ISPC.86A.09.0092E

Specification Part No. : ISPC.86A.09.0092E Product Name : 5dBi ISM Band 865-870Mhz Embedded Ceramic Patch Antenna with Cable and Connector Features : High antenna efficiency 868MHz ISM Band 5dBi Peak (when placed on 30cm x30cm ground plane) - Broadside to Zenith Radiation Pattern 1dBi Peak Gain in free-space 47.5*47.5*6.5mm (Ceramic Antenna) 49.5*49.5*7.5mm (Antenna with EVB) RG178 92mm cable length MMCX Male Right Angle Connector RoHS Compliant SPE-14-8-057/C/WY Page 1 of 17 1. Introduction The 5dBi ISPC.86A antenna is designed primarily for compact fixed wireless applications in the 865MHz to 870MHz frequency range where extra coverage range is required. The antenna functions best when the backside is placed on a metal panel. When placed on a reference 30cm square ground-plane, the antenna has excellent directional hemispherical radiation pattern up to 5dBi on the zenith, and an efficiency of 65%. Even without a ground-plane underneath the antenna achieves 1dBi and an efficiency of 40~50%, with an omnidirectional pattern. This ceramic patch antenna with RG178 and MMCX male right angle connector is a great solution for the following typical applications - RFID Readers - Short range 868MHz mesh networks Cable type, length and connector can be customized. Mechanical customization can also be done for a minimum order quantity. Please contact your regional Taoglas office for more details. SPE-14-8-057/C/WY Page 2 of 17 2. Specification ELECTRICAL Measurement environment Free Space On 30*30cm ground plane Operation Frequency (MHz) 865 to 870MHz Return Loss (dB) -6.3 -6.7 Peak Gain (dbi) 0.37 4.63 Efficiency (%) 46.09 61.84 Average Gain (dB) -3.36 -2.09 Polarization Linear Impedance 50 Ohms Radiation Properties Broadside Toward Zenith Max Input Power 5W MECHANICAL Dimension (mm) 47.5*47.5*6.5 Material Ceramic Product Dimension (mm) 49.5*49.5*7.5 Coaxial Cable RG178 Coaxial Length (mm) 92 Connector MMCX Male Right Angle ENVIRONMENTAL RATINGS Operation Temperature -40°C to 85°C Storage Temperature -40°C to 105°C Relative Humidity 40% to 95% RoHs Compliant Yes SPE-14-8-057/C/WY Page 3 of 17 3. Antenna Characteristics 3.1 Testing setup ISPC.86A antenna was tested with R&S ZNB-8 network analyzer. Free Space On 30x30(cm) metal plane 3.2 Return Loss SPE-14-8-057/C/WY Page 4 of 17 3.3 Peak Gain 3.4 Efficiency SPE-14-8-057/C/WY Page 5 of 17 3.5 Average Gain SPE-14-8-057/C/WY Page 6 of 17 4. Antenna Radiation Patterns 4.1 Antenna setup The antenna radiation pattern measured setup as shown the below, Y X Z Free Space Y X Z On 30*30cm ground plane SPE-14-8-057/C/WY Page 7 of 17 4.2 Antenna radiation patterns On 30*30cm Ground plane XY Plane XZ Plane YZ Plane SPE-14-8-057/C/WY Page 8 of 17 Free Space XY Plane XZ Plane YZ Plane SPE-14-8-057/C/WY Page 9 of 17 5. Drawing SPE-14-8-057/C/WY Page 10 of 17 6. Application Note Taoglas considers the application here of the ISPC.86A antenna in different typical environments. Some environments the antenna will be close to ground plane (or general metal objects) and at different orientations. The distance to ground-plane will also differ. Following this rationale, we compiled the antenna S11 variation charts as below to evaluate the typical effects on performance. A degraded return loss would generally to relatively decreased efficiency, peak gain, and deformed radiation patterns. **Note - while it may appear from the return loss on the ground above antenna that the antenna may work in this orientation, it is likely the gain and efficiency are very poor, we would not recommend it under any circumstance** There are three general situations of a ground plane orientation to antenna, the setup is as below. Ground under antenna Ground above antenna Ground side of antenna SPE-14-8-057/C/WY Page 11 of 17 Ground under antenna SPE-14-8-057/C/WY Page 12 of 17 Ground above antenna SPE-14-8-057/C/WY Page 13 of 17 Ground side of antenna SPE-14-8-057/C/WY Page 14 of 17 7. Packaging 8 pieces per Tray 5 Trays per Inside Box: 40 pieces 4 Inside Box’s per Outer Box: 160 pieces SPE-14-8-057/C/WY Page 15 of 17 SPE-14-8-057/C/WY Page 16 of 17 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. SPE-14-8-057/C/WY Page 17 of 17