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

Product Attributes

Introduction

SI4438TR4-GC is a highly integrated wireless ISM-band transceiver IC featuring high receive sensitivity (-124dBm) and +20dBm output power. It supports frequency hopping to extend application range and improve performance. The module offers an ultra-compact form factor, high data rate, RF wake-up, long transmission range, wide frequency coverage, and multiple modulation schemes including (G)FSK/MSK/ASK, enabling reliable operation in complex application environments.

Features

• Operating voltage: 1.8~3.8V
• Receive current: 14mA
• Transmit current: 80mA@+20dBm
• Operating frequency: 433MHz, 470MHz, 868MHz, 915MHz
• Transmit power: +20dBm
• Receive sensitivity: -124dBm@1.2Kbps
• Frequency error: ±5kHz
• FIFO buffer: 64Byte
• Data rate: 0.123~1Mbps
• Modulation: (G)FSK/MSK/ASK
• Interface: SPI
• Sleep current: 30nA
• Operating temperature: -40°C~+85°C
• Digital RSSI
• Automatic frequency correction
• Automatic gain control
• RF wake-up
• Low voltage detection and temperature sensor
• Fast wake-up and frequency hopping
• Highly configurable packet handler
• Antenna diversity and TX/RX switch control
• Compact size: 12.5*16mm

Applications

• Smart hotel switch panel
• Wireless power temperature measurement
• Hot water circulation remote controller
• Thermostat
• Home security alarm
• Industrial remote controller
• Home automation telemetry device
• Detection data logging
• Sensor network
• Wireless PC peripheral
• Tag reader/writer