N542AS High-Power RF Module | Si4463-Based | +33dBm | 169/433/868/915MHz
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N542AS High-Power, Long-Range Sub-1 GHz Wireless Module
Based on Silicon Labs Si4463 | Up to +33 dBm Output | 8 km Range
Product Overview
The N542AS is a high-performance, long-range wireless module designed for demanding IoT applications where distance and link reliability are critical. Integrating the robust Silicon Labs Si4463 transceiver with an external high-power amplifier, it delivers an exceptional +33 dBm output power, enabling reliable communication over distances up to 8 kilometers line-of-sight. Supporting key Sub-1 GHz ISM bands (169, 433, 868, 915 MHz), it combines extreme range with the ultra-low sleep current of the Si4463, making it ideal for battery-operated, wide-area sensor networks and telemetry.
Key Features & Benefits
Exceptional High Power Output: Delivers up to +33 dBm, maximizing range and penetration in challenging environments.
Ultra-Long Range: Achieves reliable communication up to 8000 meters under ideal conditions, far surpassing standard modules.
Multi-Band Global Support: Available in variants for 169, 433, 868, and 915 MHz bands, suitable for global deployments (EU, USA, China, etc.).
Superior Receiver Performance: High sensitivity of -123 dBm ensures stable links even at low data rates.
Ultra-Low Power in Sleep: Consumes only 0.1 µA in sleep mode, preserving battery life for years in duty-cycled applications.
Complete Development Control: All Si4463 pins are accessible via the module's SPI interface for full hardware and firmware customization.
Robust Design: Operates across a wide temperature range (-40°C to +85°C) for industrial and outdoor use.
Applications
Industrial IoT & SCADA: Long-range monitoring and control in oil & gas, utilities, and manufacturing.
Smart Agriculture & Environmental Sensing: Wide-area soil monitoring, weather stations, and forest protection.
Advanced Metering Infrastructure (AMI): Long-distance collection for water/gas/electricity meters in sparse areas.
Urban Infrastructure & Security: City-wide sensor networks for lighting, waste management, and perimeter security.
Telemetry & Remote Control: Drone command links, remote actuator control, and scientific data acquisition.
Technical Specifications
RF & Performance Specifications
| Parameter | Specification | Conditions / Notes |
|---|---|---|
| Frequency Bands | 169, 433, 868, 915 MHz | Model dependent (see ordering info) |
| Max. Output Power | +33 dBm | |
| Receiver Sensitivity | -123 dBm | @ 1.2 kbps |
| Modulation | (G)FSK, OOK | Programmable via Si4463 |
| Data Symbol Rate | 0.3 - 500 kbps | |
| Typical Range | 8000 m | Line-of-sight, ideal conditions |
| Antenna Interface | RF Pad & IPEX Connector | 50 Ω impedance |
Electrical & Physical Specifications
| Parameter | Specification |
|---|---|
| Supply Voltage | 5.0 V (Required for PA) |
| Tx Current (Peak) | ~1000 mA @ +33 dBm |
| Rx Current | 18 mA |
| Sleep Current | 12 µA |
| Operating Temperature | -40°C to +85°C |
| Module Dimensions | 36.0 x 24.0 x 3.0 mm |
| Host Interface | SPI (Full control of Si4463) |
| Package | Surface Mount (SMD) |
Ordering Information
| Ordering Code | Core IC | Target Frequency Band | Output Power |
|---|---|---|---|
| N542AS-169M | Si4463 + PA | 160 - 175 MHz | +33 dBm |
| N542AS-433M | Si4463 + PA | 410 - 480 MHz | +33 dBm |
| N542AS-868M | Si4463 + PA | 860 - 880 MHz | +33 dBm |
| N542AS-915M | Si4463 + PA | 902 - 928 MHz | +33 dBm |
Contact us for custom frequency variants, conformance testing support, or volume pricing.
Why Choose N542AS?
Solve Extreme Range Challenges: Bridge vast distances without complex repeater networks.
Reliability in Tough RF Environments: High power and excellent sensitivity overcome interference and obstacles.
Design for Long-Term Deployment: Ultra-low sleep current and industrial temperature rating ensure longevity.
Developer-Friendly Platform: Direct SPI access to the Si4463 allows implementation of any proprietary or standard protocol.
Resources & Support
[Download N542AS Datasheet] - Complete technical specifications.
[Download Silicon Labs Si4463 Datasheet] - Underlying chip documentation.
[Request Evaluation Kit or Samples] - Start testing in your design.
[Contact Technical Support] - For integration assistance and custom inquiries.
Extend Your Wireless Reach to the Horizon. Contact us today to discuss your project requirements.