IP.1621.25.4.A.02

## **SPECIFICATION Iridium Certified** 

Part No. : **IP.1621.25.4.A.02** 

Product Name : **4mm thick Iridium Patch Antenna, 1621MHz** Features : 25mm*25mm*4mm ROHS Compliant 

: 

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## **1. Introduction** 

This miniaturized ceramic Iridium patch antenna is based on smart _**XtremeGain™**_ technology. It is mounted via pin and double-sided adhesive and has been selected as optimal solution for the customer device environment. Iridium certifies the IP.1621.25.4.A.02 for commercial use in connection with the Iridium Communications systems. 

## **2. Key Antenna Performance Indicators** 

**Original Patch Specification tested on 50*50mm ground plane** 

|**No**<br>**Parameter**<br>**Specification**<br>**Notes**|
|---|
|1<br>Range of Receiving Frequency<br>1616~1626.5Mhz|
|with 50*50mm GND|
|2<br>Center Frequency<br>1621MHz ±3MHz<br>Plane|
|3<br>Bandwidth<br>16MHz<br>Return Loss ≤-10dB<br>4<br>VSWR<br>1.5 max<br>Center Frequency<br>~~a~~<br>ee|
|5<br>Gain at Zenith<br>+2.0dBi typ.<br>Center Frequency<br>6<br>Gain at 10° Elevation<br>--<br>Center Frequency<br>~~a~~<br>ee|
|7<br>Axial Ratio<br>3 dB Max<br>Center Frequency<br>8<br>Polarization<br>RHCP<br>~~a~~<br>ee|
|9<br>Impedance<br>50Ω<br>10<br>Frequency Temp Coefficient (Tf)<br>0±20ppm/°C<br>-40°C to +85°C<br>~~a~~<br>ee|
|11<br>Operating Temperature<br>-40°C to +85°C<br>12<br>Antenna Weight<br>10g<br>~~a~~<br>ee|



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## **3. Mechanical Drawing** 

## **3.1 Shape and Dimension** 

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## **3.2 Layout** 

## **3.3 Mark** 

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## **3.4 Evaluation Board (IPD.25A)** 

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## **3.5 Test Fixture Antenna Setup and Measurements** 

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## **4. Performance testing and results** 

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## **4.1 Antenna Gain Chart** 

## 4.1.1 XZ Plane 

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## 4.1.2 YZ Plane 

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## 4.1.3 XZ +YZ Plane 

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## **4.2 Axial Ratio** 

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## **5. Packaging** 

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_Taoglas makes no warranties based on the accuracy or completeness of the contents of this document and reserves the right to make changes to specifications and product descriptions at any time without notice. Taoglas reserves all rights to this document and the information contained herein. Reproduction, use or disclosure to third parties without express permission is strictly prohibited. Copyright ©Taoglas Ltd._ 

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