The 2450AT43B100 from Johanson Technology is a high-performance ceramic chip antenna designed for 2.4 GHz WLAN, Home RF, and Bluetooth applications. This antenna is engineered with minimized ground clearance requirements, making it suitable for compact devices where space is a premium. The detail specification is dated 09/04/08, and the document provides comprehensive information on its general specifications, mechanical dimensions, mounting considerations, electrical characteristics, and radiation patterns.
Key features include a frequency range of 2400-2500 MHz, a peak gain of 1.3 dBi (XZ-V), and an average gain of -0.5 dBi (XZ-V). The antenna has a return loss of 9.5 dB minimum and an impedance of 50 Ω. It supports an input power of up to 2W and operates within a temperature range of -40 to +85°C. The document also outlines the recommended matching circuits and component values for optimal performance, along with typical radiation patterns in XY, XZ, and YZ planes.