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SparkFun GPS-RTK Dead Reckoning Kit套件 (SMA) ZED-F9R（KIT-23452）
The SparkFun GPS-RTK Dead Reckoning Kit provides you with what you need to start with GPS Real Time Kinematics and the u-blox ZED-F9R.
【Kit Includes】清單：
- 1x SparkFun GPS-RTK Dead Reckoning Breakout - ZED-F9R, SMA (Qwiic)
- 1x GNSS Multi-Band Magnetic Mount Antenna - 5m (SMA) 天線
- 1x Reversible USB A to C Cable - 0.8m USB線
The SparkFun GPS-RTK Dead Reckoning Kit (SMA) gives precisely what you need to get started using u-blox's ZED-F9R and GPS Real Time Kinematics. The SparkFun ZED-F9R GPS Breakout is a high precision, sensor fusion GPS board with equally impressive configuration options and takes advantage of u-blox's Automotive Dead Reckoning (ADR) technology. The ZED-F9R module provides a highly accurate and continuous position by fusing a 3D IMU sensor, wheel ticks, a vehicle dynamics model, correction data, and GNSS measurements.
The ZED-F9R module is an 184-channel u-blox F9 engine GNSS receiver, meaning it can receive signals from the GPS, GLONASS, Galileo, and BeiDou constellations with ~0.1 meter horizontal position accuracy! That's right, such accuracy can be achieved with an RTK navigation solution when used with a correction source. Note that the ZED-F9R can only operate as a rover, so you will need to connect to a base station. The module supports the concurrent reception of four GNSS systems. The combination of GNSS and integrated 3D sensor measurements on the ZED-F9R provides accurate, real-time positioning rates of up to 30Hz.／
＊ZED-F9R 模組是一款 184 通道 u-blox F9 引擎 GNSS 接收器，這意味著它可以接收來自 GPS、GLONASS、Galileo 和北斗星座的訊號，水平位置精度可達 ~0.1 公尺！
＊沒錯，這種精度可以透過 RTK 導航解決方案與校正源配合使用來實現。請注意，ZED-F9R 只能用作流動站，因此您需要連接到基地台。
＊此模組支援同時接收四個 GNSS 系統。 ZED-F9R 上的 GNSS 和整合 3D 感測器測量相結合，可提供高達 30Hz 的精確即時定位速率。
This breakout maximizes position accuracy in dense cities or covered areas compared to other GPS modules. Even under poor signal conditions, continuous positioning is provided in urban environments and available during complete signal loss (e.g., short tunnels and parking garages). The ZED-F9R is the ultimate solution for autonomous robotic applications that require accurate positioning under challenging conditions.
This u-blox receiver also supports I2C (u-blox calls this Display Data Channel), making it perfect for Qwiic compatibility, so we don't have to use up our precious UART ports. Utilizing our handy Qwiic system, no soldering is required to connect it to the rest of your system. However, we still have broken out 0.1"-spaced pins if you prefer a breadboard.
U-blox-based GPS products are configurable using the popular but dense Windows program u-center. Many different functions can be configured on the ZED-F9R: baud rates, update rates, geofencing, spoofing detection, external interrupts, SBAS/D-GPS, etc. All of this can be done within the SparkFun Arduino Library!
The SparkFun ZED-F9R GPS Breakout also has an onboard rechargeable battery that provides power to the RTC on the ZED-F9R. This reduces the time-to-first fix from a cold start (~26s) to a hot start (~2s). The battery will maintain RTC and GNSS orbit data without being connected to power for plenty of time.
Also included with this kit is a GNSS multiband antenna and a reversible USB-A to C cable. The antenna features a magnetic base receiving the classic L1 and L2 GPS bands. Meanwhile, the included cables will make sure hooking up each part in the kit is easy!／該套件還包含一條 GNSS 多頻段天線和一條可反轉的 USB-C線。天線配備磁性底座，可接收經典的 L1 和 L2 GPS 頻段。同時，隨附的線纜可確保輕鬆連接套件中的各個部件！
【Features & Specs】：
〔GPS-RTK Dead Reckoning Breakout - ZED-F9R, SMA〕:
- 2x Qwiic Connectors
- Integrated SMA connector for use with antenna of your choice
- Concurrent reception of GPS, GLONASS, Galileo and BeiDou
- 184-Channel GNSS Receiver 184通道
- Receives both L1C/A and L2C bands
- 〔Horizontal Position Accuracy〕水平位置：
- 〔Max Navigation Rate〕最大航速：Up to 30Hz
- 〔Time to First Fix 〕修復時間：
- 〔Operational Limits〕操作：
- Max G： ≤4G
- Max Altitude： 80km (49.7 miles)
- Max Velocity： 500m/s (1118mph)
- 〔Velocity Accuracy 速度〕： 0.05m/s
- 〔Heading Accuracy 航向〕： 0.2 degrees
- Built-In Accelerometer and Gyroscope
- 〔Time Pulse Accuracy〕時間脈衝： 30ns
- 〔Voltage 電壓〕：5V or 3.3V but all logic is 3.3V
- 〔Current 電流〕： ~85mA to ~130mA (varies with constellations and tracking state)
- 〔Software Configurable〕軟體：
- Geofencing
- Odometer
- Spoofing Detection
- External Interrupt
- Pin Control
- Low Power Mode 低功耗
- Many others!
- 支援Supports NMEA, UBX, and RTCM protocols over UART or I2C interfaces
- 〔Dimensions 尺寸〕：43.18mm x 50.8mm (1.7in x 2.0in)
- 〔Weight 重量〕：12.1g
〔Antenna〕天線：
- Frequency：
- L1 Band： 1559-1606MHz
- L2/L5 Band： 1197-1249MHz
- Peak gain (over 15cm diameter ground plane):
- L1 Band： 3.5dBic
- L2/L5 Band： 0-2.0dBic
- VSWR: max. 2
- Bandwidth： min. 200MHz
- Impedance： 50 Ohm
- Polarization RHCP
- Supports GPS, GLONASS, Galileo, and BeiDou
- 5m coaxial cable with SMA connector
- Magnetic base, fixed installation option (screw mount, 2 x M4 screws)磁性底座，M4螺絲
- Dimensions 尺寸： 60.0mm x 82.0mm x 22.5mm
- Weight 重： 175g (including cable)
〔USB Cable〕USB線：
- Reversible USB-A connector
- Reversible USB-C connector
- 0.8 meter cable length（約80CM線長）
