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Description
Optical Time Domain Reflectometer OTDR AOR500-AAutomatic one button testing Easy to operate for beginners and experts Input laser signal auto detection and self protection Integrated PALM design, small, light, easy to carry High contrast color TFT LCD USB port for PC connection Built in VFL High speed signal processing, short test time and fast analysis User friendly OTDR simulation software shows details of events Model AOR500 S AOR500 A AOR500 B AOR500 PB Dynamic Range* 24dB 22dB 28dB 26dB 32dB
Automatic one-button testing
Easy to operate for beginners and experts
Input laser signal auto detection and self-protection
Integrated PALM design, small, light, easy to carry
High contrast color TFT LCD
USB port for PC connection
Built-in VFL
High speed signal processing, short test time and fast analysis
User-friendly OTDR simulation software shows details of events
| Model | AOR500-S | AOR500-A | AOR500-B | AOR500-PB |
| Dynamic Range* | 24dB / 22dB | 28dB / 26dB | 32dB / 30dB | 35dB / 34dB/34dB |
| Max.Distance** | 80km | 100km | 120km | 120km |
| Wavelength | 1310/1550nm | 1310/1550nm | 1310/1550nm | 1310/1550/1625nm, 1625nm with filter |
| Event Dead Zone *** | 1.5m | |||
| Attenuation Dead Zone | 8.0m | |||
| Pulse Width | 10ns, 25ns, 50ns, 100ns, 250ns, 500ns, 1us, 2.5us, 5us, 10us | |||
| Distance uncertainty | ±(0.8m ± 0.001% * testing distance ± resolution) | |||
| Loss Resolution | 0.001dB | |||
| Min.Distance Resolution | 1m | |||
| Connector | FC/PC (1310/1550), FC/APC (1625) interchangeable adapter or customize | |||
| VFL | 1mW | |||
| Data Storage | > 10000 traces (standard 1GB SD card) | |||
| Display | 3.5 inch TFT color LCD | |||
| Interface | USB | |||
| Battery | Built-in rechargeable battery | |||
| Working Time | 10 hrs (Bellcore tr-NWT-001138) | |||
| Size(H*W*D) | 197mm * 107mm * 67mm | |||
| Weight | About 750g | |||
| Storage Temperature | -20 -- +60 ℃, 90%RH | |||
| Operating Temperature | -10 -- +50 ℃, 90%RH | |||
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
Better than beds I've spent double the money on!
Size: 20.0"L x 20.0"W x 6.0''TH, Style: Round, Pattern Name: Bed
This bed is actually amazing for the price. My chihuahua digs a hole through every bed he's ever had except this one. The bottom actually went flat before he was able to dig a hole into the fabric. But since its such a great bed, i cut open the bottom and restuffed it from the filling from an old pillow and stitched it back up so he can keep enjoying it. Abd if he eventually does dig a hole in it, ill be rebuying this same bed.
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Reviewed in the United States on April 27, 2026
★★★★★ 5
My cat used it right away!
Size: 20.0"L x 20.0"W x 6.0''TH, Style: Round, Pattern Name: Bed
My large long-hair orange cat is a bed hoarder. He has at least 5 or 6 beds around the house, and uses every one of them (at different times, of course). But lately he's started sleeping on my pillow during the day, but going to bed at night on a pillow covered in his long orange hair wasn't cutting it for me. So I purchased one more bed for him - because heaven help me if I should move one of his other beds. What we won't do for our babies! Anyway, I put this new bed near my pillow and he's been using the bed instead of my pillow. It's soft and the bolsters are thick and it's just the right size for him to curl up in! He loves it! Win-win!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 14, 2026
★★★★★ 3
Lopsided, but works
Size: 20.0"L x 20.0"W x 6.0''TH, Style: Round, Pattern Name: Bed
It's soft and good cat size. The bottom stuffing is uneven, so it leans a lot, no matter how I rotate it for the cat to try to even it out.
But the old cat loves it, especially since it's positioned in a perfect spot; a "corner" by a hallway, so it feels safe, while letting the cat see everything from that out of the way vantage point. I've been trying to get him to use beds again (had to throw some out b/c he gets seizures which can result in loss of bladder control). It only took a few days for him to "discover" the new bed, and start adding it to his nap rotations. and he looks so cute in it.
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Reviewed in the United States on January 3, 2023
★★★★★ 5
Great for all dogs
Size: 20.0"L x 20.0"W x 6.0''TH, Style: Round, Pattern Name: Bed
Durable and easy to vacuum and wash. Keeps its form well my smaller dog AND LARGE DOG find it comfortable
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Reviewed in the United States on March 31, 2026
★★★★★ 5
Awesome football
Color: Ohio State Buckeyes
Awesome State awesome football!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
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