Based on Qualcomm platform 4G communication module Features RS232, RS485, and TTL port (3.3V/5V) USB Port, support USB dial-up, configuration, AT command, and so on. Hardware watchdog to avoid a crash The fault restart time is configurable. The trigger time and triangle length of UART are configurable. Industrial design, with EMC Working temperature: -40?C ~ 80?C Easy to use
Product Waveshare Industrial Grade Multifunctional USB HUB, Extending 3x USB ports + 100M Ethernet Port USB Port USB 2.0 Port x 3, theoretically up to 480Mbps Networking 10/100 adaptive USB hub Input operating voltage: 5V Connector USB-B
Product Waveshare HDMI 4k Splitter, 1 In 4 Out, Share One HDMI source Data rates 3 Gbps HDMI Ports 1 In 4 Out Compatible HDMI1.4B and DVI 1.0 Supports 4K/2K@30Hz and 4K/2K(YCbCr420)@60Hz resolution