Products 1 - 1of 1. Products on page 102550100All All NEC Products , Browse By Manufacturer NEC DPH (4)-U10 ETU DOOR PHONE INTERFACE UNIT × Send Enquiry for NEC DPH (4)-U10 ETU DOOR PHONE INTERFACE UNIT Unauthorized Enquiry 500 characters remaining Save my Name and Email in this browser for my next Enquiry/Quote Request I allow the Site owner to contact me via email/phone to discuss this Enquiry. (If you want to know more about the way this site handles the data, then please go through our privacy policy) Enquiry email sent successfully! Request Information