5.1.8 BDA Support
Figure 35 BDA (Bi-Directional Amplifier) Support Configuration Page
The BDA Support page is used to configure the radio to work with an external bi-directional
amplifier. These settings should be configured before connecting the amplifier to the radio.
• Auto Noise Estimation: When enabled, the radio can automatically estimate the noise in
the channel, including any amplification due to the external amplifier. It is preferred that
this remain disabled and the LNA gain values be manually input further below, but if the
LNA gain values are not known, this can be used instead.
• PA Mode: Either set to “No PA” when there is no amplifier present or “Basic Mode” when
using an external amplifier.
Basic Settings:
• PA Gains for Channels 1-4: Enter the gain (dB) for the power amplifier connected to each
channel of the radio.
• LNA Gains for Channels 1-4: Enter the gain (dB) for the LNA connected to each channel
of the radio.
• Maximum PA Output Power Per Channel (dBm): Enter the maximum output power for
each PA.
• Apply: Apply the new values but does not save them to flash.
• Save and Apply: Save the new values to flash and apply.
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