User's Manual

Date：March 18, 2016

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CONFIDENTIAL

Hardware system block diagram

① QCA9880 Wireless Lan base band IC. Generates base band signal.

② Low pass filter Cuts off signal above 2.5GHz.

③ Band pass filter Cuts off signal under 5GHz and above 6GHz.

④ Single pole double throw switch

Switches Tx and Rx of 2.4GHz.

⑤ Fron end module Integrates a 5GHz power amplifier, a 5GHz low noise and

Tx/Rx select swtich.

⑥ Single pole double throw switch

Switches 2.4GHz and 5GHz.

⑦ Co-axial connector

NOTE1

Antenna port. MHF4 type.

⑧ Crystal driver Generates 40MHz system clock.

⑨ Voltage stabilizer

NOTE2

Stabilize +3.3VDC for RF.

⑩ Switching regulator

NOTE2

Coverts +3.3VDC to +1.2VDC.

NOTE1

Any signals of 1 stream data, 2 stream data and 3 stream data is output from three antennas.

NOTE2

Any voltage source for RF parts are generated/stabilized on the module.(RF +3.3V, RF +1.2V)

RF performance shown in the product spec is not affected by any behaviors of external +3.3V supply.