Siretta oscar 41 4g 3g wifi 2g compact wall mount omni antenna siretta oscar41 x ntypef s s 29 p the siretta oscar 41 is a very compact wall or pole mounted antenna that performs extremely well over the wifi 3g and 4g frequency bands additionally it performs just as well on the upper two 2g gprs frequency bands making it a true all rounder in europe covering 2g 3g 4g wifi bluetooth all with the same gain profile p p the oscar 41 measures only 237mm long with a diameter of 20mm and is