The 2440AT62A0085 from Johanson Technology is a 2.4 GHz Ceramic Patch Antenna for Bluetooth, WiFi, LoRa and ANT applications. This circular polarized (RHCP) antenna delivers a gain of 3.5 dBi with an efficiency of 70% and can handle an input power of up to 2 watts. This half-wave, ground independent (efficiency-wise) surface-mount antenna can be used in applications that require some sort of directionality and higher gain toward one direction. It is available in a 12 x 12 x 4 mm surface mount package and operates over a temperature range of -40 to 85 C.