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CYRF7936: 2.4-GHz CyFi™ Transceiver | Cypress Semiconductor

CYRF7936: 2.4-GHz CyFi™ Transceiver

Last Updated: 
Nov 23, 2015

2.4-GHz CyFi™ Transceiver


  • 2.4-GHz direct sequence spread spectrum (DSSS) radio transceiver
  • Operates in the unlicensed worldwide industrial, scientific, and medical (ISM) band (2.400 GHz to 2.483 GHz)
  • 21-mA operating current (transmit at –5 dBm)
  • Transmit power up to 4 dBm
  • Receive sensitivity up to –97 dBm
  • Sleep current less than 1 μA
  • DSSS data rates up to 250 kbps, Gaussian frequency-shift keying (GFSK) data rate of 1 Mbps
  • Low external component count
  • Auto transaction sequencer (ATS) - no MCU intervention
  • For more, see pdf

Functional Overview

The CYRF7936 IC is designed to implement wireless device links operating in the worldwide 2.4-GHz ISM frequency band. It is intended for systems compliant with worldwide regulations covered by ETSI EN 301 489-1 V1.41, ETSI EN 300 328-1 V1.3.1 (Europe), FCC CFR 47 Part 15 (USA and Industry Canada), and TELEC ARIB_T66_March, 2003 (Japan).

Translated documents are for reference only. We recommend that you refer to the English-language version of a document if you are engaged in development of a design.