putting vertical mount connector on HAC-UM96

Hi - I just got my two HAC-UM96 modules in the post. I had forgotten that they have right angle antenna connectors on them. Is there any problem with replacing these connectors and putting vertical mount connectors in their place? I was thinking that the vertical mount SMA connectors that you all carry look right (part RF-SMA-Vert). Is this the right connector? Would the antenna still screw on ok? I believe it would, though I think it might get pretty close to the metal shielding. Regarding this shielding - I noticed that one corner of it is not soldered down on either boards. Why is this? There’s a pad and everything there - it just wasn’t used. Thanks,

-Mike