May be attached to any Dosy 4000 Series, TC-3001-P, or Libra 631 Meters
Measures RF signal or TX channel to ant.
Level from .1 to 1V Max.
Range from .5 MHz to 50MHz
Has Input/Output Type SO-239 connectors
DOSY Professional Architecture
Printed Circuit Board
Blue LED color
Pre-Installed - Replace only 4 screws