25W RF Power Amplifier Module For Time Division Synchronous Frequency Data Transmission

Automatic, which automatically detects the input power level to achieve automatic transmission and reception. The transmission starts when the input power reaches 22 dBm, and it switches to reception when it drops below 10 dBm (or the "EN" terminal can be externally connected to achieve TTL high-level transmission and low-level reception).

• EN 1: Power amplifier transmission state, reception off
• EN 0: Reception state, transmission off (the static current of the power amplifier is less than 0.15A)

• Since the data transmission radio uses the same port for transmission and reception, the 'RX' port of this TDD power amplifier module is left unused. The 'TX' port is the RF port of the data transmission radio, and the 'ANT' port is connected to the filter to the antenna.
• 'EN' or 'EN-TR' is the transmission enable mode of the data transmission radio in non-automatic mode (in automatic mode and enable mode, it needs to be set at factory, with 1.8~5V TTL level).
• '+12V' or 'VDC' is +12~18V power supply. The wire pin pressed by this inductive capacitor is the negative pole.
• 'FULL' blue indicator light indicates full power output indication. When the output power reaches the ALC trigger and reaches a certain depth, this LED indicator light will light up.
• 'TX' red indicator light indicates transmission state.
• 'RX' green indicator light indicates reception state.
• 'EN-PWR' terminal is only available in the old version. In the new version, it is generally connected to 12~18V, while '+12V' may be based on the high-power 80W version and connected to 24~28V.
• 'FWD' is a backup power detection output terminal. It is usually left empty and can be modified to be a 12V or 28V power input as needed.