N503AS CC1101 RF Module | Low-Cost Sub-1GHz Transceiver for Arduino & IoT
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N503AS CC1101 Module
N503AS is a compact, ultra-low-cost Sub-1GHz RF transceiver module based on the ubiquitous TI CC1101 chip. It delivers reliable wireless connectivity for 433/868/915MHz applications, featuring extremely low power consumption and an easy-to-use SPI interface, making it a perfect choice for rapid IoT development with Arduino and other platforms.
Key Advantages at a Glance
💰 Exceptional Value: Leverages the proven, cost-effective TI CC1101 solution.
🛌 Ultra-Low Power: Deep sleep current as low as 0.2 µA for battery-operated devices.
🌍 Global Band Support: Operates on 433MHz, 868MHz, and 915MHz ISM bands for worldwide deployment.
⚡ Rapid Integration: Simple SPI interface with all pins broken out. Extensive Arduino library support allows for quick development without RF expertise.
📐 Ultra-Compact Design: Tiny 17 x 16 mm SMD package ideal for space-constrained applications.
Technical Specifications Snapshot
| Category | Specification |
|---|---|
| Core IC | Texas Instruments CC1101 |
| Frequency Bands | 433, 868, 915 MHz |
| Max. Output Power | +12 dBm |
| Receiver Sensitivity | -116 dBm (typical) |
| Host Interface | SPI (MOSI, MISO, SCK, CSN) |
| Supply Voltage | 1.8V - 3.6V (3.3V Typical) |
| TX Current | ~35 mA (@ +12 dBm) |
| RX Current | ~18 mA |
| Sleep Current | 0.2 µA |
| Typical Range | ~500 m (Line-of-Sight) |
| Dimensions (LxWxH) | 17.0 x 16.0 x 3.0 mm |
Ideal For These Applications
Smart Metering (AMR): Water/Gas/Heat meters with Wireless M-Bus (WMBus) support.
Home & Building Automation: Security sensors, smart lighting, HVAC control.
Industrial Wireless Sensor Networks (WSN): Monitoring, telemetry, and control.
Ultra-Low-Power Remote Controls & Sensors.
Prototyping & Education: Arduino projects and DIY electronics.
Get Started Quickly
Connect: Interface via SPI to your host MCU (Arduino, STM32, ESP32, etc.).
Attach Antenna: Connect a simple wire or PCB antenna to the RF pad.
Program: Use readily available CC1101 libraries for Arduino or embedded platforms.
Ordering Information
| Model | Target Frequency Band | Output Power |
|---|---|---|
| N503AS-433M | 410 – 464 MHz | +12 dBm |
| N503AS-868M | 860 – 928 MHz | +12 dBm |
Contact us for volume pricing and custom frequency variants.
Resources & Support:
📄 Download: [N503AS Datasheet] | [CC1101 Chip Documentation]
💬 Support: Our engineering team provides integration guidance.
🛒 Samples: Available through our sales network.
N503AS — Making reliable wireless connectivity simple and affordable for every IoT device.