Dual 2.4 GHz, 802.11ax High-Linearity, High-Efficiency Sky5® Front-End Module

The SKY55242-11 is a highly integrated, dual 2.4 GHz front-end module (FEM) that supports simultaneous 2x 2.4 GHz WLAN including Bluetooth.

The SKY55242-11 includes a 2.4 GHz power amplifier (PA), a 2.4 GHz low noise amplifier (LNA) with bypass and a single-pole, triple-throw (SP3T) transmit/receive (T/R) switch. The compact module has two separate 2.4 GHz chains; each chain has a dedicated coupler and BT port.

The device is provided in a compact, 34-pin 4 x 3 mm package.

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Frequency (GHz) Min.2.4
Frequency (GHz) Max.2.5
Antenna Ports2
ArchitectureDual 2.4 GHz, 802.11ax High-Linearity, High-Efficiency Front-End Module
PackageMCM, 34-pin
Package (mm)4 × 3 × 0.7
802.11 WLAN Standardax


  • Integrated high-performance 2.4 GHz PA, harmonic filter, LNA with bypass, and T/R switch including Bluetooth® path
  • Three transmit modes
  • Transmit gain: 30 dB, 26 dB, or 17 dB
  • Receive gain: 15 dB
  • Receive bypass loss: -5 dB
  • Output power:
    • +22 dBm @ -26 dB HL DEVM, MCS0, HT20
    • +20.5 dBm @ -34 dB HL DEVM, MCS7, HT20-HT40
    • +19 dBm @ -40 dB HL DEVM, MCS9, VHT20-VHT40
    • +16.5 dBm @ -45 dB HL DEVM, MCS11, HT20-HT40
    • +14.5 dBm @ -47 dB HL DEVM, MCS11, HT20-HT40
  • Nominal supply voltage: 3.85 V
  • Small MCM (34-pin, 4 × 3 × 0.7 mm) package (MSL3, 260 °C per JEDEC J-STD-020)

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