Access and read technical documents for the Internet, including searching, bookmarking, and offline viewing. Customize text formatting, navigate easily, and save changes. Supports multiple formats like PDF and HTML.
RFCReader Pro by 飞 龙






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Access and read technical documents for the Internet, including searching, bookmarking, and offline viewing. Customize text formatting, navigate easily, and save changes. Supports multiple formats like PDF and HTML.


Visualize slow-speed audio transmission signals with a dynamic waterfall display. Adjust frequency ranges, zoom, and customize display settings for optimal signal viewing. Capture and share screenshots of your received signals.






This utility app acts as a server or bridge for NMEA data, connecting to various sources like TCP/UDP, BLE, and GPS. It organizes data into modules and can forward messages to other devices, acting as a multiplexer or repeater.