The R.L. Drake DA8642 broadband distribution amplifier is designed for indoor use in both residential and commercial buildings where RF signal distribution in the frequency range of 49 to 860 MHz is required.  The amp has a forward gain of 42db and the Gain and Slope controls both have a range of 10 dB minimum and operate between the preamp hybrid and the output hybrid to maintain a low noise figure over a wide range of gain and slope settings.

The unit features three user selectable return path choices (internal jumper selectable):  No return path.  Passive return path with variable 10 dB attenuator.  Built in active return path.

Owner's Manual