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带天线的GNSS模块 ZBT -S1818

产品尺寸: 18.5mm L x 20.5mm W x 7.5mm H

主要特性: High-Performance Low-Cost 167 Channel high sensitivity

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S1818

新葡萄京娱乐场彩票 High-Performance Low-Cost 167 Channel SMD Global Positioning Receiver Module

The S1818 is state-of-the-art global navigation satellite system receivers capable of using GPS, GPS/Beidou signal under the same footprint. User can upgrade from GPS navigation system to GPS/Beidou dual-satellite navigation systems by choosing appropriate model type without hardware redesign.

新葡萄京娱乐场彩票 Its NMEA output is the same format as GPS receivers, thus users can effortlessly upgrade GPS product to GPS/Beidou product without needing modification on the application software.

新葡萄京娱乐场彩票 Dual-satellite navigation receiver module receives greater number of satellites than available for GPS-only receivers. The increased satellite number offers superior performance in challenging urban canyon and multipath environments.

The S1818 module 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.

新葡萄京娱乐场彩票 The S1818 module contains LNA for easy integration with passive antenna and a SAW filter for increased jamming immunity. It works with both passive and active antenna; the self-contained antenna detection and short circuit protection feature enables lowest integration cost for system integrators using active antenna.


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 estimation(Flash type)

Update Rate

1/2/4/5/8/10/20/25/40/50HzforFlashGPS(default1Hz)

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

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 48mA Acquisition S1818

50mA Tracking 55mA Acquisition S1818-BD

Dimension

18.5mm L x 20.5mm W x 7.5mm H

Operating Temperature

-40Oc ~ +85oC

Storage Temperature

-55 ~ +100oC

Humidity

5% ~ 95%


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