Recommended that manufacturers are not familiar with load pull test. The transmission distance of 25 meters or more, don't waste money on the transmission. Direct PC to move, local distribution 11 road network after receiving the host signal, fuel pump dispenser ,if you do not know what software, with audio-visual center said, by their "multimedia network classroom" software to use, general school would have, sent directly to the client host image.
In conclusion, suggestion, transmission distance of 25 meters, with good engineering wire distributor + good (when necessary, gas station dispenser ,directly apart to see inside the shielding), 8 distributor reference budget 50-500, then the high price is not necessary to use.