Intercom series
Intercom in the building The outside door intercom
Edge control series Touch screen series Module series Software platform
Hotel management software Public area lighting system
Edge data center station
Host series Panel series
Pandora panel Intelligent power panel EWIG series MARS series BVL series PM2.5
Traditional matrix Distributed matrix
Encoder Node controller Decoder
Infrared Detectors


The DDT-770-HD is a hands-free video intercom door machine with a 7-inch LCD display. Equipped with a 720P HD digital camera for clear camera quality. The new noise suppression technology enables high-reduced sound quality in a variety of environments. The machine chip adopts SCHIDERON S3 series CPU chip, the CPU frequency is 1.2GHZ, the memory is DDR3/512M, which has the advantages of fast operation speed, high quality of intercom camera, low power consumption of the whole chip and high running stability, etc. Need. The appearance of the craft is high quality and generous and high-grade. The interface operation instructions are simple and straightforward, making the user easy to use. Support public password unlocking, user private password unlocking, IC card access control card unlocking, guest message viewing, call management center, hold code alarm and door magnetic alarm to management center. Overall performance and technical indicators are in the leading level in Europe, America and the mainland.


Main function introduction

• Call indoor terminal • Video and voice calls with Management Center • Indoor unit monitoring, management center monitoring • Support linkage control with elevator • HD camera, night LED fill light • Built-in IC access control module, support for card unlocking • Authorized card issuance through the Management Center • Support door magnetic (on/off) status detection and delay alarm • Support for normally open/normally closed electronically controlled lock access


Ladder agreement : RS-485 System : WinCE NET protocol : TCP / IP

CPU : Schideron S3 Power : DC 12V Working current : ≤600mA

Current : ≤250mA Temperature : -10℃~+50 ℃ Operating HUM : 20%~85%

Material : ABS+stainless steel Webcam : 720P HD Ringing : Bell≥70dB

Frequency : 1.2G Hz RAM : 512M DDR-Ⅲ ROM : 4GB Nand Flash

Installation : Embedded Thickness : 9mm Size : 218*328*38(mm)

Dust proof : IP55

Parameter file - outdoor door intercom

DDT-770-HD-S2(Simplified Chinese) 2018 / 06 / 15 3.67M

DDT-770-HD-S2(Traditional Chinese) 2018 / 07 / 19 3.68M

Installation instructions - visual intercom

DDT-770HD-Simplified 2019 / 06 / 03 724.00K

DDT-770HD-Traditional 2019 / 06 / 03 376.52K

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