@S1GAR wrote - Has anybody tried the Bluespot Grid Antenna? Claims to have a massive 30dbi gain!!! is this something you have knowledge of @EssexBoyEE ?, would like your thoughts. i am about to add a bluespot mini this weekend so i'll report how that works out.
The Grid Antenna you mention is in effect a Reflective Dish, works on a similar printable to a Satellite Dish, the Gain is from the Signal Refection of the Parabolic Curve of the Dish and not the Antenna, they are extremely Directional and are designed for LOS Rural Areas of poor Coverage.
Downside of this is you are committing the Antenna to Fire in a Single Direction, ie One Mast, where as the 4G Signal could be coming from a particular Mast and the 5G Signal could be coming from another Mast in a different direction, you will need both 4 and 5G Signals for current 5G NR NSA.
Also by using the above Dish Antenna you have ruled out any Fall Back of the Network should the Mast go down where your Antenna is pointing. The whole pinchable of Dish or Parabolic Antennas is they are normally designed for a Single Frequency Band, i.e., Dish Size, Focal Point etc, so the claimed 30gb gain is unlikely to be consistent over todays Cellular Bands covering 700 to 3800mhz which needs to be understood when Installing such Antenna.
Another important factor with Dish Antennas is that they do not always fair well with 2x2 or 4x4 Mimo due to its design.
Lets us know how you get on with the Bluespot Mini, should point out though that this Antenna is designed only for the 5G n78 Band (3.5ghz) and no other 4G or 5G Bands.
