RF Transceivers
  • SX1233
    • High Bit Rate Transceiver Low Power Integrated UHF Transceiver
  • SX1231
    • Low Power Integrated UHF Transceiver
  • XE1209
    • Ultra Low-Power CMOS RF Transceiver
  • XE1205
    • TrueRF™ Multi-Channel, Narrow-Band RF Transceiver
  • XE1203F
    • 433 MHz / 868 MHz / 915 MHz Low-Power, Integrated UHF RF Transceiver
  • XE1202A
    • TrueRF™ Multi-Channel, Low-Power Transceiver
  • XE1201A
    • Not available for new designs; use XE1202, XE1203, or XE1205
  • SX1282
    • Transceiver/MCU/ADC System-on-Chip with RISC CPU for Battery-Powered Ultra-Low Power Applications
Semtech SX1211

Semtech SX1211

Lowest Power Integrated UHF RF 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).

Remote Keyless Entry Reference Design


Semtech & Virtual Extension Wireless Mesh Chipset


FHSS Wireless Star Network Software

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