The 2450AT18E0100 from Johanson Technology is a Antenna with Frequency 2.4 to 2.5 GHz, Gain -3.0 to 1.0 dBi, Power 2 W, Operating Temperature -40 to 85 Degree C, Storage Temperature 5 to 35 Degree C. Tags: Ceramic, Chip. More details for 2450AT18E0100 can be seen below.