 4.

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  2.2 Vertical Installation

Step 1:Use M6 screw, elastic washer and plain washer, to fix the L board on the antenna, as shown in Figure 5.

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Step 2:Please use M6 screw, elastic washer and plain washer and “Dog tooth” to fix it on the horizontal and vertical bracket, as shown in Figure 6.

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tubiao.png Antenna Radiation Pattern

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tubiao.png Common Problems and Attentions:

1. HYN503 Antenna is a circular polarization antenna. Please kindly adjust the angle to get the best reading performance in practical applications.
2. HYN503 Antenna can be used at the outdoor environments, but it’s not good to use it in an acid/alkali environment.