all-weather positioning, time-transfer, and bidirectional message
communication functions, supports the mobile navigation based on
multiple modes of text/track plot/compass Provides optimum signal capture and processing policy under the
mobile conditions, fully utilizes the building gaps for navigation
and positioning information processing Prepared with the standard RS232 serial data interfaces to support
multiple data protocols, connect with multiple independent
peripherals such as external PDA, handheld computer, business
service set, portable computer, fixed computer equipment etc Ultra-high capacity information processing and storage, more than
100 positioning information can be saved and managed, the 100
communication messages can lock all 10 navigation lines, 100 road
sign data, 100 address book information, and 30 common phrases Supports the all-screen writing identification functions
self-developed digital key input method, which can input the
information more rapidly, more convenient, and make it more widely
applicable Configured with the standard serial interface based functional data
maintenance and program upgrade to ensure easier maintenance of
equipment and backup of data, higher safety Provided with unique map-based intelligent navigation information
management software to realize visual navigation information,
maintenance, and synchronous download Special functions: receiver frequency offset and zero setting adjustable | 
