DM319 Beidou-3 Global Short Message Communication Module

DM319

1.Supportforglobalshortmessage:FullysupportstheglobalshortmessageandregionalshortmessagefunctionsofBeidou-32.Highcommunicationsuccessrate:Utilizesanoriginalsatelliteselectionalgorithm,significantlyenhancingtheglobalshortmessagecommunicationsuccessrate3.Convenientandeasytouse:Built-inLNAandPA,simpleperipheralcircuits,easytointegrateanduse,providescompletedesignmanualsandtechnicalsupport4.Compactsize..

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Product features

Support global short message service
Fully support the global short message and regional short message functions of Beidou-3
High communication success rate
By adopting the unique star selection algorithm, the success rate of global short message communication has been significantly improved.
Easy to use and convenient
Built-in LNA and PA, with simple peripheral circuits, easy to integrate and use. It provides a complete design manual and technical support.
Compact in size
Size of 33mm × 35mm, facilitating integration with various devices

Technical Index

performance index	RDSS Performance	Receiving frequency point	Receive the outgoing signals from S1I and S2C, with the frequency range: 2491.75 MHz ± 8.16 MHz
			Receive B2b outbound signal, frequency range: 1207.14 ± 10.23 MHz
		Receive sensitivity	S1I: When the signal power is -127.6 dBm, the bit error rate is: ≤ 1×10-5
			S2C: 24kbps information frame, bit error rate: ≤ 1×10-5 (signal power - 123.8 dBm)
			S2C: 16kbps information frame, bit error rate: ≤ 1×10-5 (signal power - 127.5 dBm)
			S2C: 8kbps information frame, bit error rate: ≤ 1×10-5 (signal power - 130dBm)
		Number of receiving beams at S frequency point	Beidou-2: 10; Beidou-3: ≥14
		Number of B2B satellite points receiving signals	≥14
		Transmitting frequency point	Lf0 ：1615.68 MHz±4.08MHz
			Lf1 ：1614.26 MHz±4.08MHz
			Lf2 ：1618.34 MHz±4.08MHz
			Lf4 ：1624.524 MHz±4.08MHz
		transmitted power	+6dBW~+8dBW
		Accuracy of transmission frequency	≤5×10-7
		Phase error of transmitted signal modulation	≤3°
		Maximum communication capacity of short messages	Beidou-2 regional short message: 120 Chinese characters
			Beidou-3 regional short message: 1000 Chinese characters
			Beidou-3 Global Short Message Service: 40 Chinese characters
			Beidou-2: 10; Beidou-3: ≥14
	Module input voltage		+3.6V～+5.5V，recommend 3.7V
	Power consumption during work		Operating power consumption：≤160mA @+3.7V
	B2b receiving antenna feed		+3.3V（Maximum driving output capacity 100mA）
	RTK initialization reliability		RTCM2.X RTCM3.X NMEA-0183 user-defined protocol
	RTK initialization reliability		≤20ns(RMS)
physical property	structure size		33mm×35mm×3.5mm (±0.2mm）
	encapsulation mode		SMD Postal stamp hole
environmental index	operating temperature		-40℃~+85℃
	storage temperature		-40℃~+85℃