Low power 802.11abgn SDIO/SPI(65Mbps)


Redpine’s Lite-Fi® family of ultra low power Wi-Fi® processors provides unprecedented power profiles for 802.11n. The RS9110 is Redpine’s third generation low power product addressing the mobile and portable markets

The RS9110 uses advanced system-level power management techniques and reduces the power BoM significantly. The RS9110 is packaged in FLGA.


  • Ultra low power 802.11abgn 1x1 MAC/BB processor with STBC support for VoWiFi enabled mobile handsets, consumer electronics and PNDs
  • Extensive, patented low-power techniques to minimize power consumption
  • Full throughput SDIO v1.2/2.0, SPI and EBI host interfaces
  • Zero host overhead architecture with proprietary processor core
  • Advanced 802.11e-based QoS support, including WMM and WMM-PS
  • Bluetooth co-existence support
  • Available in FLGA package


  • Robust multipath performance and extended range using STBC
  • Higher throughput with 802.11n MAC enhancements
  • Minimal battery utilization during VoIP, media streaming and data transfer use cases
  • On-chip memory to enable customer-specific software differentiation and provide lowest BOM
  • Ease of system integration and minimal use of host resources
  • Wi-Fi® and Bluetooth® throughputs maximized using innovative coexistence algorithms
  • Small system footprint to enable compact, low-cost designs


  • Multi-mode cellular phones, smart phones, and PDAs needing Wi-Fi capability
  • VoWiFi/VoIP handsets
  • Personal Navigation Devices
  • Media nodes and players with MP3 music and MPEG4 video support
  • Digital still cameras and camcorders
  • Mobile gaming platforms with peer-to-peer capability


  • IEEE 802.11a/b/g/h/i/j, Draft 802.11 n/k/r
  • 802.11n: 6.5, 13, 19.5, 26, 39, 52, 58.5, 65 Mbps
    802.11a/g: 6, 9, 12, 18, 24, 36, 48, 54 Mbps
    802.11b: 1, 2, 5.5, 11 Mbps
  • OFDM with BPSK, QPSK, 16-QAM, and 64-QAM 802.11b with CCK and DSSS
  • WMM and WMM Power Save Support
  • 802.11i: AES, TKIP, WEP, WPA, and WPA2
  • MCS 0-7, STBC, RIFS,Greenfield Protection, A-MPDU, A-MSDU Aggregation with Block-ack, PSMP, MTBA
  • SDIO v1.2/2.0, SPI, Memory-mapped interface (EBI)
  • 9.6, 13, 19.2, 26, 38.4, 40, 52 MHz
  • Core VDD 1.2V ± 10% IO VDD 3.3V ± 10%
  • Industrial Grade -40ºC to +85ºC
  • Wi-Fi (WPA, WPA2, WMM, WMM Power-save, WPS,11n Draft 2.0)