The 2450AT18D0100 from Johanson Technology is a Antenna with Frequency 2.4 to 2.5 GHz, Gain -1.0 to 1.5 dBi, Power 2 W, Operating Temperature -40 to 125 Degree C, Storage Temperature -40 to 85 Degree C. Tags: Ceramic, Chip. More details for 2450AT18D0100 can be seen below.