SPECIFICATION Part No. : GW.59.3153 Product Name : 2.4GHz/5.1~5.85GHz 3dBi Screw mount Dipole Antenna Description : RP-SMA Male Straight Connector Hinged IP-65 TPU Housing Length 156mm RoHS Compliant SPE-11-8-134/G/MC Page 1 of 16 1. Introduction The GW.59 dipole RP-SMA plug mount antenna is ideal for 2.4GHz/5.15~5.85GHz wireless applications such as Bluetooth and Wireless LAN. At 156mm in length omni-directional 3dBi gain across all bands ensures constant reception and transmission. The antenna structure is designed for robust handling and the housing is made with TPU giving superior environmental reliability and a quality finish. The antenna can be rotated 90 degrees on the base hinge for ease of placement. Many module manufacturers specify peak gain limits for any antennas that are to be connected to that module. Those peak gain limits are based on free-space conditions. In practice, the peak gain of an antenna tested in free-space can degrade by at least 1 or 2dBi when put inside a device. So ideally you should go for a slightly higher peak gain antenna than mentioned on the module specification to compensate for this effect, giving you better performance. Upon testing of any of our antennas with your device and a selection of appropriate layout, integration technique, or cable, Taoglas can make sure any of our antennas’ peak gain will be below the peak gain limits. Taoglas can then issue a specification and/or report for the selected antenna in your device that will clearly show it complying with the peak gain limits, so you can be assured you are meeting regulatory requirements for that module. For example, a module manufacturer may state that the antenna must have less than 2dBi peak gain, but you don’t need to select an embedded antenna that has a peak gain of less than 2dBi in free-space. This will give you a less optimized solution. It is better to go for a slightly higher free-space peak gain of 3dBi or more if available. Once that antenna gets integrated into your device, performance will degrade below this 2dBi peak gain due to the effects of GND plane, surrounding components, and device housing. If you want to be absolutely sure, contact Taoglas and we will test. SPE-11-8-134/G/MC Page 2 of 16 Choosing a Taoglas antenna with a higher peak gain than what is specified by the module manufacturer and enlisting our help will ensure you are getting the best performance possible without exceeding the peak gain limits. It is better not to select an embedded antenna with very low free-space peak gain (<2dBi) directly, as this antenna would have worse performance in your device, and lead to compromised performance compared to using a Taoglas antenna. 2. Specification Table Parameter Frequency GSM Band 2.4 ~ 2.5GHz, 5.15 ~ 5.85GHz Peak Gain (dBi)* 2.37 2.93 Average Gain (dBi)* -1.21 -1.32 Efficiency (%)* 75 73 Return Loss (dB)* - 10 dB Maximum SPE-11-8-134/G/MC Page 3 of 16 Radiation Omni-directional Polarization Linear Vertical Power Handling 1W Impedance 50 Ω MECHANICAL Cable RG-178 Coaxial Cable Antenna Cover TPE Antenna Base PC & PBT Color Black Connector RP-SMA(M) IP rating IP65 ENVIRONMENTAL Operation Temperature Storage Temperature -40°C ~ + 85°C -40°C ~ + 85°C *The antenna was measured in free space. SPE-11-8-134/G/MC Page 4 of 16 3. Antenna Characteristics 3.1. Return Loss 3.2. Peak Gain SPE-11-8-134/G/MC Page 5 of 16 3.3. Average Gain 3.4. Efficiency SPE-11-8-134/G/MC Page 6 of 16 4. Radiation Patterns The antenna radiation pattern was measured in ETS Anechoic Chamber. The testing setup is as below. The antenna was measured in free space. SPE-11-8-134/G/MC Page 7 of 16 XY Plane X Y X Y SPE-11-8-134/G/MC Page 8 of 16 XZ Plane Z X Z X SPE-11-8-134/G/MC Page 9 of 16 YZ Plane Z Y Z Y SPE-11-8-134/G/MC Page 10 of 16 5. Drawing (Unit: mm) SPE-11-8-134/G/MC Page 11 of 16 6. Application Note 6.1. GW.59 antenna measurement setup as shown the below ,(40mmx60mm PCB board) On the short side Antenna straight Antenna R/A On the 30cmX30cm ground plane Antenna straight Antenna R/A On the long side Antenna straight Antenna R/A On the 50cmX50cm ground plane Antenna straight Antenna R/A SPE-11-8-134/G/MC Page 12 of 16 6.2. Return Loss when antenna setup on different conditions 6.3. GW.59 antenna measurement,(40mmx100mm PCB board) On the short side Antenna straight Antenna R/A On the long side Antenna straight Antenna R/A SPE-11-8-134/G/MC Page 13 of 16 6.4. Return Loss when antenna setup on different conditions 6.5. GW.59 antenna measurement,(90mmx150mm PCB board) On the short side Antenna straight Antenna R/A On the long side Antenna straight Antenna R/A SPE-11-8-134/G/MC Page 14 of 16 6.6. Return Loss when antenna setup on different conditions SPE-11-8-134/G/MC Page 15 of 16 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-11-8-134/G/MC Page 16 of 16