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Description
DAHUA PFM886-20 Outdoor 5G Wireless video transmission device (Backhaul)PFM886 20 Outdoor 5G Wireless video transmission device (Backhaul) >Support outdoor temperature: 30~70, industrial design; >Use the high performance 802. 11ac MIMO chip, and the highest rate can achieve 867Mbps; >Support proprietary protocol TDMA; when the wireless devices open TDMA, other manufacturers will not be able to link them which ensure the system safety; >POE power supply, which supports international standard 802. 3at and lets power supply
PFM886-20
Outdoor 5G Wireless video transmission device (Backhaul)
>Support outdoor temperature: -30℃~70℃, industrial design;
>Use the high-performance 802.11ac MIMO chip, and the highest rate can achieve 867Mbps;
>Support proprietary protocol TDMA; when the wireless devices open TDMA, other manufacturers will not be able to link them which ensure the system safety;
>POE power supply, which supports international standard 802.3at and lets power supply be convenient and reliable;
>Support double firmware redundancy backup and make the maintenance operation be more safe and reliable;
>Support auto ranging function, real time display straight line distance between client and base station;
>Support device auto reboot function;
>Working frequency support 5745~5825MHz(extended range: 4920~6100MHz);
>Support flow control, effectively control base station/client input/output flow control;
>Support VLAN partition, realize virtual local network function, control broadcast storm;
>Support Web page and AC remote operations management and make the installation and maintenance be more convenient;
>Support SNMP v1/v2c/v3 network management protocol, adapt to all kinds of general network management platform, and make the equipment management be more convenient;
>Support multiple channel option (5M/10M/20M/40M), effectively improve anti-interference and penetration capability;
>Built-in professional lightning protection technology, which supports 6 kV port lightning protection ability to ensure that the poor working environment adaptability of outdoor and greatly reducing rate of lightning damage to equipment.
>Use the high-performance 802.11ac MIMO chip, and the highest rate can achieve 867Mbps;
>Support proprietary protocol TDMA; when the wireless devices open TDMA, other manufacturers will not be able to link them which ensure the system safety;
>POE power supply, which supports international standard 802.3at and lets power supply be convenient and reliable;
>Support double firmware redundancy backup and make the maintenance operation be more safe and reliable;
>Support auto ranging function, real time display straight line distance between client and base station;
>Support device auto reboot function;
>Working frequency support 5745~5825MHz(extended range: 4920~6100MHz);
>Support flow control, effectively control base station/client input/output flow control;
>Support VLAN partition, realize virtual local network function, control broadcast storm;
>Support Web page and AC remote operations management and make the installation and maintenance be more convenient;
>Support SNMP v1/v2c/v3 network management protocol, adapt to all kinds of general network management platform, and make the equipment management be more convenient;
>Support multiple channel option (5M/10M/20M/40M), effectively improve anti-interference and penetration capability;
>Built-in professional lightning protection technology, which supports 6 kV port lightning protection ability to ensure that the poor working environment adaptability of outdoor and greatly reducing rate of lightning damage to equipment.
Product Data
|
Model |
DH-PFM886-20 |
|
Wireless Features |
|
| Wireless Standard |
IEEE802.11 a/n/ac |
| Working Frequency |
5745~5825MHz(support frequency to extend, extended range: 4920~6100MHz) |
| Wireless Speed |
867Mbps |
| Modulation Mode |
OFDM |
| Antenna |
External antenna: gain 29dBi |
| Output Power |
27dBm (max) |
| Receiving Sensitivity |
11a: -91dBm@ 6Mbps 11n: -74dBm@MCS7 11ac: -67dBm@MCS9 |
| Transmission Distance |
0-20Km |
| Wireless Direction Angle |
Horizontal 6°, vertical 6° |
|
Hardware |
|
| Power |
1*PoE RJ45(IN: 220V, OUT: 48V/0.5A), |
| Power Consumption |
Max. 15W |
| Ethernet Port |
1*LAN RJ45(1Gbps) |
| Working Temperature |
-30℃~+70℃ |
| Storage Temperature |
-40℃~+80℃ |
| Working Humidity |
5%~95%RH( no condensation) |
| Equipment Dimension |
265×265×47.5mm |
| Antenna Dimension |
ɸ600m |
| Equipment Weight |
2.4Kg |
| Antenna Weight |
6.15Kg |
| Protection Level |
IP66 |
|
Software |
|
| Encryption Type |
WPA-PSK/WPA2/CCMP(AES)/TKIP |
| Network Mode |
Route/Network Bridge |
| Working Mode |
Access Point/Client/WDS AP/WDS client |
| Security Mechanism |
IP/MAC address filtering, hide network name and etc. |
| Network Protocol |
TCP/UDP/ARP/ICMP/DHCP/HTTP/NTP |
| TDMA Enhancement |
Support(TDMA eliminate hidden nodes influence and greatly improve one-to-many performance) |
| Auto ACK Timing Adjustment |
Support(Auto optimize parameter within long-distance communication and make the performance optimal) |
| Management and Log |
NTP, Syslog, Telnet, AC, SNMP |
| Webpage Configuration Management |
Support webpage configuration, AC remote management and SNMP management |
| Firmware Update |
Support Firmware webpage update and AC remote upgrade |
| Bandwidth Flexible Configuration |
10/20/40/80MHz |
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
4.7 ★★★★★
Based on 905 reviews
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Product Reviews
★★★★★ 5
Good sturdy ball for aggressive chewer
Size: 4.5"
Nice heavy duty ball that my 7 yr old pitbull can chew on and not destroy it in 2 minutes. Wish that could get 3 for the cost but whatever. Nice bright colors . Good size that he won't choke on it .
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026
★★★★★ 4
Great ball but poor squeaked design
Size: 4.5"
My Rottie loves these balls. The ball lasts a long time even though he plays hard and chews them. My biggest complaint is the squeaker disconnects easily from inside the ball, the glue does not hold! We have bought many of these balls because eventually the area where the squeaker is attached comes away from the ball leaving an open whole that causes the ball to eventually developed a long crack at which point it no longer is able to be thrown nor is is fun for him any longer.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 19, 2025
★★★★★ 5
Well made and great fun for our Pittie
Size: 4.5"
My pittie loves these! They are way thicker than others. He has learned how to chew on the spikes. Seems like a good teeth cleaning too. Yes, the squeaker breaks! That is a great thing!! With his active chewing, that sound was driving us crazy after a while.
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Reviewed in the United States on February 19, 2026
★★★★★ 5
"Durable Fun: Pweituoet Heavy Duty Squeaky Dog Balls for Aggressive Chewers"
Size: 4.5"
Product Review:
The Pweituoet 4.5” Heavy Duty Squeaky Dog Balls have been a hit with my dog, proving to be both durable and entertaining.
Durability:
These dog balls are impressively tough. My dog is an aggressive chewer, and most toys don’t last long, but these balls have held up exceptionally well. The heavy-duty material and spiked design are perfect for dogs who love to chew, providing both durability and safety.
Entertainment:
The built-in squeaker adds an extra layer of fun. It captures my dog’s attention immediately, and the squeak keeps him engaged for longer play sessions. The spikes also make the ball easy for him to grip and carry around.
Size:
The 4.5” size is ideal for medium to large dogs. It’s large enough to avoid being a choking hazard but still easy for my dog to pick up and play with. The size and weight are just right for games of fetch, too.
Value:
Given the durability and how much my dog enjoys these balls, they offer great value for the price. They’ve lasted much longer than other toys we’ve tried, making them a worthwhile investment for any dog owner with a tough chewer.
Overall Verdict:
The Pweituoet Heavy Duty Squeaky Dog Balls are an excellent choice for medium to large dogs, especially those who are aggressive chewers. They’re durable, fun, and well-sized, making them a great addition to your dog’s toy collection. Highly recommended!
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Reviewed in the United States on August 10, 2024
★★★★★ 5
Actually stands up to use
Size: 4.5", Size: 4.5"
I have a pitbull who is a toy destroyer. All those toys, even the ones that say tough enough for destroyers, never hold up. THESE BALLS ARE AWESOME! I bought the 2 pack of the 4.5 inch balls and they lasted a year. I literally am writing this review after ordering a new set. These are well worth the money and Ghost (my dog) loves them. Hes a 103lbs pitbull and his life mission is cuddles and destroying his toys... and these lasting a year of everyday use is friggin awesome. Both toys failed in the same way eventually. They gave out in a circle around the "squeker".
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Reviewed in the United States on September 14, 2024