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

Product Attributes

Introduction

RX831_PLUS is an ASK receiver module operating at 315MHz/433.92MHz. The module features high sensitivity (-120dBm), low power consumption (<14mA), and high dynamic range (>90dB), along with excellent anti-interference performance. Designed with the highly integrated VT831R chip, the module incorporates a built-in LNA, mixer, filter, PLL, and voltage regulator, delivering stable and reliable performance.

The RX831_PLUS operates over a supply voltage range of 3.0~5.5V with a typical operating current of 14mA and a maximum receive sensitivity of -120dBm. The module dimensions are 25.4mm × 9.64mm.

Features

• Operating frequency band 315/433.92 MHz
• Data rate range 1 - 5 kbps
• Sensitivity -120 dBm (3 kbps), 0.1% BER
• Receiver bandwidth 500 kHz @ 433.92 MHz, 370 kHz @ 315 MHz
• Image rejection ratio 33 dB
• Maximum input signal 10 dBm
• Supply voltage 3.0 – 5.5 V
• Low power consumption 12.0 mA @ 315 MHz, 14.0 mA @ 433.92 MHz

Applications

• Remote access control systems
• Tire pressure monitoring devices
• Remote-controlled fans and lighting switches
• Wireless sensor data transmission
• IR receiver replacement
• Toy remote control