The AM-60-860 is a frequency-agile analog video/audio
modulator which has EAS (Emergency Alert System) and features
Stereo Audio, Secondary Audio Programming. It also supports
multiple other options. The AM-60-860 flag-ship model is
available in NTSC channels 2-135 (54-860 MHz), as well as the
PAL B, G, & I channels in the same frequency range.