HUAWEI 4G Router B310 (Unifi Bebas) + 4G MIMO Antenna

Hello, I have been using B310 for a year, the signal is NOT really stable. due to out of range. So I decide to purchase "4G MIMO Antenna" to improve the 4G signal. Router : HUAWEI B310 Telco : Unifi Bebas Antenna : 4G MIMO Antenna (YNX-ANT4G01) Thank you for watching.