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Netgear XR300

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abgn+ac (AC1750)
Nighthawk Pro Gaming Router
Netgear XR300.jpg
Homepage Product page
Support Support page
Wikipedia Netgear
WikiDevi.wi-cat.ru Netgear XR300
3rd Party Firmware
dd-wrt Status Unknown
OpenWrt Status Unknown
Tomato any flavor Supported
Gargoyle Status Unknown
Platform
BrandModelRev Netgear XR300
FCC ID PY316200342
IC ID U12H332T78
Board ID U12H332T78
Type wireless router
Series Nighthawk
CPU1 checkY Broadcom BCM4708C0
CPU1 Type ARM Cortex-A9
CPU1 Speed 1.0 GHz ( 2 cores )
Flash1 Chip Brand? Model?
Flash1 Size 128 MiB134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br />
RAM1 Size 512 MiB536,870,912 B <br />4,194,304 Kib <br />524,288 KiB <br />4,096 Mib <br />0.5 GiB <br />
RAM1 Chip Brand? Model?
nvram Size 128K
ETH chip1 Broadcom BCM4708C0
Switch Broadcom BCM4708C0
Ethernet Port Count 1-1GbE-WAN4-1GbE-LAN
Wired Standard IEEE 802.3i/3u/3ab

802dot11 OUI: none specified

Stock FW OS Linux DumaOS
Expansion IF types USB 3.0
USB ports 1
USB Hub Compatible Untested
Power 12 VDC, 2.5 A
Connector type barrel
Other
Manuf/OEM/ODM Foxconn U12H332 T78
3rd Party Firmware Support FreshTomato • (List | DLs)
Retail
FCC approval date 28 October 2016
(Est.) release date 14 April 2019
(Est.) initial retail price (in USD): $200
ASIN B07PGZH7Q4 Flag of the United States.svg
Radio 1
Chip1 Broadcom BCM4360
Wireless interface OUI none specified
Antenna Connector Type none specified
MIMO status 3x3:3
Wireless Standard IEEE 802.11a/n/ac
802.11ac up to 1300 Mbps
802.11n up to 450 Mbps
802.11a up to 54 Mbps
WiFi Operating Frequency 54 GHz
Radio cor_rev 40
Radio 2
Chip1 Broadcom BCM4331
Wireless interface OUI none specified
Antenna Connector Type none specified
MIMO status 3x3:3
Wireless Standard IEEE 802.11b/g/n
802.11n up to 450 Mbps
802.11g up to 54 Mbps
802.11b up to 11 Mbps
WiFi Operating Frequency 2.4 GHz
Radio cor_rev 29
 FCC ID
Netgear R6400 v2 U12H332T20PY316200342
Netgear R6400 v2 U12H332T30PY316200342
Netgear R6700 v3PY316200342

For a list of all currently documented Broadcom chipsets with specifications, see Broadcom.

For a list of all currently documented Netgear devices with specifications, see Netgear.

1300 Mbps - 3SS 5GHz 802.11ac (80MHz chan.),
450 Mbps - 3SS 2.4GHz 802.11n (40MHz chan.) = AC1750 class

Overview

"U12H332T78" is in the header of the firmware file that is available for download.

Broadcom chips are just a guess, for now. This device is presumed to use BCM4360 + BCM4331 radios like the Netgear R6700v3 / Netgear R6400 v2 since no MU-MIMO or 256-QAM support is claimed in any currently available PR.

Links of Interest

Datasheet

Flashing

Flashing Tomato

Support added

Flashing ExpressVPN

Compatible with Netgear Nighthawk R6700v3 firmware

JTAG-Serial Info

Serial

Serial Pinouts

This router had a 4 pin header already soldered onto it and the pins were clearly labeled on the printed circuit board's silkscreen.

1. +V 2. Ground 3. Transmit 4. Receive The Baud rate is 115,200.