2.4 GHz, 802.11ac Switch/Low-Noise Amplifier Front-End

The SKY85203-11 integrates a single-pole, triple-throw (SP3T) switch and low-noise amplifier (LNA) with a bypass mode in an ultra-compact package. The device is capable of switching between WLAN receive, WLAN transmit, and a port suitable for Bluetooth® signals.

The SKY85203-11 is provided in a small Quad Flat No-Lead (QFN) 12-pin, 2 x 2 mm package.


Product LifecycleIn Production
Frequency (GHz) Min.2.4
Frequency (GHz) Max.2.5
Gain Typ. (dB)14
VDD (V)3.6
Noise Figure Typ. (dB)2
PackageQFN, 12-pin
Package (mm)2 X 2 X 0.5


  • Integrates an SP3T switch and LNA with bypass mode
  • Receive gain: 14 dB
  • Noise Figure: 1.9 dB
  • Transmit/ path loss: 0.7 dB for a port suitable for Bluetooth® signals
  • Small QFN (12-pin, 2 x 2 mm) package (MSL1, 260 °C per JEDEC-J-STD-020)

  • Skyworks' products are designed to be used in connection with qualified Bluetooth® products and applications; however, Skyworks' products are not themselves qualified Bluetooth® products or otherwise approved by Bluetooth SIG, Inc.

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