The Engenius XtraRange ESR600H is a Dual-Band Concurrent (300 + 300 Mbps) Wireless-N Router with a built-in 4-Port Gigabit switch and a Gigabit WAN port, and a built-in USB port to support a USB hard drive or USB printer. This high-powered Wireless-N router offers robust connectivity and performance for computers, smartphones, tablet PCs and home entertainment devices in a home or small office. The ESR600H also supports several security features and settings including industry standard wireless encryption, such as WEP, WPA/WPA2 to prevent unauthorized access to the network; an advanced SPI (Stateful Packet Inspection) firewall to block malicious software from the Internet from accessing networked devices. This smart router also employs intelligent QoS (Quality of Service) to prioritize bandwidth-intensive applications like HD video and gaming or bandwidth sensitive applications like VoIP (Voice over IP) telephone calls for optimal connectivity. Four Guest Access Login Options WPA / WPA2 encryption to help secure the wireless network QoS (WMM) optimizes bandwidth performance for streaming media Detachable 5dBi high gain antennas for longer range and greater coverage. It also allows for end-user upgrade.Specifications Operation Mode - AP / Router / WDS Frequency Band - 2.400 - 2.484 GHz (11b/11g/11n) and 5GHz (11a/11n) Modulation Technology - OFDM - BPSK, QPSK, 16-QAM, 64-QAM BPSK, DQPSK, CCK Operation Channels - 11 for North America, 13 for Europe, 14 for Japan Receive Sensitivity - (Optimal) -90 dBm Available Transmit Power (Optimal) - 20dBm Antenna - detachable external 5 dBi and 2 internal 3.5dBi antennas LAN - 4-Gigabit Ethernet Ports WAN - 1-Gigabit Ethernet Port USB - 1 Sharing port Dimensions - 12 1/8 in. (30cm) x 9 1/8 in. (23cm) x 3 in. (7.6cm) Weight - 1.5 lbs. (0.7 kg)Engenius 300Mbps Dual-Band Wireless N USB Adapter EUB-9801 - The Engenius 300Mbps Dual