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

The SKYA21041 integrates a single-pole, double-throw (SPDT) switch and low-noise amplifier (LNA) with a bypass mode in an ultra-compact package. The device is capable of switching between WLAN receive and WLAN transmit.

The SKYA21041 is provided in a small, 6-pin, 1.2 x 1.4 mm Dual Flat No-Lead (DFN) package.


Product LifecycleIn Production
Frequency (GHz) Min.4.9
Frequency (GHz) Max.5.9
802.11 WLAN Standardn/ac
Architecture5 GHz Switch/LNA Front-end Module
PackageDFN, 6-pin
Package (mm)1.2 x 1.4 x 0.33


  • Automotive AEC-Q100 grade 2 qualification pending
  • Integrates an SP2T switch and LNA with bypass mode
  • Receive gain: 13 dB
  • Noise figure: 2.3 dB
  • Transmit path loss: 0.8 dB
  • Small DFN (6-pin, 1.2 x 1.4 mm) package (MSL1, 260 °C per JEDEC-J-STD-020)

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