Beidou Data Transmission Terminal Solution

TheBeidoudatatransmissionterminalsolutionmainlyconsistsofadatatransmissioncoremotherboardandanantennakit.ItcansupporttheregionalcommunicationandpositioningfunctionsofBeidou-2andBeidou-3.Throughconfiguration,itcansupport4Gnetworks,Bluetoothwirelesscommunication,RS232,RS422serialportsandotherwiredcommunicationfordatatransmission.Itcanprovidemulti-functionalservicessuchaslocationservices,datacollectio..

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Product features

Support the application of Beidou-3
Supports the regional short message communication services of Beidou-2 and Beidou-3, and has the functions of Beidou's RNSS positioning and speed measurement.
Rich data interfaces
Supports RS232 and RS422 serial ports, meeting the requirements for the connection of various data acquisition terminals, facilitating the design of the terminals.
Support multiple communication methods
Support multiple wireless communication methods such as 4G and Bluetooth, meeting the design requirements of various terminals.
Complementary high-performance antenna
Equipped with high-performance combined antennas, it can undergo performance testing through the network connection function.

Technical Index

RNSS indicators	Locating the receiving frequency point	NM873-GA
	Receiving satellite frequency point	Support BDS B1I, B1C; GPS L1 fusion positioning
	Positional accuracy	H<6m, V<8m(PDOP<4.0)
	Sensitivity	Capture performance is superior to: -140 dBm; Tracking performance is superior to: -150 dBm
	Rate accuracy	0.2m/s(1σ, PDOP<4.0)
	Initial positioning time	≤ 45 seconds (cold start); ≤ 10 seconds (hot start)
	Data update frequency	1Hz
RDSS index	Receive sensitivity	Antenna azimuth angle: 0° to 360°, elevation angle: 30° to 90°;
		Beidou-2: Signal power -127.6 dBm, Bit error rate: ≤ 1E-5
		Beidou-3: Dedicated section, 24 kbps information frame, bit error rate: ≤ 1E-5 (signal power - 123.8 dBm)
		Beidou-3: Dedicated section, 16 kbps information frame, bit error rate: ≤ 1E-5 (signal power - 127.5 dBm)
		Beidou-3: Dedicated segment, 8kbps information frame, bit error rate: ≤ 1E-5 (signal power - 130 dBm)
	Receiving channel number	Beidou-2: 10; Beidou-3: 14.
	Emission frequency	Lf0、Lf1、Lf2。
	EIRP transmission	3 to 13 dBW (antenna elevation angle 30° to 90°, azimuth angle 0° to 360°)
	Communication success rate	≥95％。
	Data capacity	The maximum length of short messages for Beidou-2: 120 Chinese characters; The maximum length of regional short messages for Beidou-3: 1000 Chinese characters.
	Mode of information transmission	Chinese characters, codes, mixed together.
Other communication methods	Bluetooth communication	support
Other communication methods	4G communication	support
External interface	Power supply	One power input port
	Data interface	RS232+RS422
	Beidou Card	Supports 1 Beidou card interface and 1 4G card
Data format		Standard Beidou data interface protocol, custom protocol
Motherboard Specifications	Working voltage	12V～32VDC
	Power dissipation	Average standby: ≤ 1.8W; Peak emission: ≤ 25W
	Motherboard size	Φ116×35mm
Reliability	Operating temperature	-20℃～+70℃
Reliability	Storage temperature	-40℃～+85℃