Ecvv Trade
Shanghai Joinwit Optoelectronic Tech. Co., Ltd.

China Manufacturer with main products: Optical Power Meter, Visual Fault Locator, Otdr, Fusion Splicer, Optical Fiber Ranger, Optical Fiber Identifier, Optical Talk Set, Fiber...

Home  >Products Catalog > JW3303 handheld digital optical variable attenuator

JW3303 handheld digital optical variable attenuator

FOB Price: 500.00 - 700.00 USD/Piece
Supply Ability: 1,000 Piece/Pieces per Month
Shipping: 3 working days
Payment Terms: T/T, Western Union, Other, Paypal
In Stock

Related products from verified members

Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Shanghai in China
Packaging Details: The JW3303 variable attenuator , Protective Rubber Boot, Rechargeable battery, Power Supply Adaptor,

Quick Details

  • Model Number: JW3303 optical variable attenuator
  • Brand Name: JOINWIT
  • Attenuating Wavelength Range: 1260nm-1650nm
  • Fiber Model: 9/125,SM
  • Optical Connecto: FC/PC
  • Calibrated Wavelengths: 1310nm/1490nm/1550nm/1625nm
  • Power Supply: 7.4V Lithium Battery and 8.4V AC Adapter
  • Weight: 427g
  • Warranty: 18 months
  • Brand: JOINWIT


JW3303 Fiber Optic Variable Attenuator


JW3303 handhold optical variable attenuator is used for continuously variable optical signal attenuation. 




Attenuating wavelength Range


Fiber Model

9/125um SM

Optical Connector


Calibrated wavelengths


Measurement Range




Minimize Insertion Loss






Attenuating Accuracy


Return Loss at Input/ Output

>35dB(typical value40dB)

Max input


Displaying type

lattice 128*64 black and white, white back ground light

Rechargeable batteries


Power supply adaptor


Operation temperature


Operation Time

40 hours

Storage temperature








Standard Packages



JW3303 variable attenuator

The JW3303, Protective Rubber Boot, Rechargeable battery, Power Supply Adaptor, Instruction Manual and Cotton Swabs and Rigid hard carrying case.

Service Process

Service Guarantee

  • Free Service Charge

    ECVV doesn't charge any service fee to Buyers for buying this product.

  • ECVV Supply

    ECVV is responsible for supply, and provides product quality inspection, fund supervision and supply chain services.

  • Product Quality Commitment

    ECVV China Sourcing Agent will assess the reputation and supply ability of the factory and conduct field trips to select the high-quality Chinese factories for buyers.

  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

Optical Variable Attenuator from this supplier

W4600 Cellular Eth Router, A Cellular Eth Router.    
FOB Price: 200.00-300.00 USD/Piece
Min Order: 1 Piece
Fiber Bragg Grating Static Level-Xionghua Photonics    
FOB Price: 1.00-10.00 USD/Piece
Min Order: 5 Pieces
W4600-NR Is a 5G Cellular Eth Router for the Enterprise & M2M Scenario    
FOB Price: 200.00-300.00 USD/Piece
Min Order: 1 Piece
CX602 DSL Dual WLAN 1200Mbps Router    
FOB Price: 200.00-300.00 USD/Piece
Min Order: 1 Piece
G3600W Enterprise 4G/LTE+SFP Router    
FOB Price: 200.00-300.00 USD/Piece
Min Order: 1 Piece

More products from other suppliers

Can't find a suitable Supplier or product? Entrust ECVV to purchase the well-chosen Chinese products with high cost performance.

Learn More>> Start Safebuy Order

Communicate with Supplier

Sourcing from ECVV
Join Facebook Group