Emergency dispatch encoder. Used in airport, fire and emergency centers to call out pager users by pressing buttons or via the Computer Aided Dispatch interface. Signaling formats: Motorola, G.E., or reach two-tone. Keyswitches: 16-key "DTMF" keypad, keys are provided for channel selection, stack editing, and alerts. Instant call keys: 29 instant call keyswitches with integral LEDs to show status. Frequency range: 250 to 3200 Hz. Power supply encoder: 11 ~ 15 V DC at 2.5A max, 1A standby. Auxiliary panel: 11 ~ 14 V DC at 1.5A max. Weight: 5.5 lbs (encoder); 3.5 lbs (aux. panel).