RM-300MF Fireman's Microphone

                                                                                                                                                                                                                                 

Power Source	24 V DC (operating range: 15 - 40 V DC, supplied from the VM-3000 system)
Current Consumption	120 mA (RM-300MF), 660 mA (with 3 RM-320F connected)
Frequency Response	200 Hz - 15 kHz
Distortion	1 % or less
S/N Ratio	55 dB or more
Microphone	Unidirectional dynamic microphone with talk key, compressor (on/off switchable)
Volume Control	Microphone volume control, Buzzer volume control
Connection Cable	Main line: Shield CPEV cable (each one pair of Audio line, Data line, Power supply line) or Category 5 Shielded Twisted-Pair straight cable for LAN (CAT5-STP), M3 screw terminal
Maximum Cable Distance	Total 800 m (874.89 yd)
No. of Connectable RM-320F	Max. 3 units
Operation	Emergency key, Evacuate key, Alert key, Emergency reset key, CPU switch, Reset switch
Indicator	Power indicator, Emergency indicator, Communication failure indicator, CPU OFF indicator, Evacuation announcement indicator, Alert announcement indicator, Emergency reset indicator, Microphone in-use indicator, Emergency broadcast equipment in-use indicator
Operating Temperature	-5 ℃ to +45 ℃ (23 ゜F to 113 ゜F)
Operating Humidity	5 % to 95 %RH (no condensation)
Finish	ABS resin, blueish gray (PANTONE 538 or its equivalent)
Dimensions	200 (W) × 215 (H) × 82.5 (D) mm (7.87" × 8.46" × 3.25")
Weight	1.1 kg (2.43 lb) (with wall mounting bracket unit)
Accessory	Wall mounting bracket unit…1, Wall mounting screw…2