N538BS | TI CC1312R + PA/LNA | +35dBm, 10km Range | 433/868/915MHz High-Power Wireless Module
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N538BS High-Power, Long-Range Sub-1GHz Wireless Module
Based on Texas Instruments CC1312R with Integrated PA/LNA | +35 dBm Output | Up to 10 km Range
Product Overview
The N538BS is an industrial-grade, high-performance wireless module engineered for applications demanding exceptional range and link reliability. It integrates the powerful Texas Instruments CC1312R wireless microcontroller with a high-efficiency Power Amplifier (PA) and Low-Noise Amplifier (LNA), achieving a remarkable +35 dBm (3.2W) output power. Supporting key global Sub-1GHz ISM bands from 410 MHz to 915 MHz, it delivers robust communication over distances up to 10 kilometers, while maintaining the ultra-low power consumption characteristics of the CC1312R platform. Its 4-layer PCB design ensures optimal RF performance and stability for mission-critical IoT deployments.
Key Features & Benefits
Exceptional High Power Output: +35 dBm maximum transmit power provides superior range and penetration through obstacles, ideal for challenging environments.
Outstanding Receiver Sensitivity: -112 dBm sensitivity (at 50 kbps) ensures a stable and reliable radio link, even at low data rates.
Multi-Band Global Flexibility: Supports major ISM bands including 433 MHz, 868 MHz, 915 MHz, and specialized bands like 169 MHz (for EU utilities) and 770 MHz (China), enabling worldwide deployment.
Optimized for Battery Life: Leverages the CC1312R's advanced power management, allowing for years of operation in battery-powered, duty-cycled applications.
Robust & Reliable Design: 4-layer PCB with professional impedance control and integrated LNA enhances overall link budget and anti-interference capability.
Complete Development Platform: All CC1312R pins (GPIO, SPI, UART) are accessible for full secondary development, sensor integration, and custom firmware.
High Integration: Combines MCU, RF core, PA, and LNA in a compact 36 x 24 mm SMD package, simplifying system design.
Target Applications
Advanced Metering Infrastructure (AMI): Long-range smart water, gas, and electricity meters.
Industrial IoT & Automation: Remote process monitoring, wireless sensor networks (WSNs), and equipment telemetry.
Smart City & Utility Networks: Street lighting control, environmental monitoring, and distributed sensor grids.
Agricultural & Environmental Sensing: Large-scale farm monitoring, weather stations, and remote data acquisition.
Long-Distance Telemetry & Control: Remote control systems and scientific data backhaul.
Technical Specifications Summary
| Category | Parameter | Specification |
|---|---|---|
| RF Core | MCU / Radio | Texas Instruments CC1312R |
| PA / LNA | Integrated High-Power Front-End | |
| RF Performance | Frequency Range | 410 - 960 MHz (Model Specific: 433, 868, 915 MHz) |
| Max. Output Power | +35 dBm | |
| Receiver Sensitivity | -112 dBm @ 50 kbps (868 MHz) | |
| Max. Data Rate | Up to 4000 kbps | |
| Typical Range | 10 000 m (Line-of-sight, ideal conditions) | |
| Electrical | Supply Voltage (MCU VCC) | 3.0V - 3.6V (Typ. 3.3V) |
| Supply Voltage (PA VCCPA) | 4.5V - 5.5V (Required for high-power TX) | |
| TX Current | ~1300 mA (Typ. @ +35 dBm) | |
| RX Current | 12 mA | |
| Sleep Current | < 10 µA (CC1312R low-power modes) | |
| Physical & Interface | Dimensions | 36.0 x 24.0 x 3.0 mm |
| Antenna Interface | IPEX Connector & RF Pad | |
| Host Interfaces | SPI, UART, Programmable GPIOs | |
| Package | Surface Mount (SMD) | |
| Operating Temperature | -30°C to +70°C |
N538BS Module Pinout Description
| Pin No. | Pin Name | Type | Description |
|---|---|---|---|
| 1 | GND | Power | Power Ground. |
| 2 | GND | Power | Power Ground. |
| 3 | VCCPA | Power | PA Power Supply (High Current). Range: 4.5V - 5.5V. |
| 4 | VCCPA | Power | PA Power Supply (High Current). Range: 4.5V - 5.5V. |
| 5 | GND | Power | Power Ground. |
| 6 | DIO2 | Digital I/O | Programmable GPIO of the CC1312R MCU. |
| 7 | DIO3 | Digital I/O | Programmable GPIO of the CC1312R MCU. |
| 8 | DIO5 | Digital I/O | Programmable GPIO of the CC1312R MCU. |
| 9 | DIO6 | Digital I/O | Programmable GPIO of the CC1312R MCU. |
| 10 | DIO7 | Digital I/O | Programmable GPIO of the CC1312R MCU. |
| 11 | DIO8 | Digital I/O | Programmable GPIO of the CC1312R MCU. |
| 12 | VCC | Power | MCU Core Supply. Range: 3.0V - 3.6V (Typ. 3.3V). |
| 13 | GND | Power | Power Ground. |
| 14 | RESET | Digital Input | Module Hardware Reset (Active Low). |
| 15 | TMS | Digital I/O | JTAG Test Mode Select for debugging/programming. |
| 16 | TCK | Digital Input | JTAG Test Clock for debugging/programming. |
| 17 | DIO18 | Digital I/O | Programmable GPIO of the CC1312R MCU. |
| 18 | DIO19 | Digital I/O | Programmable GPIO of the CC1312R MCU. |
| 19 | DIO20 | Digital I/O | Programmable GPIO of the CC1312R MCU. |
| 20 | DIO21 | Digital I/O | Programmable GPIO of the CC1312R MCU. |
| 21 | DIO22 | Digital I/O | Programmable GPIO of the CC1312R MCU. |
| 22 | DIO23 | ADC/Digital I/O | Programmable GPIO of the CC1312R MCU. |
| 23 | DIO24 | ADC/Digital I/O | Programmable GPIO of the CC1312R MCU. |
| 24 | DIO25 | ADC/Digital I/O | Programmable GPIO of the CC1312R MCU. |
| 25 | RF | RF I/O | 50Ω Antenna Port. Connect to antenna via IPEX or microstrip. |
| 26 | GND | Power | Power Ground. |
Ordering Information
| Ordering Code | Core IC | Target Frequency Band | Output Power |
|---|---|---|---|
| N538BS-CC1312R-433M | CC1312R + PA/LNA | 410 - 510 MHz | +35 dBm |
| N538BS-CC1312R-868M | CC1312R + PA/LNA | 860 - 880 MHz | +35 dBm |
| N538BS-CC1312R-915M | CC1312R + PA/LNA | 902 - 928 MHz | +35 dBm |
Contact us for custom frequency configurations, antenna options, or regulatory pre-certification support.
Why Choose the N538BS Module?
Solve Extreme Range Challenges: Bridge vast distances without the need for complex repeater networks.
Reliability is Built-In: High power, excellent sensitivity, and robust PCB design ensure a stable link in industrial settings.
Accelerate Time-to-Market: The fully integrated, certified RF design allows you to focus on your application.
Future-Proof Platform: The powerful CC1312R MCU offers ample resources for running your application logic and advanced wireless stacks.
4. Product Line Positioning: Find Your Fit
The N624PA is designed for a fundamentally different development path compared to our full-stack modules.
| Feature Model | N621PA Module | N538BS Module | N624PA Module | N538BS Module |
|---|---|---|---|---|
| Core MCU | CC1312R | CC1312R | CC1314R10 | CC1314R10 |
| On-Chip Flash | 352KB | 352KB | 1 MB | 1 MB |
| Core Value | Balanced Custom Stack | High-Performance Custom Stack | Pre-Integrated Standard Protocols | Pre-Integrated Standard Protocols |
| Development Focus | Develop complex, feature-rich proprietary stacks. | Develop highly optimized, proprietary stacks. | Develop your application only, using pre-built, certified stacks. | Develop your application only, using pre-built, certified stacks. |
| Ideal For | Custom apps needing more code space and features. | Performance-critical networks needing maximum RF control. | Smart Utilities (AMI), Smart Cities, projects needing Wi-SUN/WM-Bus, or minimizing dev time & risk. | Smart Utilities (AMI), Smart Cities, projects needing Wi-SUN/WM-Bus, or minimizing dev time & risk. |
| Next Step | Learn More → | Learn More → | Learn More→ | Learn More → |
Simple Selection Guide:
Choose the N536 Series (N538BS/N538ES) if you are building a unique, proprietary protocol and have the resources for full-stack development.
Choose the N538BS if your project requires standard protocols (like Wi-SUN or Wireless M-Bus) or your primary goal is to minimize development time, cost, and risk.
5. Start Your Project
📥 Download N538BS datasheet – Overview, key specs, and ordering guide.
📥 Request N538BS User Guide – (Available under NDA) Includes full datasheet, reference schematics, PCB layout, and BOM.
🛠 Schedule a Technical Consultation – Discuss your application and protocol requirements with our solutions architects.
📦 Request Samples & Quote – Begin your evaluation and design-in process
6. Discover the Long-Range Module
[🚀 Discover the 1W Basic Module] [🚀 Unlock the 3.2W High-Performance Module]
Resources & Next Steps
Engineered for Distance. Built for Reliability.