Wireless Safe Smart Construction 3 Frequencies Intercom and Remotely Video WiFi Doorbell

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Wireless Safe Smart Construction 3 Frequencies Intercom and Remotely Video WiFi Doorbell

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Product Description

Basic Specifications

Model NO.

IS-3F (Intercom system 3 frequency)

Information content

Voice

Certification

CE, ISO

Condition

New

Frequency

3 Kinds

Quantity

Depends on Floors

Transport Package

Carton Box

Specification

the phone is 200*120*50mm

HS Code

84313900

Production 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.

Safety First: Mainly used on construction and temporary Hoists/Elevators, it is recommended by OSHA and considered an industry standard. Communication is critical for workers to contact elevator operators in emergencies. As a general intercom system, it allows supervisors and workers to locate and communicate with each other, reducing downtime and increasing project profit.

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Key Features

✔All units interchangeable

✔No antenna wire required

✔Two way communications

✔Volume controlled Car Units

✔Powered by safe 24 volts DC

✔Multiple frequency channels

✔Emergency alarm switches

✔Operates in extreme weather

✔Backup battery power supply

✔Heavy duty Nylon Plastic enclosure

✔Microphone gain adjustment

✔Mute function for broadcasts

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Functional Feature

Stable Signal: Transmission via protection loop line ensures stability without special communication cables.
Safety: Signal and power lines are not connected with high voltage.
No Interference: No electromagnetic wave pollution; no radio frequency application needed.
Smart Control: Electronic volume control and busy signal prompts.
Emergency Ready: Includes dedicated alarm buttons for critical situations.
Clear Audio: Three frequencies available (250KHz, 741KHz, 800KHz) for natural voice.

📋

Technical Parameters

Supply Voltage

220V AC or 110V AC

Effective Range

More than 300m (Loop resistance < 600 ohm)

Frequencies

250KHz, 741KHz, or 800KHz

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Wiring & Terminals

NO	Terminal	Cable Detail	Explanation
1	L	Power (blue)	Three core cable
2	N	Power (brown)
3	G	Ground (yellow)
4	-V	Cable shield	The four core shielded cable
5	-V	Negative power (brown)
6	+V	Positive power (black)
7	+V	Positive power (blue)

Frequently Asked Questions

1. What causes communication failure in the system?

Failure typically occurs if the protective ground wire of the coupler is grounded in the middle, or if the protective earth wire is not properly connected in the hanging basket.

2. How can I fix poor communication quality?

Poor communication is often caused by high resistance in the ground wiring or poor connections. Ensure all wiring is secure and resistances are within limits.

3. Does the system require a radio frequency license?

No, the system operates using a protection loop line and does not produce electromagnetic wave pollution, so no radio frequency application is required.

4. What is the effective communication range of the IS-3F?

The system provides an effective range of more than 300 meters, provided the conductor loop resistance is less than 600 ohms.

5. Is the system durable for outdoor construction sites?

Yes, it features a heavy-duty composite Nylon Plastic enclosure and is specifically designed to operate in extreme weather conditions.

6. What happens if there is interference from electric motors?

Interference from motors usually indicates that the cables require better shielding. Ensure you are using high-quality shielded cables as specified.

Wireless Safe Smart Construction 3 Frequencies Intercom and Remotely Video WiFi Doorbell

Product Description

Basic Specifications

Product Description

Key Features

Functional Feature

Technical Parameters

Wiring & Terminals

Frequently Asked Questions

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Wireless Safe Smart Construction 3 Frequencies Intercom and Remotely Video WiFi Doorbell