Siretta tango through hole mounting antennae siretta tango411msmamss32 the siretta tango 41 is a wide band outdoor antenna aimed at the 4g wi fi frequency but is equally capable of 3g and 2g frequencieswith a diameter of only 398mm the tango 41 can be fitted in small spaces or on cabinets with curved or non flat surfaces the tango 41 has a built in rf cable terminated in a standard sma male connector so it is easy to mount the antenna and then connect the cable to your equipment