Level 2 and level 3 will be linked to the operator via a Ubiquity Rocket SHF Radio device initially. VHF radio, Iridium and 4G modem is also planned. Within the line of sight, the Rocket M5 SHF radio has a bandwidth of 150 Mbps. This will allow the remote operator to send and receive data and control instructions to the USV. The broadband connection will also be able to handle data streams from AUVs linked via the USV. However, that functionality is not yet developed. A very high frequency (VHF) radio transponder will be able to receive and transmit data beyond line of sight, but with a lower data bandwidth than the SHF radio. The VHF radio has not yet been integrated into the system. The Level 2 system will also feature iridium communication, but it will only be used in areas where other options are unfeasible due to the cost.

The command and control software Neptus is used to provide the human operators with a coherent visual interface for mission planning, control and data review and analysis. IMC is used as the main communication interface. The Inter-Module Communication (IMC) is a message-oriented protocol developed and designed by LSTS for communication between heterogeneous vehicles, sensors, and human operators (see photo below).
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The Rocket is a rugged, hi-power, very linear 2×2 MIMO radio with enhanced receiver performance. It features incredible range performance (50+km) and breakthrough speed (150+Mbps real TCPI/IP). The device was specifically designed for outdoor PtP bridging and PTMP Airmax base-station applications. ;#; ;#;

The CyberData 3-Port USB Gigabit Port Mirroring Switch enables users of a network-attached device to split a single Gigabit Ethernet port into two Gigabit Ethernet ports. Power for the switch can be supplied by the host PC's USB port or from a standard +5V USB phone/camera charger. ;#; ;#;

The LtAP mini LTE kit is a small weatherproof wireless access point with a built in cellular modem that supports 2G, 3G and 4G (LTE) connectivity on International LTE bands 1,2,3,7,8,20,38 and 40. Access to the LTE network can be achieved by connecting to the LtAP mini’s built-in 802.11b/g/n wireless from a phone or any other wireless device. The LtAP mini LTE also has one 10/100 Ethernet LAN port for wired devices. The RS232 serial port gives console access for debugging. LtAP mini has a special enclosure with a wall mounting kit, two SIM slots to alternate between cellular providers, and integrated GPS support, making this a perfect device for use in moving vehicles. The unit has several powering options: 9-30 V PoE-in by Ethernet port, DC jack and microUSB.

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