Wireless Smart Construction 3 Frequencies Intercom and Remotely Video WiFi Doorbell

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Product Description

Basic Info
Content
Voice
Certification
CE, ISO
Condition
New
Frequency
3 Kinds
Quantity
Depends on Floors
Package
Carton Box
Specification
200*120*50mm
HS Code
84313900
Capacity
30000 Pieces/Year
Product Description

Specifically designed and manufactured to provide CRYSTAL CLEAR communications to help create a safer work environment, which increases PRODUCTIVITY and lowers the risk of LIABILITY.

Intercom System View 1
Intercom System View 2
Safety First

Mainly used on construction and temporary Hoists/Elevators, it is recommended by OSHA and considered the industry standard in the USA, Canada, and Australia.

Communication is critical for contacting elevator operators during emergencies. When a worker is injured, every second counts for medical attention. This system also serves as a general intercom, allowing supervisors to locate and communicate with personnel efficiently.

Core Functional Features
All units interchangeable
No antenna wire required
Two-way crystal clear communication
Powered by safe 24V DC
Multiple frequency channels (3 Kinds)
Emergency alarm switches on all units
Operates in extreme weather conditions
Electronic volume control
Backup battery for car unit
Mute and squelch functions
Specification Parameters

Supply Voltage: 220V AC or 110V AC

Effective Range: More than 300m (Conductor loop resistance < 600 ohm)

Available Frequencies: 250KHz, 741KHz or 800KHz

Wiring Terminal Description
NO Terminal Cable Type Explanation
1LPower (blue)Three core cable
2NPower (brown)Three core cable
3GGround (yellow)Three core cable
4-VCable shieldFour core shielded cable
5-VNegative power (brown)Four core shielded cable
6+VPositive power (black)Four core shielded cable
7+VPositive power (blue)Four core shielded cable
Frequently Asked Questions
?What should I do if communication fails?
Check if the protective ground wire of the coupler is grounded in the middle, or if the protective earth wire in the hanging basket is disconnected.
?How can I fix poor communication quality?
Poor communication is often caused by high resistance in the ground wiring or loose connections. Ensure all wiring is secure and has low resistance.
?Does the system interfere with other radio equipment?
No, the system uses a protection loop line for transmission. There is no electromagnetic wave pollution, and no radio frequency application is required.
?What is the maximum effective range?
The system provides an effective communication range of over 300 meters, provided the conductor loop resistance remains under 600 ohms.
?Can the intercom handle extreme weather?
Yes, the units are built with a heavy-duty composite Nylon Plastic enclosure designed to operate reliably in extreme outdoor weather conditions.
?Is there an emergency alarm feature?
Yes, every unit is equipped with an emergency alarm button to ensure immediate contact between floor workers and elevator operators during critical situations.

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