Ubiquiti LBE-M5-23 5GHz 2-PACK LiteBeam M5 23dBi Outdoor airMAX CPE up to 30+ km Ubiquiti LBE-M5-23 2-PACK 5GHz LiteBeam M5 23dBi Outdoor airMAX CPE 100+Mbps outdoor throughput up to 30+ km license-free 5GHz frequency range