First thing first, we don't want to waste your time so please know this: We're in Q4 2019, and the Netgear MR2100 is already widespread across EU and AUS but it doesn't support any North American LTE bands.

Nighthawk M2 Mobile Router (MR2100)
- LTE CAT 20, DL support up to 2Gbps speeds
- 3GPP, Rel. 14
- 5CA with 20 simultaneous Downlink layers
- 4x4 MIMO
- 256QAM DL / 64QAM UL CA 3C, 7C
- 11ac Dual-band dual concurrent

Nighthawk M1 Mobile Router (MR1100)
- LTE CAT 16, DL support up to 1Gbps speeds
- 3GPP, Rel. 12
- 4CA with 10 simultaneous Downlink layers
- 4x4 MIMO
- 256QAM DL / 64QAM UL CA 3C, 7C
- 11ac Dual-band dual concurrent

The body of the Netgear 4G portable switch accompanies a LAN attachment, and you can change into a Wi-Fi transmitter when interfacing with an Ethernet link at lodging. Regardless of whether the inn doesn't have free Wi-Fi, it can give remote Internet get to just in the event that you had a legitimate SIM card. It likewise bolsters VPN capacity to make it simpler to travel.
Here now the Netgear Nighthawk M2 switch is accessible in Australia and Europe and it has two variation models: MR2100-1TLAUS and MR2100-100EUS. They bolster distinctive LTE recurrence groups as beneath:
– MR2100-100EUS: LTE 700/800/900/1800/2100/2300/2500/2600 MHz
– MR2100-1TLAUS: LTE/4GX 700/900/1800/2100/2600 MHz

Netgear Nighthawk M2 MR2100 Specifications:
LTE Modem: Qualcomm Snapdragon X24
LTE network speed
– support 5CA carrier aggregation
– 2Gbps down
– up to 150Mbps
Operation screen: 4 inch LCD touch screen
Connection socket
– 1*Gigabit LAN/WAN socket
– 1*USB-C / 1*USB-A socket
– 2*TS-9 external 3G/4G antenna socket
Battery: 5040mAh replaceable lithium battery
Body size: 105.5 (L) x 105.5 (W) x 20.35 (H) mm
Weight: 240g (with battery)

Overall, Netgear MR2100 has a much better screen and speed and 2Gbps speed is the best thing unless you have 5G network access. 

•  This is the Netgear MR1100 https://9to5shop.com/products/unlocked-netgear-nighthawk-m1-mr1100-router 
• This is the Netgear MR2100 https://9to5shop.com/products/unlocked-netgear-nighthawk-m2-mr2100