SX1211: Lowest Power Integrated UHF Transceiver

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).

Reliability Data
Contact factory for details at Support_RF@semtech.com


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Features

  • Low Rx power consumption: 3mA
  • Low Tx power consumption: 25 mA @ +10 dBm
  • Good reception sensitivity: down to -104 dBm at 25 kb/s in FSK, -111 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 100 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

Diagrams

Block Diagram

SX1211 - Block Diagram

Click diagram to enlarge

Applications

  • Wireless alarm and security systems
  • Wireless sensor networks
  • Automated Meter Reading
  • Home and building automation
  • Industrial monitoring and control
  • Remote Wireless Control

Packaging

TQFN-32

Order Codes
  • SX1211I084TRT: TQFN-32, Lead Free RoHS and WEEE Compliant, 3,000 pcs on Tape & Reel