TN3103 Fire Extension Telephone

Technical Specifications

Operating Voltage	DC24V (telephone bus 18V~28V)
Operating Current	≤25mA
Voice Frequency	300Hz~3400Hz
Plug Type	3.5mm mono audio plug
Usage Environment	Temperature: -10°C ~ +55°C Relative Humidity: ≤95% RH, non-condensing
External Dimensions	199.8mm × 50.0mm × 38.5mm
Enclosure Colour	Red
Weight	Approximately 150g