A multiple band antenna system comprising: a dual polarization antenna, the dual polarization antenna comprising: a reflection plate; and a radiation module comprising first to fourth radiation devices, each radiation device including a first to fourth radiation arm (11; 12; 13; 14) respectively, each radiation arm (11; 12; 13; 14) further including first and second sub radiation arms (11a; 11b; 12a; 12b; 13a; 13b; 14a; 14b) having bending parts, respectively, wherein the bending parts of the first to fourth radiation arms (11; 12; 13; 14) are sequentially adjacent to each other and are symmetrical to each other in four directions to form a ' ' shape when viewed from the top, wherein the first to fourth radiation arms (11; 12; 13; 14) are each formed of a right angle shape of predetermined length and the first to fourth radiation arms (11; 12; 13; 14) are located in respective quarter planes of the radiation module, the first to fourth radiation devices have electrically conductive supports integrally extending toward the reflection plate at the bending parts of the first to fourth radiation arms (11; 12; 13; 14), and the radiation module comprises a first feeding line installed to transfer signals to the first and third radiation arms and a second feeding line installed to transfer signals to the second and fourth radiation arms, wherein the first and second feeding lines are strip lines, the first feeding line is configured to transfer a signal through non-contact coupling with the first radiation arm, and the second feeding line is configured to transfer a signal through non-contact coupling with the second radiation arm, and wherein the first feeding line extends to the support of the third radiation device facing in a slant line direction via the bending part of the first radiation arm along the support of the first radiation device, and the second feeding line extends to the support of the fourth radiation device facing in a slant line direction along the bending part of the second radiation arm along the support of the second radiation device, the multiple band antenna system further comprising: a second (50-1; 50-2) or third (60-1; 60-2) radiation module installed on the reflection plate at at least one of upper and lower sides of left and right sides of the installation site of the radiation module, wherein the second (50-1; 50-2) or third (60-1; 60-2) radiation module is installed such that the installation site of the second (50-1; 50-2) or third (60-1; 60-2) radiation module at least partially overlap empty spaces at upper and lower portions of left and right sides of the first radiation module. a reflection plate; and a radiation module comprising first to fourth radiation devices, each radiation device including a first to fourth radiation arm (11; 12; 13; 14) respectively, each radiation arm (11; 12; 13; 14) further including first and second sub radiation arms (11a; 11b; 12a; 12b; 13a; 13b; 14a; 14b) having bending parts, respectively, wherein the bending parts of the first to fourth radiation arms (11; 12; 13; 14) are sequentially adjacent to each other and are symmetrical to each other in four directions to form a ' ' shape when viewed from the top, wherein the first to fourth radiation arms (11; 12; 13; 14) are each formed of a right angle shape of predetermined length and the first to fourth radiation arms (11; 12; 13; 14) are located in respective quarter planes of the radiation module, the first to fourth radiation devices have electrically conductive supports integrally extending toward the reflection plate at the bending parts of the first to fourth radiation arms (11; 12; 13; 14), and the radiation module comprises a first feeding line installed to transfer signals to the first and third radiation arms and a second feeding line installed to transfer signals to the second and fourth radiation arms, wherein the first and second feeding lines are strip lines, the first feeding line is configured to transfer a signal through non-contact coupling with the first radiation arm, and the second feeding line is configured to transfer a signal through non-contact coupling with the second radiation arm, and wherein the first feeding line extends to the support of the third radiation device facing in a slant line direction via the bending part of the first radiation arm along the support of the first radiation device, and the second feeding line extends to the support of the fourth radiation device facing in a slant line direction along the bending part of the second radiation arm along the support of the second radiation device, the multiple band antenna system further comprising: a second (50-1; 50-2) or third (60-1; 60-2) radiation module installed on the reflection plate at at least one of upper and lower sides of left and right sides of the installation site of the radiation module, wherein the second (50-1; 50-2) or third (60-1; 60-2) radiation module is installed such that the installation site of the second (50-1; 50-2) or third (60-1; 60-2) radiation module at least partially overlap empty spaces at upper and lower portions of left and right sides of the first radiation module.