source:truck tracking webfleet solutions release time:2022-10-19 Hits: Popular:realtime gps tracker online
Bluetooth GPS technology supports point-to-point and point to multipoint connections. Several piconets can be connected together, and each piconet can be identified by frequency hopping sequence. All users of the same piconet are synchronized with the frequency hopping sequence. Its topology can be described as a "multi piconet" structure.
In a "multi piconet" structure, the full duplex data rate exceeds 6Mb/s in the case of 10 independent piconets with full load.
one 's voice in speech
The voice channel adopts continuous variable slope delta modulation (CVSD) voice coding scheme, and never retransmits voice packets. CVSD coding is good at dealing with lost and damaged speech samples. Even if the bit error rate reaches 4%, CVSD coded speech is still audible.
wireless
Bluetooth air interface is based on 0dBm antenna level. The air interface follows the standards of FCC (Federal Communications Commission of the United States) for ISM band with 0dBm level. If the global level is above 100mW, the spread spectrum function can be used to add some supplementary services. The spectrum spreading function is realized by 79 frequency hopping frequency points with a starting frequency of 2.402, a ending frequency of 2.480 and an interval of 1MHz. Due to some local regulations, Japan, France and Spain have all reduced their bandwidth. The maximum frequency hopping rate is 1660 hops/second. The ideal connection range is 10 cm - 10 m, but the distance can be extended to 100 m by increasing the transmission level.
baseband
The baseband section describes the hardware -- the digital signal processing specification of the baseband link controller. The baseband link controller is responsible for handling baseband protocols and other low-level conventional protocols.
Read recommendations:
gps vehicle tracker Processing
Two frequencies can eliminate ionizing layer errors.Portable car gps systems Manufacturing
Last article:GPS establishes network connection
Next article:Advantages of Bluetooth GPS
Related Information
fleet management software webfleet solutions
2023-03-16gps tracker for kids
2023-04-11OBD GPS Tracker Vendor
2023-03-164G GPS Tracker for vehicles Manufacturing
2023-04-23gps vehicle tracker maker
2023-04-23fleet management software webfleet solutions
2023-03-16obd2 tracker
2023-03-16gps tracker no monthly fee
2023-03-16Magnetic gps tracker price
2023-04-23trailer gps tracker custom
2023-04-23G06L
2022-06-21G200NY -Cow/Camel GPS Tracker
2022-06-21TK200AM-Disposable GPS Tracker
2022-06-2110000mAh Magnetic Asset GPS Tracker
2025-04-08G200(L) -Magnet GPS Tracker
2022-06-20GPS system composition
2023-02-07Do I need to pay information for using GPS?
2022-10-10The relationship between GPS resolution and screen and map bearing
2022-08-09The manufacturer believes what application scenarios are there in the Beidou GPS positioner.gps trac
2023-05-12Several principles for car navigation purchase.plug & play Obd gps tracker supplier
2023-04-08The introduction of GPS in the field of logistics.gps tracker no monthly fee Production
2023-05-06Three Wiring Route Finding Methods for GPS Positioners
2023-06-27The manufacturer introduced in detail what applications of GPS in aviation flight navigation.gps tra
2023-04-25What are the GPS positioning methods
2022-09-22Car GPS locator.gps tracker with magnet sales
2023-06-20gps vehicle tracker.There are several types of car GPS locators
2023-10-24GPS car driving recorder escorts safe driving
2022-09-21How will a drone without a GPS tracker orient and return to its base?
2022-09-13Overview of GPS AGC working principle
2022-11-17Detailed introduction to GPS satellite constellation.plug & play Obd gps tracker wholesaler
2023-05-06