UMTS Band 4 Duplexer with Balanced Rx Port

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The Broadcom ACMD-4104 is a highly miniaturized duplexer designed for use in the UMTS Band 4 (1710-1755 MHz UL, 2110-2155 MHz DL) handsets and mobile data terminals.


  • Miniature Size
    • 1.6 x 2.0 mm
    • 0.9mm Height
    • Standard 1.6x2.0mm PCB Footprint
  • High Power Rating
    • 33dBm Abs Max Tx Power
  • Halogen Free
  • RoHS Compliant
  • TBBPA Free
  • Balanced Rx Port, 100 ohm
  • High Isolation 
  • Rx Band Performance:  -20 to +85°C
    • Rx Noise Blocking: 55 dB Min
    • Insertion Loss (UMTS): 1.9 dB Max
  • Tx Band Performance:  -20 to +85°C
    • Tx Interferer Blocking: 53 dB Min
    • Insertion Loss (UMTS): 1.8 dB Max


  • Smartphones, Tablets, Data Terminals and Other Mobile/Portable Communication Devices Operating in the UMTS Band 4 Frequency Range.

Lifecycle Status


Replacement Part

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Substance Compliance

  • RoHS6
    Fully Compliant
Specification Value
Lifecycle Obsolete
Distrib. Inventory No
RoHS6 Compliant Y
Freq Up Link MHz 1710-1755
Freq Down Link MHz 2110-2155

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