Siretta DELTA Series Direct Connect Antennas - Siretta DELTA8A/x/SMAM/S/S/17, The Delta 8A is Siretta's smallest WiFi antenna, measuring only 26mm in length. It successfully compacts a ¼ wave dipole into an incredibly small housing that meets the demands of WiFi users who require a covert, non-obtrusive antenna design. The Delta 8A can be used with various WiFi, Bluetooth and Zigbee applications, with only slightly reduced gain compared to the Delta 7A and Delta 6B/C. The Delta 8A is designed for space conscious WiFi applications that require an extremely compact, good quality antenna. Siretta DELTA8A/x/SMAM/S/S/17 Wifi/WLAN Stubby Antenna