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AT6668 High-Precision GPS/BDS Dual-Navigation Module Featuring Integrated SMA Antenna

Original price was: $12.50.Current price is: $8.33.

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Description

Unit GPS SMA is a GNSS global positioning and navigation unit that integrates the high-performance ATGM336H navigation module from CASIC, using the AT6668 chipset, paired with an active external antenna to provide more accurate and reliable satellite positioning services. Compared to previous products, the AT6668 supports multi-frequency and multi-mode GNSS signal reception, capable of receiving signals from multiple satellite navigation systems (including GPS, BD2, BD3, GLONASS, GALILEO, and QZSS), supporting multi-system joint positioning and single-system independent positioning, with stronger anti-interference capabilities and higher positioning accuracy. In areas with weak signals, it can quickly obtain higher precision location information. This module is suitable for high-precision positioning applications such as vehicle positioning and navigation, IoT positioning devices, etc.

Features

  • Supports multiple satellite navigation systems (GPS/QZSS/BD2/BD3/GAL/GLO)
  • Multi-frequency and multi-system reception
  • Multi-channel
  • External active antenna
  • 2 x LEGO-compatible holes
  • Programming platforms: Arduino, UIFlow, ESP-IDF, etc.

Includes

  • 1 x Unit GPS SMA
  • 1 x HY2.0-4P Grove cable (20cm)
  • 1 x Active external antenna

Applications

  • Vehicle positioning and navigation
  • Wearable devices
  • IoT positioning devices
  • Drones
  • Portable devices
  • Bus stop announcements

Specifications

Specification Parameter
SoC AT6668
Supported Satellite Systems GPS/QZSS/BD2/BD3/GAL/GLO
Frequencies:
BDS:B1I+B1C
GPS/QZSS/SBAS:L1
GALILEO:E1
GLONASS:R1
Channels 50 channels
Communication UART communication, default 115200bps@8N1
Positioning Accuracy <1.5m (CEP50)
Positioning Update Rate Up to 10Hz
Protocol NMEA0183 4.1
Sensitivity Tracking: -162dBm, Acquisition: -160dBm, Cold Start: -148dBm
Start Time Cold Start: 23 seconds, Hot Start: 1 second
Antenna SMA active external antenna (internal screw, internal pin), Gain: 30DBI, Frequency: 1555MHz~1580MHz, Length: 1m, Size: 38 x 36 x 13mm
Power Consumption Standby: DC 5V/31.64mA
Operating: DC 5V/40.90mA
Product Size 71.4 x 24.0 x 8.0mm
Product Weight 47.3g
Package Size 170.0 x 120.0 x 9.0mm
Gross Weight 53.6g

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