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.
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
