Products
Wireless RF
Semtech SX1211
Ultra Low Power (3mA RX) RF Transceiver 862-960 MHz
The SX1211 is a low cost single-chip transceiver operating in the frequency ranges from 863-870, 902-928 MHz and 950-960 MHz. The SX1211 is optimized for very low power consumption (3mA in receiver mode).
Overview
Features
- Low Rx power consumption: 3mA
- Low Tx power consumption: 25 mA @ +10 dBm
- Good reception sensitivity: down to -107 dBm at 25 kb/s in FSK, -113 dBm at 2kb/s in OOK
- Programmable RF output power: up to +12.5 dBm in 8 steps
- Packet handling feature with data whitening and automatic CRC generation
- RSSI (Received Signal Strength Indicator) range from noise floor to 0 dBm
- Bit rates up to 200 kb/s, NRZ coding
- On-chip frequency synthesizer
- FSK and OOK modulation
- Incoming sync word recognition
- Built-in Bit-Synchronizer for incoming data and clock synchronization and recovery
- 5 x 5 mm TQFN package
- Optimized Circuit Configuration for Low-cost applications
Applications
- Wireless alarm and security systems
- Wireless sensor networks
- Automated Meter Reading
- Home and building automation
- Industrial monitoring and control
- Remote Wireless Control
- Smart Lighting Systems
Packaging
TQFN-32
Order Codes
- SX1211I084TRT: TQFN-32, Lead Free RoHS and WEEE Compliant, 3,000 pcs on Tape & Reel
- SX1211-11SKA868: SX1211 USB Starter Kit 862-870MHz
- SX1211-11SKA915: SX1211 USB Starter Kit 902-928MHz
- SX1211MESH-868: Mesh Network 868MHz Starter Kit
- SX1211MESH-915: Mesh Network 915MHz Starter Kit
- SX1230-13RKEA433: Turnkey Remote Keyless Entry Reference Design Kit with SX1230 transmitter, SX1211 or SX1212 Transceiver, KEELOQ® code-hopping encryption software and Microchip’s PIC16F631 or PIC16F677 8-bit MCU
Diagrams and Specs
Block Diagram
Click diagram to enlarge
Datasheets and Resources
Restricted
Application Notes
- Calculating Radiated Power and Field Strength for Conducted Power Measurements
- FCC Part 15.247 Rules Systems Using Digital Modulation
- FCC Regulations for ISM Band Devices: 902-928 MHz
- Improving the Accuracy of a Crystal Oscillator
- RF Design Guidelines: PCB Layout and Circuit Optimization
- SX1211 FHSS Wireless Star Network
- XE8000 driving XE1200 Transceivers Standard API Definitions
Datasheets
Product Briefs
- SM1211 Ultra Low Power Integrated UHF Transceiver Module
- SX1211 Ultra-low Power Multi-Channel UHF-band Transceiver
Reference Designs
Starter Kits
- SX1211-11SKA USB Starter Kit User Guide
- SX1211EVK Configuration File Instructions
- SX1211EVK Configuration Files
- SX1211MESH EVK User Guide