Orbi CBK752 Mesh Ax4200 Cable Modem

After releasing the wifi-6 cable modem router, Netgear released a new series of cable modem mesh wifi-6 system – Orbi CBK752 mesh wifi-6 system with built-in DOCSIS 3.1 cable modem.

What this product does

For those who don’t like clutter of many devices at home for a mesh wifi network, Netgear has released Orbi CBK752 – a mesh wifi-6 system that is integrated with a cable modem. The Orbi Cbk752 comes with Orbi Cbr750 mesh wifi-6 router with built-in DOCSIS 3.1 cable modem plus Orbi Rbs750 satellite.

Orbi Cbk752 ax4200 DOCSIS 3.1 cable modem
Orbi Cbk752 ax4200 DOCSIS 3.1 cable modem

Netgear has previously released a similar product called Orbi Cbk40 with wireless ac. While Arris, who has released various models of cable modem router products, does not release yet a similar product except Surfboard Sbg8300 which is a wireless ac2100 router with built-in DOCSIS 3.1 cable modem.

Orbi Cbr750

Orbi Cbr750 is a three band mesh ax4200 wifi-6 router with built-in DOCSIS 3.1 cable modem.

This product is the same as Orbi Rbk750 series – a tri-band mesh ax4200 wifi-6 router with 8 streams with wireless speeds of up to

  1. 600Mbps @2.4Ghz with 2×2 MU-MIMO,
  2. plus up to 1,200Mbps @5GHz 2×2 MU-MIMO
  3. 2,400Mbps 4×4 MIMO @5GHz for dedicated backhaul between Orbi units    

To form a whole home mesh wifi system, you can add one or more Orbi Rbs750 satellites, each unit can covers up to 2,500 sq ft. See also Orbi Rbk750 ax4200 vs Velop mx10

Orbi cbr750 ax4200 wifi-6 cable modem router

Orbi Cbr750 vs Nighthawk Cax80

Previously, Netgear had released the Nighthawk Cax80 wifi-6 cable modem router; of course it’s different with the Orbi Cbr750 mesh wifi-6 router. Cax80 is a wifi-6 router while Cbr750 is a mesh wifi-6 router; however both come with built-in DOCSIS 3.1 cable modem. It’s similar with the one offered by Arris – the Surfboard Sbg8300 cable modem router, however this product is based on AC2300 wave 2, not latest wifi-6 technology. See also mesh wifi system offered by Arris – the Surfboard ax7800 mesh wifi system.

Technically comparison between the two models of cable modem wifi-6 routers can be shown in the following table 1.

Different wifi system

Orbi Cbr750 is a simultaneous tri-band mesh wifi ax4200 system, you can add one or more satellite Rbs750 series to form mesh wifi system in home. However, not all the three radio bands are used for clients connections. One of the two radio bands @5Ghz speed up to 2,400Mbps is used for dedicated backhaul between Orbi mesh router and Orbi satellites.

On the other hand, Nighthawk Cax80 is simultaneous dual band ax6000 wifi-6 router, similar concept as Surfboard Sbg8300 dual band AC2300 and all the two radio bands are used for connected users. When you need to add coverage, you need to add wireless range extender such as Netgear Nighthawk eax80 wifi-6 extender.

Take a look at the following spec comparison table to see more spec differences.

Table 1 Orbi Cbr750 vs Nighthawk Cax80

Cable modem routerOrbi CBR750Nighthawk CAX80
Wifi technologySimultaneous tri-band ax4200 mesh wifi system with 8-streams with MU-MIMOSimultaneous dual band ax6000 wifi 6 technology  with 8-streams with MU-MIMO
Wifi speeds600Mbps @2.4GHz 2×2 MU-MIMO 1,200Mbps @5GHz 2×2 MU-MIMO 2,400Mbps @5GHz 4×4 MIMO (dedicated backhaul link)2.4GHz AX: 4×4 (Tx/Rx) 1024 QAM 40MHz up to 1.2Gbps 5GHz AX: 4×4 (Tx/Rx) 1024 QAM 160MHz, up to 4.8Gbps
Cable modemDOCSIS 3.1 compatible with 32×8 DOCSIS 3.0DOCSIS 3.1 compatible with 32×8 DOCSIS 3.0
Ethernet PortsFour (4) 10/100/1000Mbps Gigabit Ethernet LAN ports4x Gigabit LAN ports with 2 link aggregated ports and One 2.5Gbps LAN port
USB PortsN/A1x USB 3.0
ProcessorPowerful Quad-Core 1.4GHz processorPowered by 1.5GHz dual core processor

With the Orbi Cbk752 that consists of the Orbi Cbr750 – a two-in-one mesh router and DOCIS 3.1 cable modem, plus one Orbi Rbs750 satellite that you can place in another room or on the second floor of your house, the wifi signal is evenly distributed with one network name. If you need larger coverage you can add one more Orbi satellites.

Orbi Cbk752 Highlights

  • Consists of Orbi Cbr750 mesh router and Rbs750 satellite simultaneous tri-band mesh wifi-6 ax4200 mesh wifi system
  • Wifi speeds 600Mbps @2.4GHz + 1,200Mbps @5GHz + 2,400Mbps @5GHz (dedicated backhaul link)
  • 4xGigabit LAN ports (Orbi router), 2xGigabit LAN ports for Satellite
  • Coverage up to 2,500 sq ft each router / satellite
  • Orbi Cbr750 comes with built-in DOCSIS 3.1 cable modem (32×8 DOCSIS 3.0)
  • Powered by Quad core 1.4GHz processor
  • Compatible with major ISP providers
  • Easy to setup with Orbi app
  • Seamless roaming within rooms with solid wifi connection
  • Auto firmware update
  • Netgear Armor advanced cyber threat protection service plan

Cons

  • No USB port

Click here to learn more spec details CBK752

With this two-pack of Orbi Cbk752 kit you can remove clutter of cable modem and configuration is simple. This product is tagged around $599.00 in Amazon.

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If most of your wifi devices at home still based on wireless ac technology, it is better to consider the Surfboard sbg8300 which is much cheaper than the Orbi Cbk752. Unless you need wider coverage, then consider a mesh wifi system such as new Tatronics AC3000 mesh wifi system, or try the Meshforce M3s midnight black.

Related products

For business offices, you may consider Netgear wax610 indoor wifi-6 access point and the Netgear wax610y Outdoor ax1800 access point.

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