The PE51203 from Pasternack Enterprises Inc is a Antenna with Frequency 2400 to 2500 MHz / 4900 to 5900 MHz, Gain 2.5 to 4.5 dB, Power 5 W, Operating Temperature -40 to 85 Degree C, Storage Temperature -40 to 85 Degree C. Tags: Embedded, PCB, Low profile. More details for PE51203 can be seen below.