I. Introduction to the product
Beidou short message voice communication multi-card machine (hereinafter referred to as Beidou voice multi-card machine) internal integration Beidou voice high compression ratio module, 10W RDSS/RNSS module, embedded microprocessor control system, multi-data processing communication interface and other devices, with strong performance, multi-functionality, high integration, easy operation and other advantages, Mainly used to achieve beidou voice emergency and instant communication, but also to achieve Beidou short messages and positioning navigation and other communications. Beidou voice multi-card machine is not only suitable for ship-borne, on-board, airborne and other mobile carriers, at the same time, can be expanded to the command machine for mass distribution and monitoring applications.
Second, the main use
Ships at sea, islands at sea, maritime operations
Aircraft, vehicles, etc.
Command, dispatch, operating platform
Forest safety, emergency relief
Field Engineering
Public Security, Border Protection, Field Communication
Technical indicators of the whole machine:
Host size 155 x 130 x 59 (mm)
DC-powered DC s12V s.36 V.
Standby Power 1.5W
Operating temperature Mincard -20C to 60C, Military Card -40C to 80C
Storage temperature -40C to 80C
Relative humidity 95% (40 degrees C)
Impact GJB150.18-1986
Vibrations 1Hz-16Hz, 16Hz to 60Hz, displacement 1mm, acceleration 10m/s2
Weight 1kg
Voice performance indicators of Beidou Doka machine
Maximum number of SIM cards (numbers) 32
Maximum SIM card data capacity (at 78.5 Byte per card) 2512 Byte
Voice compression (bps) 450, 380, 300, 250
32 SIM cards maximum speech time 41s/450bps
48.5s/380bps
61s/300bps
73s/250bps
Voice understandability 450bps: .89 %
380bps:≥85 %
300bps:≥80 %
250bps:≥75 %
Beidou RDSS Performance Metrics
Emission power 10W Note 1
Two-way zero value within 1ms plusmn;10ns, variance less than 10ns
Carrier Suppression s30dB
BPSK phase modulation error of s3 -deg;
Receive signal sensitivity -157.6dBW
Communication location success rate s99% Note 2
Dynamic range of s340Km/h Note 3, higher requirements must be customized
Two-channel time difference s.10ns
Positioning accuracy Accuracy: 20m or 100m Note 4
Unlocked recapture time: s 1 s
Lock-in Time First capture time: s2 s
