2.4 GHz Front-End Module for Zigbee® / Thread / Bluetooth® Applications

The SKY66405-11 is a high-performance, fully integrated RF front-end module (FEM) designed for Zigbee, Thread, and Bluetooth (including Low Energy) applications.

The SKY66405-11 is designed for ease of use and maximum flexibility. The device provides a power amplifier, low-noise amplifier, low-loss bypass path, transmit/receive switches, and digital controls compatible with 1.6 V to 3.6 V CMOS levels. The RF blocks operate over a wide supply voltage range from 1.7 V to 3.6 V that allows the SKY66405-11 to be used in battery powered applications over a wide spectrum of the battery discharge curve.

A functional block diagram is shown in Figure 1. The SKY66405-11 is provided in a small 1.9 mm x 1.9 mm x 0.56 mm Multi-Chip Module (MCM) package.



  • Integrated PA with +13 dBm output power
  • Integrated LNA (2 dB noise figure typical) and bypass path
  • Single-ended transmit/receive interface
  • Fast switch on/off time: < 800="" ns="" />
  • Supply range: 1.7 V to 3.6 V
  • Sleep mode current: < 1="" μa="" typical="" />
  • No external bias resistor is required
  • Small MCM (1.9 mm x 1.9 mm x 0.56 mm) package, NiPdAuplated (MSL3, 260 °C per JEDEC-J-STD-020)

Images & Diagrams


    • RF Frequency (MHz)
    • 2400-2483.5
    • Rx Insertion Loss (dB) Typ.
    • TBD
    • Rx Gain (dB) Typ.
    • 13.5
    • Rx NF (dB) Typ.
    • 2
    • Tx Gain (dB)
    • 10
    • Saturated Output Power (dBm) Typ.
    • 13
    • Supply Voltage (V)
    • 1.7-3.6
    • Package
    • MCM, 12L
    • Package (mm)
    • 1.9 x 1.9 x 0.56

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