ASTATIC - AST-878DM - AMPLIFIED DESK MICROPHONE - HIGH QUALITY OMINIDIRECTIONAL CERAMIC CARTRIDGE

The Astatic AST878DM is an Omni Directional Ceramic Desk Microphone offering a rugged cycolac housing for industrial and commercial applications.
The Microphone switching is accomplished with a simple PTT button with locking capabilities.
The volume can be adjusted with a potentiometer located under the microphone base.
The AST878DM is manufacturered to take normal abuse while retaining its performance,
just like you would expect from the Astatic brand.

APPLICATIONS:
Fire,Police and Taxi Dispatching, Paging in Department Stores, Bowling Alleys, Factories, Schools,
Fast Food Restaurants, CB Desk Microphone

SPECIFICATIONS:
- Standard PTT Push-to-talk and Lock-To-Talk buttons
- High quality omnidirectional ceramic cartridge
- Five conductor shielded, strandard astatic color coded cable with 4-Pin Connector (standard Cobra/Galaxy/Uniden wiring).
- Requires 9 Volt Battery (not included)

WIRING OF MIC CABLE:
Pin 1 = Shield Blue; Ground Common
Pin 2 = White; Audio
Pin 3 = Red; PTT TX
Pin 4 = Black; RX