آر اف (فرکانس رادیویی) و بی‌سیم گیرندهٔ آر‌اف

Product Attributes

Introduction

This module is designed based on the ZHONGKEWEI AT9980B chip, featuring a high-performance single-BeiDou single-mode dual-frequency GNSS receiver module. It integrates RF front-end LNA and SAW, digital baseband core, BeiDou signal processing engine, and power management functions. Supporting multiple BeiDou satellite frequency band signals including B1I, B1C, B2I, B3I, B2a, and B2b, it enables fast satellite acquisition and accurate positioning.

Features

• Single-mode multi-frequency fast positioning
• Supports BeiDou-2 and BeiDou-3 systems
• Supports A-BDS
• Active antenna detection and protection
• Integrated DCDC and LDO power management
• Supports 3.3V single-supply (using internal DCDC) or 1.8V~3.3V single-supply for RTC circuit
• Built-in active antenna power supply at module antenna port, no external wiring required
• RTC and backup circuit supply voltage as low as 1.4V
• Power consumption: ~35mA@3.3V during continuous BDS operation; standby current 50uA

Applications

• Automotive positioning and navigation phones
• Tablet computers
• Handheld devices
• Embedded positioning devices
• Wearable devices