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

Product Attributes

Introduction

The A7139S433Mini wireless module is a low-cost, high-efficiency transceiver module operating below 1GHz, customizable across the 315 / 433 / 470 / 868 / 915 MHz ISM/SRD frequency bands within 1GHz. This module has been deployed at massive scale in national-standard smart wireless meter reading, IoT mesh networking, and other bidirectional data transmission system solutions. It has also gained widespread adoption among leading automotive anti-theft device manufacturers in mainland China and Taiwan. The module features an ultra-compact form factor, low power consumption, high receive sensitivity, and high transmit power, making it the preferred choice for both short- and long-range wireless data transmission applications.

Features

• Operating frequency bands: 315/433/470/510/868/915MHz, customizable
• Dual modulation modes: GFSK/FSK, programmable
• Operating voltage: 2.2~3.6V DC
• Low power consumption: RX current <4mA (AGC Off), ultra-low power mode available with <0.3uA standby current
• WOR function with configurable standby/receive switching interval for reduced power consumption
• Transmission range >1000m in open field
• Programmable output power: -40dBm~+20dBm
• High receive sensitivity: -117dBm (2Kbps)
• Data rate: 2~250Kbps, programmable
• Precision digital RSSI carrier signal strength detection
• Supports FIFO and Direct data transfer modes
• Supports 3-wire or 4-wire SPI communication modes
• Ultra-compact design: 11×15mm

Applications

• Logistics tracking, warehouse inspection, electronic labels, etc.
• Replacement for RS-232/RS-485 wireless data communication
• Industrial instrumentation wireless data acquisition and control
• AMR (water, electricity, gas) meter reading
• Building and residential (smart home) control
• Consumer electronics wireless remote control
• Wireless alarm and security systems
• Wireless sensor networks