آر اف (فرکانس رادیویی) و بی‌سیم گیرندهٔ آر‌اف

Product Attributes

Introduction

The AT9880 is a high-performance GNSS dual-frequency multi-constellation satellite navigation receiver SOC. It integrates an RF front-end, digital baseband, multi-constellation satellite signal processing engine, and power management functions. The chip supports L1 and L5 dual-frequency signal reception and enables combined positioning across multiple satellite navigation systems, including BeiDou, GPS, GLONASS, and Galileo. It supports BeiDou-2 and BeiDou-3, as well as B1I and B1C signals.

Features

• Dual-frequency L1 and L5 signal reception
• BDS/GPS/Galileo/GLONASS multi-constellation and single-constellation positioning
• BeiDou-2/3 support
• B1I and B1C support
• QZSS and SBAS support
• A-GNSS and D-GNSS support
• Active antenna detection and protection
• Integrated DCDC and LDO
• 3.3V single-supply operation

Applications

• Automotive positioning and navigation
• Timing
• Wearable devices
• IoT positioning devices
• Portable devices such as smartphones and tablets