描述
Aiphone KB-3MRD 是 4 吋彩色視像對講主機（附聽筒），可與內部分機雙向通話，配 RY-3DL 可選擇開門。香港防盜為安裝商及經銷商，規格以原廠為準。
Aiphone KB-3MRD
Master Monitor with Handset
A color tilt video entry security intercom master station with monitor.
FEATURES
- Internal All Call
- Chime and receiver volume control
- Optional selective door release with RY-3DL
- Two-way communication between inside stations
- Video identification and monitoring with 4″ screen
- Instant voice call-in with image
- Built-in illumination for low light conditions
- Selective Call
- Video out to DVR via supplied connector
SPECS
Communication
Handset (full-duplex)
Video Display
4″ LDC screen
Door Release
N/O dry contact, 12V AC, 400mA (use RY-24L for larger contact rating or RY-3DL for 2 or 3 doors)
Mounting
Surface mount directly to wall or desk mount using MCW-S/A
Wire Type
2-cond., mid cap, solid, non-shielded – use Aiphone #871802
Distance
Master Station to Door Station: 330′(22AWG) 650′(18AWG
Master Station to farthest Sub Master Station: 165′(22AWG) 330′(18AWG)
Power Supply to Master Station: 16′(22AWG) 33′(18AWG)
Power Supply to Sub Master Station: 16′(22AWG) 33′(18AWG)
