Radio frequency filter for mobile communications technology having a coaxial design, comprising the following features: - an outer conductor , - an inner conductor arrangement , - at least one branch line , via which there is an electrical connection between the inner conductor arrangement and the outer conductor , - at least two inner conductor portions which have a distance (A) between the inner conductor end faces thereof or the inner conductor end portions thereof , so as to form a capacitive coupling, - at least one further inner conductor coupling device having an inner conductor coupling element is provided in addition to the capacitive coupling between the at least two inner conductor end faces or the capacitively coupled inner conductor end portions , - the inner conductor coupling device having the inner conductor coupling element is either metallic or consists of a metallically or electrically conductively coated dielectric, - the inner conductor coupling element is arranged in at least partly overlapping arrangement with the inner conductor end portions of the coupled inner conductor portions , as a result of which two capacitive couplings are connected in series, specifically a first coupling between the one inner conductor end portion and the inner conductor coupling device and a second coupling between the inner conductor coupling device and the next adjacent inner conductor end portion of a subsequent adjacent inner conductor end portion , - the branch line extends between the inner conductor coupling element and the outer conductor , - the branch line is electrically-galvanically connected to the inner conductor coupling element , and - the branch line is galvanically connected or capacitively coupled to the outer conductor at the end thereof opposite the inner conductor coupling element . - an outer conductor , - an inner conductor arrangement , - at least one branch line , via which there is an electrical connection between the inner conductor arrangement and the outer conductor , - at least two inner conductor portions which have a distance (A) between the inner conductor end faces thereof or the inner conductor end portions thereof , so as to form a capacitive coupling, - at least one further inner conductor coupling device having an inner conductor coupling element is provided in addition to the capacitive coupling between the at least two inner conductor end faces or the capacitively coupled inner conductor end portions , - the inner conductor coupling device having the inner conductor coupling element is either metallic or consists of a metallically or electrically conductively coated dielectric, - the inner conductor coupling element is arranged in at least partly overlapping arrangement with the inner conductor end portions of the coupled inner conductor portions , as a result of which two capacitive couplings are connected in series, specifically a first coupling between the one inner conductor end portion and the inner conductor coupling device and a second coupling between the inner conductor coupling device and the next adjacent inner conductor end portion of a subsequent adjacent inner conductor end portion , - the branch line extends between the inner conductor coupling element and the outer conductor , - the branch line is electrically-galvanically connected to the inner conductor coupling element , and - the branch line is galvanically connected or capacitively coupled to the outer conductor at the end thereof opposite the inner conductor coupling element . <EOS>