An antenna system, comprising: 1.1 a first antenna array configured to form wide beam coverage, and 1.2 a second antenna array configured to form narrow beam coverage, wherein: 1.3 the first antenna array comprises a first and a second adjacent column of antennas (111a, 111b), wherein the first and second column of antennas provides a first and second wide beam port (112a, 112b); and 1.4 the second antenna array comprises first to fourth adjacent columns of antennas, and the second antenna array provides three narrow beam ports (122a, 122b, 122c), wherein 1.5 a column interval of the first antenna array is greater than a column interval of the second antenna array; and 1.6 wherein an interval between the first antenna array and the second antenna array is greater than the column interval of the second antenna array; wherein 1.7 the second column of the first antenna array is adjacent to the first column of the second antenna array; 1.8 the antenna system further comprises a first, a second and a third radio frequency module (41, 42, 43) supporting different frequency bands 1, 2, 3 and a first and second multi-band combiner (40b, 40a), wherein 1.8.1 the first wide beam port is connected to the first radio frequency module and the second wide beam port is connected to the second radio frequency module and the third radio frequency module by using the first combiner; 1.8.2 the first narrow beam port is connected to the first radio frequency module and the second radio frequency module by using the second multi-band combiner; and 1.8.3 the second and third narrow beam ports (122b, 122c) are both connected to the third radio frequency module. 1.1 a first antenna array configured to form wide beam coverage, and 1.2 a second antenna array configured to form narrow beam coverage, 1.3 the first antenna array comprises a first and a second adjacent column of antennas (111a, 111b), wherein the first and second column of antennas provides a first and second wide beam port (112a, 112b); and 1.4 the second antenna array comprises first to fourth adjacent columns of antennas, and the second antenna array provides three narrow beam ports (122a, 122b, 122c), wherein 1.5 a column interval of the first antenna array is greater than a column interval of the second antenna array; and 1.6 wherein an interval between the first antenna array and the second antenna array is greater than the column interval of the second antenna array; wherein 1.7 the second column of the first antenna array is adjacent to the first column of the second antenna array; 1.8 the antenna system further comprises a first, a second and a third radio frequency module (41, 42, 43) supporting different frequency bands 1, 2, 3 and a first and second multi-band combiner (40b, 40a), wherein 1.8.1 the first wide beam port is connected to the first radio frequency module and the second wide beam port is connected to the second radio frequency module and the third radio frequency module by using the first combiner; 1.8.2 the first narrow beam port is connected to the first radio frequency module and the second radio frequency module by using the second multi-band combiner; and 1.8.3 the second and third narrow beam ports (122b, 122c) are both connected to the third radio frequency module.