Part MYA4503 / 3299-MYA4503-ND attributes show it as having an N Type Female end, where it actually has a SO-239 UHF female.
The part with the N Type Female is p/n MYA4503N / 3299-MYA4503N-ND.
Please correct the Product Attributes for MYA4503 / 3299-MYA4503-ND.