Powered by Made-in-China.com
3-Frequencies Construction Hoist Speaker Intercom
US$198.00-228.00
1 Piece
Sample price:US$155.00/piece.Request sample
Product profile
Customization
AvailableUsage
Telephone, Workstation, Server, Mobile phoneType
WiredModel NO.
HC2.0Information content
VoiceCertification
CE, ISOCondition
NewFrequency
3 KindsQuantity
Depends on FloorsTransport Package
Carton BoxSpecification
the phone is 200*120*50mmTrademark
STRONGOrigin
ShanghaiHS Code
84313900Production Capacity
30000 Pieces/YearKey features
OSHA Recommended Standard: Recommended by OSHA and considered the industry standard in USA, Canada, and Australia.
3 Frequency Channels: Supports 250KHz, 741KHz, or 800KHz to prevent interference in intensive construction areas.
No Radio License Needed: Uses protection loop line transmission without electromagnetic pollution, avoiding radio frequency application.
Emergency Alarm Function: Equipped with emergency alarm switches on all units for immediate worker safety and medical response.
Safe 24V DC Operation: Powered by safe 24 volts DC with backup battery supply, ensuring reliability in extreme weather.
Crystal Clear Communication: Provides clear voice transmission with microphone gain adjustment and mute function to control feedback.
Durable Composite Enclosure: Constructed with heavy-duty composite Nylon Plastic for reliable use in harsh construction environments.
Interchangeable Units: All units are interchangeable, simplifying maintenance and reducing downtime for project management.
Company profile
CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 10 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤18h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryShanghai Strong Engineering Construction Co., Ltd. is a China-based trading company established in 2014, focused on lift accessories and related construction machinery, mechanical, electrical, and hardware products. The supplier reports five employees, overseas service limitations, no overseas warehouse, showroom, agent, or branch, and participation in bauma China. It offers customization from samples and designs but does not provide private mold development, 3D software design, ODM, OEM for popular brands, or SDK support. Product information indicates new products were developed during the past year. Service procedures and corrective-action records are documented, although the approved supplier list lacks signatures or dates. Audit information identifies TÜV Rheinland, but the evaluation result is recorded as 0 and the stated report validity ended on 2025-08-12. Production capacity, financial credibility, and customer case evidence remain insufficient for firm conclusions.
Supplier typeThe supplier is identified consistently as a trading company and limited company, with no larger-company group affiliation. Its stated scope covers lift accessories and a broad range of construction machinery, mechanical, electrical, metal, hardware, rubber and plastic, and automobile-related products.
After-Sales capabilityThe supplier reports written procedures and records for service-capability assessment, a corrective and preventive action mechanism, and ten qualified service-capability suppliers. It lacks overseas warehouses, showrooms, agents, and branches, although it has participated in bauma China and reports lead times within 15 workdays.
R&D capabilityThe supplier reports having launched new products during the past year, indicating some product-development activity. However, it does not offer ODM, private mold development, professional technical-supplier R&D, 3D software design, or SDK support.
Customization capabilityThe supplier explicitly offers customization from samples and designs. However, it does not provide private mold development or 3D software design services, so customization appears available in defined forms rather than as a full design-and-development service.
Product Q&A
Q:What are the available frequency channels?
A:
The system supports three multiple frequency channels: 250KHz, 741KHz, or 800KHz, allowing selection based on site requirements.
Q:Is a radio frequency license required?
A:
No, the system uses protection loop line transmission without electromagnetic wave pollution, so no radio frequency application is needed.
Q:What is the effective communication range?
A:
The effective range is more than 300 meters, provided the conductor loop resistance is less than 600 ohms.
Q:How is the system powered?
A:
It operates on safe 24 volts DC, with options for 220V AC or 110V AC supply, and includes a backup battery for the car unit.
Q:What safety features are included?
A:
The system includes emergency alarm switches on all units, mute functions, and electronic volume control to ensure worker safety.
Send Inquiry
*To:
Shanghai Strong Engineering Construction Co., Ltd.
Shanghai Strong Engineering Construction Co., Ltd.*Content:
Supplier replies will be sent to your registered email
You may also like
Wireless Smart Construction 3 Frequencies Intercom and Remotely Video WiFi Doorbell
US$198.00-228.00
1 Piece(MOQ)
Wireless Safe Smart Construction 3 Frequencies Intercom and Remotely Video WiFi Doorbell
US$198.00-228.00
1 Piece(MOQ)
Emergency Phones Industrial IP Intercom for Public Places
US$90.00-280.00
1 Piece(MOQ)
3 Frequencies Wired Peephole Voice Door Phone / Door Bell / Intercom for Construction Lift
US$198.00-228.00
1 Piece(MOQ)
Hot Sale in Market Exclusive Design 3-Frequencies Construction Elevator Intercom
US$198.00-228.00
1 Piece(MOQ)
Vandal Resistant Intercom for Heavy Duty Industrial Communication (JR102-SC-H)
US$200.00-400.00
1 Piece(MOQ)
Dualway Window Counter Intercom Glass Window Microphone Speaker
US$28.00-33.00
1 Set(MOQ)
Industrial Intercom, Emergency Intercom, Hazardous Heavy Duty Industrial Telephone Intercom
US$200.00-400.00
1 Piece(MOQ)
Mining Marine Chemical Intrinsicall Safe Emergency Vandal Proof Explosion Proof Intercom
US$399.00-459.00
1 Piece(MOQ)
Stainless Steel Emergency Telephone Vandal Resistant Intercom with Button
US$90.00-280.00
1 Piece(MOQ)
Aluminium Alloy Stainless Steel IP Intercom for Office
US$115.00-119.00
20 Pieces(MOQ)
Hands Free Programmable Industrial Waterproof Dustproof Outdoor Intercom
US$355.00
2 Pieces(MOQ)
Wireless Speaker Window Intercom Two Side Speaking
US$14.00-17.00
1 Set(MOQ)
Bus Station Ticket Office Window Interphone System Two-Way Window Intercom for Bank
US$20.00-24.00
1 Set(MOQ)
Explosion Proof Weatherproof Industrial Outdoor Marine Vandal Proof Emergency Intercom
US$399.00-459.00
1 Piece(MOQ)
Durable Analog Intercom Device for Efficient Communication Solutions
US$21,000.00
1 Piece(MOQ)
Stainless Steel Audio IP Intercom for Villa Support Swipe Card
US$162.00
1 Piece(MOQ)
Mining Marine Oil Gas Explosion Proof Flameproof Industrial Emergency Intercom
US$529.00-599.00
1 Piece(MOQ)



















