Datasheet for the Notifier Bi-Directional Amplifier System (BDA) Class A & Class B, published in 2020. Document No: DN-62045, Rev: A. 56 models including NF-BDA400-D5-1A, NF-BDA400-D5-1B, NF-BDA800-D5-1A and 53 additional variants. Product features, environmental operating limits, and compatibility data.