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

Product Attributes

Introduction

LLCC68STR4-GC is a wireless RF module developed based on Semtech's latest-generation LLCC68 RF chip. The module adopts advanced LoRa modulation technology, delivering significantly superior interference immunity and communication range compared to conventional FSK and GFSK modulation schemes, while also supporting FSK modulation mode. Featuring a compact form factor, low power consumption, long transmission range, and strong anti-interference capability, the module is well-suited for a wide range of wireless communication applications in the IoT sector.

Features

• 433MHz band support with strong penetration
• Max transmit power 22dBm, software-adjustable
• Ultra-low receive current of only 5mA
• Communication range up to 5km under ideal conditions
• LoRa modulation support, compatible with FSK and GFSK legacy modulation modes
• SPI interface, directly connectable to various MCUs
• Wide operating voltage range: 1.8 ~ 3.7V
• Industrial-grade design, stable operation over -40 ~ +85℃ temperature range
• Ultra-compact form factor: 11.5×11.5mm
• Stamp-hole design for mass production compatibility

Applications

• Shared tissue box
• Smart hotel
• Smoke alarm
• Shared massage chair
• Smart home