Siretta adhesive mount antennas siretta alpha62msmamssfmefss7 the siretta alpha 6 is a compact ip66 rated puck shaped gsm amp gps combination antenna it combines two separate antennas into a single package that measures only oslash71 x 14mm the gsm antenna is a 850 900 1800 1900mhz dipole providing global gsm and gprs coverage the gps antenna is built with a 28db low noise amplifier lna to provide strong satellite fixing in most circumstances where the antenna has full