2.4 GHz RF BAW Filter - Long-Term Evolution Coexistence

    Key Features

    • Wi-Fi bandpass filter that enables the coexistence of 4G (LTE / TD-LTE), Bluetooth® & Wi-Fi signals
    • High rejection in adjacent LTE bands B7 / B41 / B38 / B40
    • Industry leading small size: 1.1 x 0. 9 x 0.5 mm
    • Extended temperature performance over -40 to +95 C
    • Meets +38dBm peak power handling
    • RoHS compliant, Pb-free package
    • Lead-free / RoHS Compliant

    Qorvo's 885128 is a high-performance, high power Bulk Acoustic Wave (BAW) band-pass filter with extremely steep skirts, simultaneously exhibiting low loss in the Wi-Fi band and high band-edge & near-in rejection.

    The 885128 enables coexistence of Wi-Fi andLong-Term Evolution signals within the same device or in close proximity to one another. Its unique power handling capability allows for implantation into access points and small cell base stations.

    The 885128 uses common module packaging techniques to achieve the industry leading small size 1.1 x 0.9 x 0.5 mm footprint. The filter exhibits excellent power handling capabilities.


    The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Qorvo, Inc. is under license. Other trademarks and trade names are those of their respective owners.

    Typical Applications

      • 802.11a WLAN
      • 802.11ac WLAN
      • 802.11n WLAN
      • Automotive Telematics
      • Carrier and Enterprise Access Points
      • Gaming
      • Gateways
      • Infotainment
      • Portable Devices
      • Small Cell Base Station
      • Set Top Box
      • Routers
      • Wireless LAN (WLAN) Access Points
    Technology BAW
    Type Infrastructure
    Bands Wi-Fi / Bluetooth® signal frequency / LTE
    Frequency(MHz) 2,442
    Bandwidth(MHz) 79
    Insertion Loss(dB) 1.3
    I/O Configuration SE/SE
    Package Type CSP
    Package(mm) 1.1 x 0.9 x 0.5
    RoHS Yes
    Lead Free Yes
    Halogen Free Yes
    ITAR Restricted No

    This product appears in the following application block diagrams:

    • Applications > Customer Premises Equipment > Dual Band Wi-Fi

      Dual Band Wi-Fi

    • Applications > Customer Premises Equipment > Dual Band Wi-Fi with Diplexer

      Dual Band Wi-Fi with Diplexer

    • Applications > Customer Premises Equipment > High-Tier Wi-Fi Solution

      High-Tier Wi-Fi Solution

    • Applications > Automotive > Telematics > Telematics Cellular & GPS FEM

      Telematics Cellular & GPS FEM