I would like to experiment with my RBI 4G reception but am uncertain about antenna choices. According to Johnr, we are on the 700 mhz extended band but 1800 mhz may also be used. The current antenna is a ANT0627Y11 698-2700 mhz Wideband Directional Antenna with a maximum power rating of 50 watts and 11 dB gain. It is being used with a Huawei B315 gateway device.
What antennas would offer improved performance over this one? Would a simple (and much cheaper) high-gain yagi do the trick? If so, why do they cost so much less? Any tips would be much appreciated.