Plantronics SHS1890-25 is a 25ft Push-to-Talk headset adapter for use with many 6-wire applications.  SHS1890-25 amplifiers offer radio and telephone communication for 911/emergency dispatch applications. 

Key Features:

• 6-wire controller and dispatch operations
• PTT switch with selectable locking or momentary operation
• 25-foot coil cord
• PJ-7 (equivalent to WE-425) connector
• Connects to any Plantornics Call Center headsets (H-series) - sold separately

See Plantronics SHS1890 datasheet or SHS1890 schematic for more detail information

Also see our Headsets for Dispatch, Emergency or Air traffic control FAQ page

Important Note: Due to the manufactures policy, this is a special order headset.  It's not returnable, non-refundable.  If it's defective, Plantronics will replace it for you under warranty 

Old Poly part # 60825-325

New HP part # 8K7U0AA#AC3