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GPS+北斗 模块 TG621S-BD

产品尺寸16mm L x 12.2mm W

主要特点:高性能,167频道,GPS+北斗双卫星定位

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The TG621S-BD is a state-of-the-art 167-channel global navigation receiver module capable of using Beidou and GPS satellite signals. It also works with augmentation satellite systems such as QZSS and SBAS (WAAS, EGNOS, MSAS, GAGAN).

The TG621S-BD can provide dual-satellite navigation system positioning capability to offer more than the number of satellites available for GPS-only position fix. The increased satellite number offers superior performance in challenging urban canyon and multipath environments. It is capable of tracking up to 28 satellite signals for increased positioning accuracy.

The TG621S-BD contains SkyTraq Venus 8 positioning engine inside, featuring high sensitivity for indoor fix, low power consumption, and fast TTFF. The superior -148dBm cold start sensitivity allows it to acquire, track, and get position fix autonomously in difficult weak signal environment. The receiver’s -165dBm tracking sensitivity allows continuous position coverage in nearly all application environments. The high performance signal parameter search engine is capable of testing 16 million time-frequency hypotheses per second, offering industry-leading signal acquisition and TTFF speed.

金沙电玩城捕鱼输钱 The receiver can operate in GPS-only, Beidou-only, and Beidou + GPS modes under user selection.



Receiver Type

L1 C/A code, 167-channel Venus 8 engine

Accuracy

Position 2.5m CEP

 

Velocity 0.1m/sec

 

Time 10ns

Startup Time

1 second hot start under open sky

 

< 29 second warm start under open sky (average)

 

29 second cold start under open sky (average)

Reacquisition

1s

Sensitivity

-148dBm cold start

 

-160dBm re-acquisition

 

-165dBm tracking

Multi-path Mitigation

Advanced multi-path detection and suppression

A-GPS

7-day sever-based AFPS(ROM and Flash type)

 

Self-aided ephemeris  estimationFlash type

Update Rate

1/2/4/5/8/10/20/ Hz for GPS/ BeiDou (1Hz default)

Dynamics

4G (39.2m/sec2)

Operational Limits

Altitude < 18,000m or velocity < 515m/s

Serial Interface

3.3V LVTTL level

Protocol

NMEA-0183 V3.01   Skytraq binary

 

9600 baud, 8, N, 1

Datum

Default WGS-84

 

User definable

Input Voltage

3.3V DC +/-10%

Input Current

40mA  Tracking     45mA  Acquisition     

Dimension

16.0mm L x 12.2mm W

Weight:

1.6g

Operating Temperature

-40Oc ~ +85oC

Storage Temperature

-55 ~ +100oC

Humidity

5% ~ 95%

 


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