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Wireless systems

I have found results from100000+products and60000+suppliers aboutWireless systems

Commonly Used:
US$
Customization Available
Sample Available
Manufacturer First
Product Attributes:
Acoustic Vibrations Life Detector
Type: Handheld
Fire Alarm Host
Type: Anti-Theft Alarm
Battery Type: Lithium-ion
Certification: CE
Display Type: LED Display
Encryption: ADP Encryption
IP Rating: IP54
Usage: Entertainment
Color: Orange
Condition: New
Customized: Customized
Alarm Form: Display Alarm
Audio Output: XLR
Installation: Portable
Microphone Type: Gooseneck
Number of Channels: 16 channels
Style: Handheld
Display: With Display
Working Frequency Range: UHF Segment
Talk Range: 3km Max
Task: Adjust
Structure: Combination
Mathematical Model: Linear
Signal: Continuous
Function: Automatic Control
Anti-theft Alarm System Approach: Active
Anti-Theft Alarm System Type: Smoke Alarms
Wire Alarm Detectors
Anti-Theft Alarm System Distance: Power Detector
Photoelectric Smoke Style
Infrared Sensor Probe Type: Inclination Sensor
Infrared Sensor Installation: Ceiling
Alarm Volume (within 1m): ≥100dB
Networking Mode: TCP/IP
Receive Frequency: 433.92MHz
Wiring Mode: Bus System
Applicable Model: Car
Shell Material: Alloy
Interface: Air Plug
Chip: CMOS
Waterproof Grade: IP67
Compatibility: Windows
Operating Frequency: 5 GHz
Power Supply: AC Powered
Range: 50 meters
Noise Cancellation Feature
Communication Mode: Wireless
Number of Participants: 100-199 participants
Built-in recording feature
Probe Number: 2
With Voice Service
Clock: Without Clock
Screen: Color Screen
Communication Interface: RS485
Working Mode: Passive
Application: Indoor
Signal Transmission: Wireless
Directivity: Uni-direction
Sound Channel: Stereo
Transducer Principle: Electrodynamic Microphone
Pressure Differential Type
Wireless Technology: UHF
Output Impedance: 1000-20000Ω
Working Principle: Electro-Optical Type
Transmission Mode: Wireless
Battery Type: Lithium Battery
Battery Type: Ni-MH Battery
Certification: RoHS
Certification: ISO
Certification: ISO: 9001
Certification: DOT
Certification: E-MARK
Certification: FCC
Certification: MUTCD
Certification: ASTM
Certification: AS/NZS
Certification: CCC
Certification: GS
Display Type: Reverse Image
Display Type: LCD Matrix
IP Rating: IP33
Usage: Holiday
Usage: Party
Usage: Wedding
Usage: Commercial
Usage: Home
Usage: Fire
Usage: Smoke
Color: Black
Color: Silver
Audio Output: 3.5mm Jack
Installation: Fixed Installation
Number of Channels: 64 channels
Style: Western
Style: Handheld Microphone
Function: Protection
Function: Monitoring
Function: Measurement
Function: Networked
Function: with Gauge
Function: Waterproof
Function: Dustproof
Function: Shockproof
Function: Night Vision
Alarm Volume (within 1m): ≥110dB
Applicable Model: SUV
Applicable Model: Truck
Applicable Model: Agricultural Vehicles
Applicable Model: Engineering Vehicles
Applicable Model: Sightseeing Car
Applicable Model: RV
Applicable Model: Forklift
Applicable Model: Harvester
Applicable Model: Corn Machine
Shell Material: Stainless Steel
Shell Material: Aluminium
Compatibility: Android
Compatibility: iOS
Compatibility: Mac OS
Operating Frequency: UHF
Power Supply: Battery Powered
Power Supply: Rechargeable
Voice Enhancement Technology
External recording device support
Communication Interface: RS232
Communication Interface: USB
Communication Interface: TCP/IP
Application: Amplify
Signal Transmission: Wireless Alarm

Sourcing guidance for Wireless Systems

What are the key technical specifications to consider when selecting a professional wireless system?

When sourcing wireless systems, prioritize Frequency Range (UHF, VHF, or 2.4GHz/5.8GHz) to ensure signal stability. For professional audio or data transmission, UHF (Ultra High Frequency) is preferred due to its superior range and ability to penetrate obstacles. Ensure the system features True Diversity Reception, which uses two independent antenna circuits to eliminate signal dropouts. Additionally, verify the Signal-to-Noise Ratio (SNR) is at least 90dB for high-fidelity audio and check for Latency levels below 5ms in digital systems to prevent synchronization issues.

How do I ensure the wireless system complies with international telecommunications standards?

Compliance is critical as radio frequencies are strictly regulated. For the US market, products must have FCC Certification; for the EU, CE-RED (Radio Equipment Directive) is mandatory. Ensure the device operates within legal frequency bands of the destination country (e.g., avoiding the 700MHz band in many regions where it is reserved for 5G). Always request Declaration of Conformity (DoC) and Test Reports from the supplier to avoid customs seizures.

What usage scenarios should influence the choice of wireless hardware?

The choice depends heavily on the environment. For Outdoor Events, prioritize systems with a Line-of-Sight (LOS) range of 100m+ and weather-resistant housing. For Corporate Offices or Studios, look for AES-256 Encryption to ensure data security and privacy. If the system is for Mobile Journalism, focus on compact, battery-powered receivers with USB-C charging capabilities and high-density channel counts to avoid interference in crowded RF environments.

How can I evaluate the durability and build quality of wireless transmitters and receivers?

Look for All-metal chassis construction (aluminum or magnesium alloy) rather than plastic for better RF shielding and physical durability. Check the Antenna design—detachable BNC antennas are preferred for professional setups as they allow for remote mounting and easy replacement. For wearable transmitters (bodypacks), ensure they have moisture-resistant seals and locking connectors (like Hirose or TA4F) to prevent accidental disconnection during movement.

Cross-Border Procurement Risks and Strategies for Wireless Systems

What are the common risks when importing wireless technology across borders?

The primary risk is Regulatory Non-compliance, where devices may operate on prohibited frequencies, leading to heavy fines or destruction of goods by customs. Another risk is Signal Interference in the destination country that wasn't present during factory testing. To mitigate this, use Made-in-China.com to find verified suppliers who offer customized frequency tuning based on your specific regional requirements.

How should I negotiate with suppliers to ensure long-term reliability?

Negotiate for a 1-2% spare parts allowance (especially for antennas, battery covers, and clips) included in the bulk price. Demand a Quality Assurance Agreement that specifies a Failure Rate of less than 1%. For large orders, insist on a Golden Sample that will serve as the benchmark for the final Pre-Shipment Inspection (PSI).

What are the best practices for secure transactions and shipping?

Utilize Secured Payment Services provided by reputable platforms like Made-in-China.com to ensure funds are only released upon proof of shipment. For shipping, wireless systems containing Lithium Batteries must be declared as Dangerous Goods (DG) and comply with UN38.3 air transport standards. Ensure the packaging includes Anti-static shielding and sufficient foam padding to protect sensitive internal oscillators from vibration damage.

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