As an Amazon Associate, we earn from qualifying purchases. Alpha TTU-3X-WR Counter Intercom Wireless Ready | 123 Security Products Alpha . TTU-3X-WR Gallery Attributes Brand name, Manufacturer name, ManufacturerAlpha Extra Product NameAlpha TTU-3X-WR Counter Intercom Wireless Ready | 123 Security Products moq, multiple, tierMinQty11 MPN, SKUTTU-3X-WR qtyInStock-2 qtySourcefixQty1 snippetCounter Intercom Wireless Ready Full Duplex Communication Comes with 15VDC Power Supply and Mounting Hardware. There are times when its impractical - for various reasons - to cut a 3- to 4-inch hole through an isolation barrier. But your employees and your customers still have a way to communicate - clearly, calmly. tierPrice12846.65 Distributor offers SellerSKUMOQIn stockMultiplePrices 123securityproducts.comTTU-3X-WR1-211 @ $2846.65