Wheelock CH-AT1-W Telephone Alert Chime WH-CH-AT1-W

• Wheelock chime telephone alert
• Nominal Voltage: 90VRMS, 20Hz
• Input Voltage: 50-130VRMs, 20-30Hz
• Ringer Equivalence: 0.4A
• Voice Impedance: 100K OHMS @ 400Hz, 3VRMS
• DC Impedance: Virtually Infinite (Blocking Capacitor)
• Dial Spike Suppression: Meets EIA RS-470 Specs
• Duty Cycle: 33% Max. with 10 Second Max. On-Time
• Chime Delay Time: 1 Second
• Minimum Ring Cycle On-Time: .8 Seconds
• Input Jack: USOC RJ11C (Pin 3 - Ring; Pin 4 - Tip)
• Minimum Chime Frequency: 750Hz
• Maximum Chime Frequency: 1200Hz
• Max volume: 80 dBA