Guide is based on SKU: MR1100-100EUS TESTED WITH SOFT: NTG9X50C_12.06.03.00 + NTG9X50C_12.04.02.00 As you probably noticed that your Nighthawk M1 has only 3 cellular “Band Region” options: Auto WCDMA all LTE all With this guide I will show you the way of how to add new options there. Thanks to this you will be able to control the way of how your nighthawk connects to BTS (Base Transceiver Station). In effect you will be able to select one from options: 0 -Auto 1 - WCDMA all 2 - LTE all 3 - LTE B20 800 4 - LTE B3 1800 5 - LTE B1 2100 6 - LTE B7 2600 7 - LTE 800+2600+2100 8 - LTE 800+1800+2600+2100 9 - LTE 800+1800+2600 Why these bands? I am located in europe and 800, 1800, 2100, 2600 are most popular LTE bands here. You can create own bands based on this tutorial, details are decribed in the guide. Nighthawk M1 should support up to 20 options there, but unfortunately it allows to use only 9 option