Siretta alpha adhesive mounting antennae siretta alpha161msmamsrp17 the alpha 16 is a slim miniature wifi dedicated antenna from siretta with a footprint size of only 355 x 399mm it will fit discreetly onto most surfaces whether on a work top or the side of a wireless modem you will not be stuck for mounting positions the antenna is supplied with a 3m adhesive base making it perfect for quick and simple installation onto a number of different surface materials such as metal gla