Akoustis Gets First Commercial Production Order for Its 3.8 GHz BAW RF Filter

Akoustis Technologies has received its first production order for initial quantities of the AKF-1938, a 3.8 GHz filter that is designed for general purpose transceiver, commercial radio, military radio and phased-array radar markets. The AKF-1938 is closely aligned with the emerging 5G mobile frequency spectrum and gives Akoustis its first BAW RF filter design win above 3 GHz.

The first customer of the AKF-1938 is a well-established military OEM specializing in non-mobile communication systems with annual revenue of more than $1 billion. Akoustis received a pre-production order for the AKF-1938 from this customer last quarter and expects to complete shipment of pre-production packaged products later this quarter. The product qualification of the AKF-1938 has started and the Company expects to be fully qualified and begin shipping production filters in calendar Q4 2018.

The AKF-1938 is a compact 3.8 GHz BAW RF filter, which is manufactured using Akoustis’ new proprietary XB1 single-crystal BAW manufacturing process, and delivers high-performance RF filter solutions for frequencies up to 7 GHz. The AKF-1938 provides low insertion loss covering 100 MHz of bandwidth and meets the stringent rejection requirements for microwave radar applications. The filter solution incorporates standard commercial module packaging and is compatible with high-volume, lead-free SMT soldering processes.

The AKF-1938 filter features:

  • High frequency operation at 3.8 GHz
  • Wide bandwidth covering 100 MHz
  • Low insertion loss in filter passband
  • High rejection with >40 dB over wide spectrum up to 10 GHz
  • Single-ended input/output ports
  • Ultra-small form factor packaged module at 2 x 2.5 x 0.9 mm
  • High operating temperature range from -40 C to +105 C

The Company’s XBAW single-crystal BAW manufacturing process supports a wide range of frequency spectrum up to 7 GHz, covering 2 GHz and 5 GHz WiFi, 4G LTE and emerging 5G cellular and C-V2X applications. In March, the Company announced its first commercial filter product using its proprietary XB1 process, creating the first commercial 5.2 GHz BAW filter designed for use in tri-band WiFi router applications.

The AKF-1938 will support demanding temperature operation and high rejection performance requirements. The product offers low insertion loss in a small form factor enabling compact commercial, non-commercial radio and phased-array radar systems. For more information on this product, click here.


  • Country: United States
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