Chengdu Keylink Microwave Technology Co., Ltd.

China Manufacturer with main products: RF Power Amplifier, RF Amplifier Module, RF Amplifier Subsystem, Microwave Amplifier, Linear Amplifier, Amplifier Manufacturer, Jammer,...

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19-Inch Rack Mount-Broadband High Power Amplifier Subsystem

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Place of Origin: Sichuan in China

Quick Details

  • Brand Name: KeyLink
  • Wavelength: 0.8-4.0GHz
  • Data Rate: PSAT=70
  • warranty: 5
  • Connector: oem
  • Model Number: KB0840S48A


KeyLink Microwave ultra-broadband power amplifier subsystem KB0840S48A is now put into mass production. this rack-mountable unit incorporates a universal voltage power supply and a built in forced air-cooling system. Due to robust engineering and employment of advanced broadband RF matching networks, combining techniques and qualified components, the amplifier achieves consistent performance with field proven reliability.

Built-in monitor circuit helps to survive from any faulty working conditions such as over-driven, load-mismatch and thermal overload.

Digital interfaces as Ethernet and RS232/RS422 are available for remote on/off switch and power level control. 

Technical details:




Operating Frequency (BW)


Output Power CW (PSAT)

70 Watt

Output Power(P1dB)

40 Watt

Power Gain(G1dB)

53 dB

Input Power for Rated PSAT (Pin)

0 dBm

Power Gain Flatness (G)

2 dB

Gain Adjustment Range

20 dB

Input Return Loss (S11)

-10 dB (Max.)

Harmonics@ POUT = 50W

-15 dBc

Spurious Signals


Operating Voltage (3-phase)

220 VAC

Power Consumption@ 80W CW

1000 Watt (Max.)

19inch rack mountbroadband High Power Amplifier subsystem

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