Dual-Band 802.11n Wireless LAN Front-end Module

The SE2577L is a dual-band passive 802.11n WLAN RF front-end module providing the functionality of spurious filters, switches and diplexer. All RF ports are matched to 50 Ω to simplify PCB layout and the interface to the transceiver RFIC.

The Front End is packaged in a very compact RoHS compliant, Halogen Free, and Lead Free 3mm x 3mm x 0.9mm QFN style package.

Please note: SE2577L-R is being discontinued and is not recommended for new designs.


  • Passive front end, including two SPDT switches and diplexer
  • Integrated 2 GHz low pass filter
  • Able to accept 20 dBm of linear input power in both bands with no EVM contribution
  • Lead free, Halogen Free and RoHS compliant
  • Thin lead-free plated QFN package (20-pin, 3 x 3 x 0.9 mm, (MSL1, 260 °C per JEDEC J-STD-020)
Data Sheets SE2577L: Dual-Band 802.11n Wireless LAN Front-End Module SE2577L_202486C.pdf (959 KB)
ProductName : SE2577L
Frequency (GHz) Min. : 2.4
Frequency (GHz) Max. : 2.5
802.11 WLAN Standard : a/b/g/n
Antenna Ports : 1
Architecture : DUAL BAND 802.11a/b/g/n
Typ. Current @ VCC = 3.3 V (mA) :
Typ. POUT @ 2.5% EVM (dBm) :
Typ. POUT @ 3.0% EVM (dBm) :
Typ. Tx Gain (dB) :
VCC (V) :
Package : QFN, 20-pin
Package (mm) : 3 X 3 X 0.9
Product Information:
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