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

Product Attributes

Introduction

RX20BSA is an ASK receiver module operating at 315MHz/433.92MHz. The module features high sensitivity (-118dBm), low power consumption (<5.3mA), high dynamic range (>90dB), and strong anti-interference performance. Designed with the highly integrated VT211R chip, the module incorporates a built-in LNA, mixer, filter, PLL, and voltage regulator, delivering stable and reliable performance. The RX20BSA operates over a supply voltage range of 2.5~5.5V with a normal operating current of 4.8 - 5.1mA and a maximum receive sensitivity of -118dBm. The module dimensions are 23.8mm*8.64mm.

Features

• Operating frequency band 315/433.92 MHz
• Data rate range 1 - 20 kbps
• Sensitivity -118 dBm (3 kbps), 0.1% BER
• Receiver bandwidth 400 kHz @ 433.92 MHz, 300 kHz @ 315 MHz
• Image rejection ratio 37 dB
• Maximum input signal 10 dBm
• Supply voltage 2.5 – 5.5 V
• Low power consumption 4.8mA @ 315 MHz, 5.1mA @ 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