Wireless RF
FSK Transceivers

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