24/7 Wireless Monitoring of 4 Fridges or Freezers The Executive Pack includes: 1 x MP - WH2 LAN Hub 4 x MP - TS3 Temperature Sensors Long Range Connectivity The MP-WH2 LAN Hub is an ultra-low-power wireless receiver which uses the Lora protocol, giving good penetration and ultra-long-range connectivity. LAN cabled connections are available for internet connection. The MP-WH2 LAN Hub uses a 32-bit industrial processor which offers great high-speed data processing and can support a variety of data formats.Data security is enhanced by dynamic key encryption and authentication. Other features include: Lightning and anti-static protection Dust and water-resistant enclosure External power supply input (12V) 500m range Support for up to 100 sensors. Cable supplied for connection to a router, switch or standard LAN outlet. NOTE: To operate this device requires a Safe Food Pro software subscription