53.6931MHZ 53.693MHZ 53_716-50-0-1/003_-E 53_BNC-50-0-1/133_NE 53_BNC-75-0-1/133_NE 53_N-50-0-4/133_NE 53_N-50-0-4/133_UE 53_N-75-0-4/133_NE 53_SMA-50-0-2/111_NE 53_SMA-50-0-51/199_NE