The master station(s) shall be Alpha Communications® / Ring model AA918GY or approved equivalent. Master(s) shall have clear two-way communications. Master(s) shall be finished in Grey/Black plastic, and shall feature a button keypad. Master(s) shall be desk type and can be surface wall mounted using an optional model GF934 wall mounting bracket. Master(s) shall be used with the RM5000EX and/or CB901EX series microprocessor intercom systems.
Master(s) shall have two levels of voice capability: hands-free loudspeaking and total private communications (when used as handset).
Master(s) shall require a model KB170 wall mounting jack and plate and a BF640A series plug-in connector cable and harness assembly. The KB170 shall mount over a single gang electrical 'gem' box or plaster ring.
Contractor shall observe all local and national electrical and building codes.
Although only the size and weight of a conventional telephone handset, the AA918GY combines all the essential functions needed for effective internal communication in one compact unit: hands-free loud-speaking and confidential total privacy. It is designed for a desk use or wall-mounting using an optional wall bracket (model GF934). On the desk or wall, it permits the user to converse with the caller, hands-free, from anywhere in the room. Master is designed to work with the RM5000EX or CB901EX series microprocessor intercom systems.
When the AA918GY is picked up in handset mode, the built-in speaker is tuned off for a confidential private conversation.
||Length: 8.25" (210mm)
Width: 2.50" (64mm)
Height: 2.80" (72mm)
|Weight:||0.66 lb. (300g)|
|Operating Voltage:||20Vdc - 27Vdc|
|Power Consumption:||approx. 5W|
|Frequency Range:||300 - 5000 Hz|
|Galvanic Line:||0 dB (1 mW/600 ohm)|
|Speech Level:||normal 12 dBm, max + 4dBm|
|Tone Signalling:||according to CCITT norms|
|Loudspeaker Impedance:||8 ohms|