1、RF 433MHz: This wireless temp collector adopts RF 433MHz communication, inbuilt 1200mAh battery can work more than 2 years. 2、Wake Up Timer: This IoT thermodetector works in the state of timing wake up, that is, it sleeps for about 10 minutes and sends data within 1 second after waking up. The host is always in the state of receiving data. 3、200 Bdevice Accepted: A single host can manage up to 200 devices, sending data to a computer or mobile phone over a LAN, WIFI or serial port. 4、Network Construction: Each host and bedevice operates on a channel of a specific frequency. Therefore, it is possible to construct a large collection network of several thousand points with different frequencies or channels of multiple hosts. 5、Wide Application: This wireless signal collector is suitable for petrochemical industry, smelting building materials, biomedicine, equipment manufacturing, food processing, storage temperature and humidity detection, industrial environment temperature and humidity detection, etc. Item Type: Wireless Temp Collector Material: Aluminium Alloy Communication: RF 433MHz Communication Process: Mainly Divided into PC and Host Communication, Host and Bedevice Communication Communication Mode: Communication Between PC and Host Can Be Serial Port or Network, Serial Port Communication is RS232 Serial Port, Network Communication Can Be Realized Through Network Cable and WiFi Communication Time: a Complete Data Exchange Takes 10 Minutes, Data Exchange Takes 7 Minutes Between the Bedevice and the Host, and Data Exchange Takes 3 Minutes Between the Host and the PC Number of Connections: Each Host Can be Connected to 200 Bedevices. a PC Can be Connected to Only One Host Through Serial Port Communication. a PC Can be Connected to Multiple Hosts Through Network Communication Communication Distance: 700 Meters / 765.5yd in Open Space Battery Type: Inbuilt 1200mAh Lithium Ion Battery 1 x Wireless Temp Collector 1 x Antenna