Hi!
The Minitor worked well on 162.XXX when I used it for NWS alerts (Long C time of 1050Hz)
I am pretty sure it requires a tone to be played... but if I recall in the programming software, you can program the DTMF tones for like 1-seconds, and once that tone is held for 1.1-seconds, it will open the squelch and alert. This one isn't a stored voice Pager however.