AMPLH4020S-2R2M-T AMPLH4020S-3R3MT AMPLH4020S-3R3M-T AMPLH4020S-4R7MT AMPLH4020S-5R6MT AMPLH4020S-5R6M-T AMPLH4020S-6R8MT AMPLH4020S-6R8M-T AMPLH4020S-8R2MT AMPLH4020S-8R2M-T