ABL-7.3728MHZ-B2 ABL-7.3728MHZ-B2. ABL-7.3728MHZ-B2-I ABL-7.3728MHz-B4Y ABL-7.3728MHZ-B4Y-T ABL-7.3728MHZ-D ABL-7.3728MHZ-I ABL-7.3728MHZ-I-T ABL-7.680MHz-B4Y ABL-7.680MHZ-B4Y-T