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 Bluetooth.

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

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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: 2.1 dB
  • Transmit/Bluetooth® path loss: 0.8 dB
  • Small QFN (12-pin, 2 x 2 mm) package (MSL1, 260 °C per JEDEC-J-STD-020)

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