有用于插在饮料机，一贮水箱的过滤器，诸如咖啡机，咖啡机或类似物，具有过滤器壳体，具有供水罐打开水入口和具有插入连接水出口时，水存储箱的连接元件，其中所述过滤器外壳内的电子通信元件的提议 被布置成与所述天线和微芯片。 所述过滤器的特征在于：一个空气空间设置到其中的天线以这样的方式使用，并且所述天线位于与空气中的空间中的空气接触的至少部分。

There is a filter for insertion into a water storage tank of a beverage machine such as an espresso machine, a coffee machine or the like, with a filter housing, a water reservoir tank open water inlet and a proposed with a connecting element of the water storage tank when inserting connectable water outlet, wherein the filter housing an electronic communications element is arranged with an antenna and microchip. The filter is characterized in that an air space is provided in which the antenna is used in such a manner, and that the antenna is at least partly with air contact in the air space.