آر اف (فرکانس رادیویی) و بی‌سیم ماژول‌ فرستنده‌گیرنده و مودم آر اف

Product Attributes

Introduction

VG2389SxxxN0S1 series wireless module is a small, low-power, long-distance two-way wireless transceiver module. The SX1278 transceiver uses LoRa remote modem to provide ultra-long-distance spread spectrum communication and high anti-interference, while minimizing current consumption. Using Semtech's patented LoRa modulation technology SX1278 can achieve a sensitivity exceeding -148dBm. The combination of high sensitivity and an integrated +20 dBm power amplifier produces an industry-leading link budget, making it suitable for any application that requires range or robustness. Compared with traditional modulation technology, LoRa has significant advantages in terms of blocking and selectivity, which solves the trade-off problem between distance, anti-interference and energy consumption in traditional designs. These devices also support the high-performance (G) FSK mode of systems such as WMBus and IEEE802.15.4g. SX1278 provides excellent phase noise, selectivity, receiver linearity and IIP3, and compared with competing devices, the current consumption is significantly reduced. The module integrates all RF-related functions and devices. Users do not need to have an in-depth understanding of RF circuit design, and can use this module to easily develop wireless solutions and wireless IoT devices with stable performance and high reliability.

Features

• LoRa modem
• 168 dB maximum link budget
• +20 dBm - 100 mW constant RF output and V power supply
• +14 dBm high efficiency power amplifier
• Programmable bit rate up to 300 kbps
• High sensitivity: as low as -148 dBm
• Bulletproof front end: IP3 = -11 dBm
• Excellent blocking immunity
• Low RX current 9.9 mA, 200 nA register reserved
• Fully integrated synthesizer with a resolution of 61hz
• FSK, GFSK, MSK, GMSK, LoRa and OOK modulation
• Built-in bit synchronizer for clock recovery
• Preamble detection
• 127 dB dynamic range RSSI
• Automatic RF detection and CAD based on ultra-fast AFC
• Packet engine, up to 256 bytes, with CRC
• Built-in temperature sensor and low battery indicator

Applications

• Smart meter
• Supply chain and logistics
• Building automation
• Agricultural sensor
• Smart City
• Retail store sensors
• Asset tracking
• Street lights
• Parking sensor
• Environmental sensor
• Medical care
• Safety and security sensors
• Remote control application