2.4 GHz, 1024 QAM WLAN Front-End Module

The SKY85347-11 is a complete 802.11ax WLAN RF front-end module (FEM). The device provides all the functionality of a fully matched power amplifier (PA), power detector, low-noise amplifier (LNA), and single-pole, double-throw (SPDT) switch.

The SKY85347-11 provides a complete 2.4 GHz WLAN RF solution from the output of the transceiver to the antenna, and from the antenna to the input of the transceiver. The LNA increases the receive sensitivity of embedded solutions to improve range or to overcome the insertion loss of cellular filters (often included for mobile applications).

The SKY85347-11 also includes a transmitter power detector with 26 dB of dynamic range, and a digital enable control for transmitter power ramp on/off control.

The device is provided in a small 16-pin 3 x 3 mm laminate package.


Product LifecyclePre Release
Frequency (GHz) Min.2.4
Frequency (GHz) Max.2.5
RF Frequency (MHz)
Typ. POUT @ 2.5% EVM (dBm)
802.11 WLAN Standardax
Antenna Ports
Architecture2.4 GHz, 1024 QAM WLAN Front-End Module
Typ. Current @ VDD = 3.3 V 17.5dBm (mA)
Typ. POUT @ 3.0% EVM (dBm)
Typ. Current @ VCC = 5 V (mA)
Typ. Tx Gain (dB)
PackageLGA, 16-pin
Package (mm)3 x 3 x 0.7


  • Integrated high-performance 2.4 GHz PA, LNA with bypass, and T/R switch
  • Fully-matched input and output
  • LNA with integrated bypass mode
  • Integrated positive slope power detector
  • Transmit gain: 32.5 dB
  • Receive gain: 16.5 dB
  • Output power:
    • +18 dBm (-43 dB) DEVM, MCS11, HE40
    • +19 dBm (-40 dB) DEVM, MCS11, HE40
    • +21 dBm (-35 dB) DEVM, MCS9, VHT40
    • +22 dBm, (-30 dB) DEVM, MCS7, HT40
  • Small (16-pin, 3 x 3 mm) laminate package (MSL3, 260 °C per JEDEC J-STD-020

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