RS9116 Wi-Fi Transceiver SoCs

Silicon Labs' RS9116 QMS Wi-Fi SoCs with single band provides a comprehensive multi-protocol wireless connectivity solution including 802.11 b/g/n (2.4 GHz), dual-mode Bluetooth 5. The Wi-Fi SoC offers high throughput, extended range with power-optimized performance. The Wi-Fi SoC is FCC, IC, and ETSI/CE certifiable. Silicon Labs offers drivers for high-level operating systems such as Linux®.

Single-band 802.11 b/g/n Wi-Fi
Dual-mode Bluetooth 5

RS9116 Specs


  • Compliant to single-spatial stream IEEE 802.11 b/g/n with single-band support
  • Support for 20 MHz bandwidth
  • Transmit power up to +20 dBm with integrated PA
  • Receive sensitivity as low as -98.5 dBm
  • Data Rates: 802.11b: Up to 11 Mbps ; 802.11g: Up to 54 Mbps ; 802.11n: MCS0 to MCS7
  • Operating Frequency Range:
    2412 MHz - 2484 MHz


  • Transmit power up to +20 dBm with integrated PA
  • Receive sensitivity: LE: -95 dBm,
    LR 125 Kbps: -106 dBm
  • <8 mA transmit current in Bluetooth 5 mode,
    2 Mbps data rate
  • Data rates: 125 kbps, 500 kbps, 1 Mbps,
    2 Mbps, 3 Mbps
  • Operating Frequency Range:
    2402 MHz - 2480 MHz
  • EDR+2.1, 4.0, 4.1, 4.2 and 5.0
  • Bluetooth Low Energy 1 Mbps, 2 Mbps and Long Range modes
  • Bluetooth Low Energy Secure connections
  • Bluetooth Low Energy supports the central role and peripheral role concurrently
  • Bluetooth auto rate and auto TX power adaptation
  • Scatternet* with two slave roles while still being visible

Operating Conditions

  • Wide operating supply range: 1.75 V to 3.63 V
  • Operating temperature: -40 °C to +85 °C (Industrial grade)


  • 7.00 mm x 7.00 mm x 0.85 mm

RF Features

  • Integrated baseband processor with calibration memory, RF transceiver, high-power amplifier, balun and T/R switch
  • Dual external antenna (diversity supported)

Power Consumption

  • Wi-Fi Standby Associated mode current: 50 μA @ 1- second beacon listen to interval
  • Wi-Fi 1 Mbps Listen current: 14 mA
  • Wi-Fi LP chain Rx current: 19 mA
  • Deep sleep current <1 μA, Standby current (RAM retention) < 10 μA

Hosted Mode

  • Hosted mode (n-Link™): Wi-Fi stack, Bluetooth stack and profiles, and all network stacks reside on the host processor
  • Available host interfaces: SDIO* 2.0 and USB HS
  • Application data throughput up to 50 Mbps (Hosted Mode) in 802.11n with 20 MHz bandwidth
  • Host drivers for Linux
  • Support for Client mode, Access point mode (Up to 16 clients), Concurrent Client and Access Point mode, Enterprise Security
  • Support for concurrent Wi-Fi, dual-mode Bluetooth 5

Wireless Co-Existence Modes

  • Wi-Fi Access Point, Wi-Fi Client
  • Wi-Fi Access Point + Wi-Fi Client
  • Wi-Fi (Client / AP) + Bluetooth 5
  • Wi-Fi (Client / AP) + Bluetooth Low Energy
  • Wi-Fi (Client) + Bluetooth 5 + Bluetooth Low Energy

Embedded Mode

  • Embedded mode (WiSeConnect™): Wi-Fi stack, TCP/IP stack, IP modules, Bluetooth stack and some profiles reside in RS9116; Some of the Bluetooth profiles reside in the host processor
  • Available host interface: UART, SPI, SDIO*, and USB CDC
  • TCP throughput > 20 Mbps over SDIO* host interface with 20 MHz bandwidth
  • Support for Embedded Client mode, Access Point mode (Up to 8 clients), Concurrent Client and Access Point mode, and Enterprise Security
  • Supports advanced security features: WPA/WPA2-Personal and Enterprise
  • Integrated TCP/IP stack (IPV4/IPV6), HTTP/HTTPS, DHCP, ICMP, SSL 3.0/TLS1.2, WebSockets, IGMP, DNS, DNS-SD, SNMP, FTP Client, MQTT
  • Bluetooth inbuilt stack support for L2CAP, RFCOMM, SDP, SPP, GAP
  • Bluetooth profile support for GAP, SDP, L2CAP, RFCOMM, SPP, GATT, PBAT
  • Wireless firmware upgrade and provisioning
  • Support for concurrent Wi-Fi, dual-mode Bluetooth 5


  • Accelerators: AES128/256 in Embedded Mode
  • WPA/WPA2-Personal, WPA/WPA2 Enterprise for Client
  • Secure Firmware upgrade with backup*

Software and Regulatory Certification

  • Bluetooth Qualification*

* Contact Silicon Labs for availability


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Part Number Wi-Fi Bluetooth 5 Frequency Band Dimensions Package Type
Single Band (2.4) 7 x 7 x 0.85 QFN84

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