Kewl.
Good catch.
Obviously in the episode it's suppose to be an RT, because he dials in the number to call the local police comms center. Remember he's out of his own district, so would need to dial the nearest comms center instead of his own comms, but non-the-less you'd think they might have been able to source a real RT unit.
Something else just occurred to me... we see him turn on the right alley light, but that's an un-marked police car.. it doesn't have those big "alley light" spotlights on it.