The ACAJ-109-T from Abracon LLC is a Antenna with Frequency 824 to 849 MHz(GSM850), 880 to 960 MHz(GSM900), 1.71 to 1.88 GHz(DCS1800), 1.85 to 1.99 GHz(PCS1900), 920 MHz to 2.17 GHz(UMTS2100), Gain -3.7 to 1.3 dBi(GSM850), -2.4 to 2.4 dBi(GSM900), -0.9 to 6.4 dBi(DCS1880), -0.8 to 5.9 dBi(PCS1900), -0.9 to 4.8 dBi(UMTS2100), Operating Temperature -35 to 85 Degree C. Tags: Ceramic, Chip. More details for ACAJ-109-T can be seen below.