Upgrading your router and/or your router's stock antennas is an effective and quick way to instantly boost the signal speed and strength around yoru home or office.
In order to upgrade your antennas your router must have detachable antennas. Most of the WiFi router's on the market with the best performance allow for detachable antennas - so if yours does not you might want to consider upgrading.
PRO TIP: When upgrading for omni coverage it's best to change out all available ports. For a directional solution it's best to only use 1 directional and omni for the remaining ports.