50.8MHZ 50.8MM-41.91MM-25-5590H-05 50.8MM-41.91MM-25-8810 50.8MM-41.91MM-25-8815 50.90SR 50.952MHZ 50.95SR 50/100MJ100-278 50/100MJ100R0DE 50/100MJ10R00F