SX1231J
The SX1231J is an ARIB compliant highly integrated RF transceiver which operates over all Japanese sub-GHz frequency bands. Its highly integrated digital architecture minimizes external components and provides flexibility for optimizing the system parameters and performance. The high sensitivity and exceptional blocking performance combined with optimized IIP3 maximizes the range in harshest environments.
Features
- High Sensitivity: down to -120 dBm at 1.2 kbps
- Robust Selectivity: 42dB at 25kHz offset
- Bullet-proof front end: IIP3 = -18 dBm, IIP2 = +35 dBm, 80 dB Blocking Immunity, no Image Frequency response
- Low current receive mode = 16 mA
- Low current sleep mode with register retention =100nA
- Programmable TX Power: -18 to +17 dBm in 1dB steps
- Constant RF performance over VDD voltage range
- FSK bit rates up to 300 kb/s
- Fully integrated synthesizer with a resolution of 61 Hz
- FSK, GFSK, MSK, GMSK and OOK modulations
- Built-in bit synchronizer for clock recovery
- Incoming sync word recognition
- 115 dB+ dynamic range RSSI
- Automatic RF sense with ultra-fast AFC
- Packet engine with CRC, AES-128, and 66-byte FIFO
- Built-in temperature sensor and low battery indicator
- Lead Free, Halogen Free, RoHS/WEEE
- Smart metering and IEEE15.4d/g
- Wireless sensor networks
- Home and building automation
- Wireless alarm and security systems
- Industrial monitoring and control
- Active RFID tags
- Remote keyless entry (RKE) and automotive
Applications
Packaging
- QFN24
Order Codes
- SX1231JIMLTRT: QFN24, Lead Free, Halogen Free, RoHS/WEEE, 3,000 pcs on Tape & Reel
Distributor/Catalog Supplier Inventory
View product availability from participating distributors below. Browse all distributers here.
Part # | Country | Qty | Buy | Distributor |
---|
mySemtech
Explore a wealth of downloadable resources and datasheets to assist with prototyping and production.
Looking for documentation?
Login or register for mySemtech to gain access to restricted product documentation and to add documents to your Watch List for update alerts
Resources
To see more videos Videos
The Need for Continuous Asset Tracking
Of the many complexities along the global supply chain and daily logistics operations, asset tracking is arguably the most challenging. Disruptions and subsequent capital loss not only affect goods transported worldwide, but also containers and vehicles used for shipment. On a more local scale, retail stores and shop owners are challenged in keeping track of their assets and supply at all times throughout the day for reasons varying from theft prevention to inventory management.
LoRa Cloud Locator Service Evaluates Asset…
READ NOWThe increasing demand for intelligent, scalable and cost-effective global asset tracking solutions is a trend, which has been recently accelerated by the urgency to improve end-to-end supply chain performance, visibility and customer services.
Semtech Expands LoRa Edge With Multi-Band LoRa…
READ NOWThe New South Wales Department of Primary Industries (NSW DPI) launched its $6.7 million AUD Climate Smart Pilots project in 2018. The program trials digital technologies to improve the information generated for farmers regarding natural resources and climate variability across fisheries, horticulture and livestock sectors. As temperatures warm, rainfall regimes change and seasons shift, innovative Internet of Things (IoT) technology can provide early warnings, input control and new ways to manage farming systems.
Environmental Conditions and Oyster Health…
READ NOWData is at the heart of intelligent process automation, but where does that data come from? Collecting accurate data remotely has always been a challenge for utilities. This has led to fragmented data collection systems that restrict the use of data analytics at the scale necessary to make a real difference to the business and to consumers.
LoRaWAN® Expands Utilities Businesses With IoT…
READ NOWAs the Internet of Things (IoT) continues to revolutionize the way we connect and interact with our devices, there are a number of network options on which to build smart solutions. The leading low power wide area networks (LPWANs) are LoRaWAN® and narrow band IoT (NB-IoT).
10 Things About LoRaWAN & NB-IoT: An IoT…
READ NOWLocated in Wake County, North Carolina, the Town of Cary is one of the smartest towns in the U.S. With more than 175,000 local residents, the Town of Cary has been committed to improving the lives of its local residents for more than a decade. In the summer of 2007, the Town enlisted the help of analytics systems and solutions provider SAS, also headquartered in Cary, to improve public safety and development services within the town.
IoT Technology Enables One of the Smartest Towns…
READ NOWWith the support of a vast and rapidly growing ecosystem, more and more companies are developing Internet of Things (IoT) solutions based on Semtech’s LoRa® devices. There are hundreds of LoRa-enabled products and services currently available in Semtech’s Catalog in the LoRa Developer Portal. Additionally, several members of the LoRaWAN® ecosystem offer online catalogs of solutions. Find a list of catalogs within the #ShopLoRaWAN blog.
How to Brand Your LoRa-enabled Application
READ NOWWhen our customers speak, we listen. This is why we’re excited to announce some major changes and improvements to LoRa Cloud™. Most of the changes have been made to increase the user-friendliness and content visualization, as well as the efficiency and practicality of the pricing plan. The platform and the new payment model was launched on February 7, 2022. Read on to learn more!
LoRa Cloud Portal Services and Pricing Model…
READ NOW