WIFI | Hardware: Vanchip's new VC5755-51 targets the High-Power sector

Date2025-08-23

Vanchip (Weijie Chuangxin) has begun mass production of its next-generation WIFI6 High-Power RF front-end module VC5755-51. The main parameters are:

         a. Linear output power of 11ax (typical value)

+18dBm MCS11 HE160 43dB DEVM@5V
 

b. Linear output power of 11ac (typical value)

+22dBm MCS9 VHT80 35dB DEVM@5V

 

c. TX Gain: 31dB
 

d. RX Gain: 14.5dB
 

Supports both 5V and 3.3V voltages
 

f. Small footprint LGA (16-pin, 3.0*3.0*0.65mm package)
 

  • Maintain lower Icc current under high power.
  • Internal framework optimization and upgrade.
  • The DEVM performance of high bandwidth is better than the previous generation, meeting performance requirements while reducing power consumption.
  • FEM logic control line upgraded to 3 lines, compatible with more main control platform solutions.

                                                              

  • To adapt to changes in market applications, the new product has been optimized for use in the 11be mode, supporting deployment on the WiFi7 platform and meeting cost control requirements.

Q & A:

  • Q: Can it be used with WIFI4/5 products?

A: Supports 11a/g/n/ac/ax backward compatibility.

 

  • Q: Can it be used if the logic control only has two wires?

A: When the Bypass mode is not needed, two-wire control can be used.

 

  • Q: Can the specified FEM model by the platform vendor be replaced?

A: Please make sure to confirm with us whether P2P replacement is possible before proceeding with the substitution.

 

  • Q: What is the maximum supply voltage that can be reached?

A: VDD, VCC Max Supply 6V.

 

  • Q: Which frequency bands are supported?

A: Frequency range: 5.15~5.85GHz.

For more information about Vanchip FEM devices, feel free to contact us for inquiries.

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