廢話不多說，稍微整理一下幾台分享器支援頻段，
明明只有一個副門號，機器卻越買越多台... Orz
華為 E5770s-320
https://i.imgur.com/6fsZe0p.jpg
B1, B3, B5, B7, B8, B20, B38
華為 E5573s-806
https://i.imgur.com/3HHbMyX.jpg
B1, B3, B7, B8, B28
Netgear MR1100-1TLAUS (Telstra)(澳)
https://i.imgur.com/v97gy1g.jpg
B1, B3, B7, B8, B28
Netgear MR1100-100EUS (Europe Unlocked)(港/歐)
https://i.imgur.com/FR96ry6.jpg
B1, B3, B7, B8, B20, B28, B38, B40, B41
Netgear MR1100-100NAS (North America Unlocked)(北美)
https://i.imgur.com/IHtoU0O.jpg
B1, B2, B3, B4, B5, B7, B12, B20, B29, B30, B38, B40, B41, B46, B66
看起來北美版支援最多有的沒的頻段，但是若所在地有固定干擾源（例如說雷達），
支援那個干擾的頻段但是沒有 filter 未必是好事...