Antenna array, in particular for mobile communications, having the following features: - comprising at least one pair of antenna gaps (5; 5a, 5b) which are oriented so as to be extend in the vertical direction or predominantly in the vertical direction and are positioned side by side in the horizontal direction, - at least one radiator group having at least one radiator is arranged in at least two antenna gaps (5; 5a, 5b) in each case, which radiator transmits and/or receives in a single-polarised, dual-polarised or circularly or elliptically polarised manner, - the at least one radiator (11; 11 a, 11 b) is designed as a broadband radiator (11; 11 a, 11b) such that it can transmit and/or receive HF signals at a relative bandwidth of ≥ 25 %, - at least one auxiliary radiator (21; 21 a, 21 b) is provided in at least two antenna gaps (5; 5a, 5b) in each case, - the at least two auxiliary radiators (21; 21a, 21b) are arranged such that the centres (21'a, 21'b) of the at least two auxiliary radiators (21; 21a, 21b) are arranged at a horizontal lateral distance (b) that is less than the lateral distance (a) between the centres (9', 11') of the radiator groups or the radiators in the two antenna gaps (5; 5a, 5b), characterised by the following further features: - the broadband radiators (11; 11 a, 11 b) in a particular antenna gap (5; 5a, 5b) are jointly powered together with the at least one auxiliary radiator (21; 21 a, 21 b), and - a distribution network (N; Na, Nb) is provided for the at least one radiator group (9; 9a, 9b) comprising the at least one associated radiator (11; 11 a, 11 b) which has an associated filter function for the at least one associated auxiliary radiator (21; 21 a, 21 b), which network is designed such that the at least one broadband radiator (11; 11a, 11b) transmits and/or receives in a broadband frequency range, and specifically at a centre frequency (f T) that is lower than a comparatively higher frequency band or frequency sub-band having a centre frequency (f H) which is transmitted or received by the relevant auxiliary radiator (21; 21 a, 21 b). - comprising at least one pair of antenna gaps (5; 5a, 5b) which are oriented so as to be extend in the vertical direction or predominantly in the vertical direction and are positioned side by side in the horizontal direction, - at least one radiator group having at least one radiator is arranged in at least two antenna gaps (5; 5a, 5b) in each case, which radiator transmits and/or receives in a single-polarised, dual-polarised or circularly or elliptically polarised manner, - the at least one radiator (11; 11 a, 11 b) is designed as a broadband radiator (11; 11 a, 11b) such that it can transmit and/or receive HF signals at a relative bandwidth of ≥ 25 %, - at least one auxiliary radiator (21; 21 a, 21 b) is provided in at least two antenna gaps (5; 5a, 5b) in each case, - the at least two auxiliary radiators (21; 21a, 21b) are arranged such that the centres (21'a, 21'b) of the at least two auxiliary radiators (21; 21a, 21b) are arranged at a horizontal lateral distance (b) that is less than the lateral distance (a) between the centres (9', 11') of the radiator groups or the radiators in the two antenna gaps (5; 5a, 5b), - the broadband radiators (11; 11 a, 11 b) in a particular antenna gap (5; 5a, 5b) are jointly powered together with the at least one auxiliary radiator (21; 21 a, 21 b), and - a distribution network (N; Na, Nb) is provided for the at least one radiator group (9; 9a, 9b) comprising the at least one associated radiator (11; 11 a, 11 b) which has an associated filter function for the at least one associated auxiliary radiator (21; 21 a, 21 b), which network is designed such that the at least one broadband radiator (11; 11a, 11b) transmits and/or receives in a broadband frequency range, and specifically at a centre frequency (f T) that is lower than a comparatively higher frequency band or frequency sub-band having a centre frequency (f H) which is transmitted or received by the relevant auxiliary radiator (21; 21 a, 21 b).