RF Transceivers
  • SX1272
  • Long Range, Low Power RF Transceiver 860-1000MHz with LoRa® Technology
  • SX1273
  • Long Range, Low Power RF Transceiver 860-1000MHz with LoRa™
  • SX1276
  • 137 MHz to 1020 MHz Low Power Long Range Transceiver
  • SX1277
  • 137 MHz to 1020 MHz Low Power Long Range Transceiver
  • SX1278
  • 137 MHz to 525 MHz Low Power Long Range Transceiver
  • SX1279
  • 137 MHz to 960 MHz Low Power Long Range Transceiver
  • SX1236
  • 137 MHz to 1020 MHz Low Power Bi-Band Transceiver
  • SX1238
  • SX1238 - Fully Integrated Transceiver with +27dBm TX Power
Semtech SX1211

Semtech SX1211

Ultra Low Power (3mA RX) RF Transceiver 862-960MHz

Add to Watch List

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


  • 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


  • 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



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
- Close -
Add Product to Watch List

Please login to the mySemtech member site to add products to your personal Watch List.

If you're not registered for mySemtech, please Register now. mySemtech member benefits include pre-filled forms for quick and easy online ordering, technical support, new product information and more.