Antenna: https://www.dipolnet.com/A7054_10.htm
Router: https://www.dipolnet.com/N3263.htm

Solution for "slow" Internet, caused by weak LTE network signal.

Swapping an OEM antenna for a professional, external one, significantly improves LTE signal level, which boosts data transmission speeds.

In this movie, TPLink Archer MR200 LTE router was connected to ATKLOG ALP LTE MIMO 2x2 Antenna.

While choosing an antenna for a router, type and number of its connectors must be considered. Archer MR200 has two SMA sockets. It does not matter which antenna goes to which socket.