The 2450AT43A100 from Johanson Technology is a Antenna with Frequency 2.4 to 2.48 GHz, Gain -2.0 dBi, Power 2 W, Operating Temperature -40 to 85 Degree C, Storage Temperature -40 to 85 Degree C. Tags: Chip, Ceramic. More details for 2450AT43A100 can be seen below.