Analogue in-house telephone
HTA 811-0

Analogue in-house telephone for the replacement and expansion of existing door intercom systems with 6+n technology or wire-saving.
With the basic functions calling, speech, door release and storey call. Electronic call generator with three-tone chime, alpha tone for door calls and continuous tone for storey calls.
Performance features
• Potential-free door release and light button
• Integrated audio privacy device for all applications (assignment if required)
• Electronic call signal with door/storey call differentiation, alpha and continuous tone
• Stepless call volume adjustment max. 83 dB(A)
• Plug-in handset for simple assembly
• Conversion for table-top mounting using suitable accessory