Check the listing for details. Zetron TDD Phone Telephone Dispatch Handset Interface Model 3030 J1. Condition: Used. Listed at 11.99 USD. Zetron TDD Phone Handset Interface Model Number: 3030 "J1" Decommissionedfrom a local 911 call center upon upgrade. This unit was in working order when removed from service. (TESTED, GOOD WORKING CONDITION) Unit will arrive exactly as pictured in the photographs. Expect typical signs of previous usage. Scuffs, scrapes, etc. (FREE-SHIPPING) This Zetron TDD Phone Telephone Dispatch Handset Interface Model 3030 J1 is a reliable and efficient addition to your communication equipment. With its user-friendly design, you can easily integrate it into your system. The handset interface is compatible with various brands and models of two-way radios, making it a versatile choice for your needs. The product comes from the United States, ensuring its quality and durability. Its features make it an excellent option for businesses and industries that require efficient communication. Get your hands on this Zetron TDD Phone Telephone Dispatch Handset Interface Model 3030 J1 and experience its functionality.