SHS1890 PTT with carbon type microphone amplifier, PJ-7 connector, and selectable switch operation (momentary or locking modes). Compatible with H-Series headsets.

• General Information
• • Manufacturer
  • HP Inc.
  • Manufacturer Website Address
  • http://www.poly.com
  • Brand Name
  • Plantronics
  • Product Type
  • Headset Amplifier