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Sub-GHz Device Products
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Extended-Range, Ultra-Low-Power Sub-1-GHz Modules and ICs for Robust Sensor Networks
Featured Sub-GHz Devices
SAM R30 Sub-GHz MCU Module and SiP
- Ultra-low-power microcontroller and 802.15.4 radio
- Proprietary self-healing mesh connectivity
ATA8510 Sub-GHz Transceiver MCU SoC
- Combines RF functionality with the proven AVR® processor
- FSK modulation solution
AT86RF215 Dual-Band Transceiver
- Simultaneous 2.4 GHz and sub-GHz operation
- Supports a variety of data rates with three modulation schemes
Why Choose Our Sub-GHz Solutions?
Integrated Design
Our sub-GHz portfolio delivers the industry’s largest link budget. We achieve these results by offloading system-level functions from the MCU to reduce power and computation burden.
Broad Data Rate and Transmission Support
Our sub-GHz product portfolio supports OOK, ASK, FSK, O-QPSK and ORDM modulations with data rates from 1 kbps to 2,400 kbps.
Broad Frequency and Range Support
We support all ISM frequency bands and offer the only commercially available device that supports 2.4 GHz and sub-GHz bands simultaneously.
High Sensitivity
Low-IF receivers provide high sensitivity, high blocking and low intermodulation, eliminating the need for bulky blocking Surface Wave Acoustic (SAW) filters in remote control units.
Low Current Consumption
We provide low current consumption in all three modes—operation, idle and sleep—to give you long battery life (in some cases years).
Adjustable Power Output
Our sub-GHz transceivers provide an adjustable power range starting at −17 dBm and going up to +14.5 dBm.
Key Markets and Applications
Consuming about 75% less power than Wi-Fi, sub-GHz is the optimal wireless technology for low-cost, robust and low-power sensor networks such as metering, smart building and smart city applications.
Smart Energy
- Smart meters
- Solar farms
- Electric Vehicle (EV) chargers
Building Automation
- Alarm systems
- Remote controls
- Access control systems
Smart City
- Intelligent lighting
- Traffic and parking management
- Waste management
Featured
Wireless Solutions for RF Remote Controls
RF remotes provide reliable wireless control that is critical for a wide range of industries, from home automation to industrial systems. This demo includes a remote-controlled garage door opener that communicates with a Bluetooth Low Energy or sub-GHz base station and implements KeeLoq® technology crypto key generation for added security.
Tools and Software
- Demo & Evaluation Boards
- Development Environment
MICRF220 RX Click Board
- Features the MICRF220 SoC
- 315 MHz, ASK/OOK modulation receiver with RSSI and squelch capabilities
MICRF219A RX 2 Click Board
- Features the MICRF219A SoC
- 433 MHz, ASK/OOK modulation receiver with auto-poll and RSSI capabilities
AT86RF215 Xplained Pro Extension Board
- Features the AT86RF215 transceiver
- Evaluates performance in the sub-GHz and 2.4 GHz bands
SAMR30M Xplained Pro Evaluation Kit
- Features the SAMR30M18A module
- Includes extension headers for adding peripherals
MPLAB® Harmony is a modular framework that provides interoperable firmware libraries for application development on 32-bit microcontrollers and microprocessors.
Microchip Studio is an Integrated Development Environment (IDE) for developing and debugging AVR® and SAM microcontroller applications. It merges all of the great features and functionality of Atmel Studio into Microchip’s well-supported portfolio of development tools to give you a seamless and easy-to-use environment for writing, building and debugging your applications written in C/C++ or assembly code.
Software Stacks
Along with supporting IEEE 802.15.4 wireless standards, our sub-GHz products also support proprietary wireless protocols including IP500 and Wi-SUN. Learn more about these technologies below.
- IP500
- Wi-SUN Alliance
- KeeLoq
IP500
IP500 meets the highest requirements for robust and secure wireless networks in smart cities, factories, buildings and homes. These products are well-suited for mission-critical applications such as intrusion, evacuation or fire detection systems. They can be found in:
- Battery-free, energy-harvesting light switches
- Alarm sensors that require years of battery life
- High-performance mesh utility networks supporting smart meters and street lighting
We are one of the device leaders that support this robust mesh network protocol by providing a complete solution:
- AT86RF215: RF front end
- ATSAM4LC8BA: controller
IP500 is available through our design partner, CoreNetiX GmbH.
Wi-SUN Alliance®
We are proud to be a member of the Wireless Smart Utility Networks (Wi-SUN) Alliance, which was formed to drive the adoption of smart utility networks. The Wi-SUN Alliance:
- Defines communications profiles that are based on the IEEE 802.15.4g, 802.15.4e, IPv6, 6LoWPAN and UDP standards
- Offers testing and certification to further ensure interoperability
Like the IEEE standard for Wi-Fi, the Wi-SUN Alliance delivers harmonized operation of products from multiple suppliers.
With multi-modulation, both the AT86RF215M and AT86RF215 802.15.4 sub-GHz transceivers are advanced Wi-SUN solutions. Our partner Exegin provides the complete Wi-SUN stack and tools.
Ultimate KeeLoq® Technology
Ultimate KeeLoq technology delivers enhanced security for Remote Keyless Entry (RKE) systems with a time-based solution that expands on the trusted KeeLoq system. Key features include:
- AES-128 Block Cipher
- Programmable 32-bit serial number
- Timer-driven message counter
Our KeeLoq technology encoder provides a complete, turnkey solution for secure RKE applications in industries like automotive, security, and identity authentication.
Our proprietary, royalty-free and industry-proven KeeLoq hopping code technology is used worldwide by leading manufacturers to provide additional security to their applications.
Is Sub-GHz Right for Your Project?
- Benefits
- Countries and Bands
Sub-GHz Device Benefits
Sub-GHz, sometimes called sub-1-GHz, refers to the radio frequencies that fall below 1 GHz on the electromagnetic spectrum. These frequencies are significant in the wireless industry due to their unique characteristics and advantages.
Longer Range
Firstly, sub-GHz signals possess excellent broadcast capabilities, allowing them to travel over long distances and penetrate obstacles such as walls and buildings more effectively than higher frequencies. This characteristic makes sub-GHz technology well-suited for applications that require wide coverage, such as smart cities, industrial automation, agriculture and utilities.
Robust and Reliable
Sub-GHz frequencies also offer improved robustness and reliability in challenging environments. They are less susceptible to interference from other wireless devices that operate at higher frequencies, providing more stable communication. This makes sub-GHz technology optimal for applications that demand high reliability and security, such as wireless sensor networks, remote monitoring and control systems.
Efficient Power Consumption
Lastly, sub-GHz solutions often have lower power consumption compared to higher-frequency alternatives, resulting in extended battery life for wireless devices. This energy efficiency is particularly valuable in applications where frequent battery replacement or recharging is impractical or costly.
In summary, sub-GHz frequencies play a crucial role in the wireless industry by enabling reliable, long-range communication with excellent penetration capabilities and low power consumption.
The 315 MHz and 433 MHz bands are used globally, but the other bands are only supported in specific regions. Here are some of the most popular sub-GHz bands and frequencies used around the world:
- 868 MHz: primarily used in Europe
- 915 MHz: primarily used in North and South America
- 920 MHz: primarily used in Asia
- 779 MHz: primarily used in China
