The ANT1001 from RFM Integrated Device is a Antenna with Frequency 2400 to 2500 MHz / 4900 to 5850 MHz, Gain -1.99 to -0.81 dB, Operating Temperature -30 to 85 Degree C, Storage Temperature -30 to 85 Degree C. Tags: Ceramic, PCB. More details for ANT1001 can be seen below.