Siretta mike magnetic mounting antennae siretta mike113msmamss17 the siretta mike 11 is a compact dual mount gps and glonass antenna tuned to to be able to receive both satellite positioning systems its small footprint of only 47 x 35mm allows it to fit onto most surfaces comfortably and with a modest height of only 17mm it provides an unobtrusive profilewith its magnetic base and separate adhesive pad the mike 11 can be mounted onto a diverse range of surfaces the mike 11s ip67