A story about Advanced RF Technologies (ADRF): http://adrftech.com/
Read the full article at: https://www.fiercewireless.com/5g/advanced-rf-technologies-solves-some-challenges-indoor-5g?mkt_tok=eyJpIjoiTWpZM04yUTFZV0V3TVRkbSIsInQiOiJUZjJ5N0ZlWUFOdkFsZjZ0ejJSbURTd2plREdFVDkwcmxcL1RaOThXcGEwOUgrUmswTXlTdDdnTzBqUElEaDh5Skk2RmdzMTVRNGlDU3dzSExhUnZBekxOT0JpVFN2YTJkaWJubCtuR1g4YVVNWVd6WDhXYWJQR3FST0k1WGV3OVwvIn0%3D&mrkid=694876