SX Series 290 to 1020 MHz 300 Kbps Low Power Integrated UHF Transceiver - QFN-24

Mfr Part#: SX1231IMLTRT
Mounting Method:  Surface Mount
Package Style:  QFN-24
Packaging:  Cut Tape
Std Packaging Qty:  3,000




$3.65 USD (each)
1 - 249 $3.65
250 - 499 $3.13 (Save 14%)
500 - 749 $3.07 (Save 16%)
750 - 1499 $3.04 (Save 17%)
1500+ $2.92 (Save 20%)


Qty in Stock : 109
Factory Stock : N/A
Factory Lead-Time: N/A
Min. Order Qty: 1
Multiple of: 1
Add to Cart


Product Highlight

  • Frequency Range: 290 to 1020 MHz
  • Data Rate: 300 kbps
  • Output Power: 13 dBm
  • Supply Voltage: 1.8 to 3.6 V
  • Sensitivity: -118 dBm
SX1231 is a highly integrated RF transceiver capable of operation over a wide frequency range, including the 433, 868 and 915 MHz license-free ISM (Industry Scientific and Medical) frequency bands. Its highly integrated architecture allows for a minimum of external components while maintaining maximum design flexibility.

The SX1231 offers the unique advantage of programmable narrow-band and wide-band communication modes without the need to modify external components and optimized for low power consumption while offering high RF output power and channelized operation.


  • High Sensitivity: down to -120 dBm at 1.2 kbps
  • High Selectivity: 16-tap FIR Channel Filter
  • Bullet-proof front end: IIP3 = -18 dBm, IIP2 = +35 dBm,80 dB Blocking Immunity
  • Low current: Rx = 16 mA, 100 nA register retention
  • Programmable Pout: -18 to +17 dBm in 1 dB steps
  • Constant RF performance over voltage range of chip
  • FSK Bit rates up to 300 kb/s
  • Fully integrated synthesizer with a resolution of 61 Hz
  • FSK, GFSK, MSK, GMSK and OOK modulations
  • Built-in Bit Synchronizer performing Clock Recovery
  • Incoming Sync Word Recognition
  • 115 dB+ Dynamic Range RSSI
  • Automatic RF Sense with ultra-fast AFC
  • Packet engine with CRC, AES-128 encryption and 66- byte FIFO
  • Built-in temperature sensor and Low Battery indicator


  • Automated Meter Reading
  • Wireless Sensor Networks
  • Home and Building Automation
  • Wireless Alarm and Security Systems
  • Industrial Monitoring and Control

To learn more about SX1231 product family, Click Here

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Future Electronics offers this product to be custom packaged onto our production ready Mini-Reels.

Select the number of reels you require and the quantity of components to be placed on each reel.
1 is the minimum quantity and 3000 is the maximum quantity that can go on this Mini-Reel.
Number of Reels
Number of Components
No. of
Quantity per Reel Unit Price
inc. Reeling fee
Ext. Price
inc. Reeling fee
1 1 $10.6500 USD $10.65 USD
$7.00 reeling fee is amortized over the number of components to each reel. Mini-Reels are custom product and are non-cancelable and non-returnable