BigTree Tech CB2

abgn+ac (AC600)
BIGTREETECH CB2
Homepage	Product page
3rd Party Firmware
dd-wrt	Status Unknown
OpenWrt	Status Unknown
Tomato any flavor	Incompatible
Platform
Brand • Model • Rev	BigTree Tech CB2 V1.0
FCC ID	none specified
Type	SoM
CPU1	Rockchip RK3566
CPU1 Type	ARM Cortex-A55
CPU1 Speed	1.8 GHz ( 4 cores ) 64-bit
Flash1 Chip	Kingston EMMC32G-PJ30
Flash1 Size	32 GiB 32,768 MiB <br />34,359,738,368 B <br />268,435,456 Kib <br />33,554,432 KiB <br />262,144 Mib <br />
RAM1 Size	2 GiB 2,048 MiB <br />2,147,483,648 B <br />16,777,216 Kib <br />2,097,152 KiB <br />16,384 Mib <br />
RAM1 Chip	CXMT CXDB4ABAM-MK
ETH chip1	Rockchip RK3566
ETH chip2	Motorcomm YT8531C
Ethernet Port Count	1-1GbE-LAN
Wired Standard	IEEE 802.3i/3u/3ab
802dot11 OUI: none specified
Expansion IF types	none specified
Power	5 VDC, ? A
Retail
(Est.) release date	May 2024
(Est.) initial retail price (in USD):	$60
ASIN	B0D1VDN356
Country of manuf	China
Radio 1
Radio1 module	AMPAK AP6256
Radio1 module IF	SDIO 3.0
Chip1	Broadcom BCM43456
Wireless interface OUI	none specified
Antenna Connector Type	U.FL
MIMO status	1x1:1
Wireless Standard	IEEE 802.11a/b/g/n/ac
802.11ac	up to 433 Mbps
802.11n	up to 150 Mbps
802.11g	up to 54 Mbps
802.11b	up to 11 Mbps
802.11a	up to 54 Mbps
WiFi Operating Frequency	2.4 or 5 GHz

For a list of all currently documented Broadcom chipsets with specifications, see Broadcom.
Motorcomm not currently documented.
For a list of all currently documented Rockchip SoC's with specifications, see Rockchip.

• 433 Mbps - 1SS 5GHz 802.11ac (80MHz chan.),

• 150 Mbps - 1SS 2.4GHz 802.11n (40MHz chan.) = AC600 class

Overview

"BIGTREETECH_CB2_V1.0" is silkscreened on board top.

Hardware specification

• CPU: Rockchip RK3566 @1.8GHz

Quad-Core ARM (Cortex-A55)

• GPU: Mali-G52 2EE (OpenGL ES3.2); NPU 0.8Tops @INT8

VPU (with 4K VP9 and 4K 10-bit H265/H264 decoding)

• Storage: 32GB (eMMC) Flash
• Memory: 2GB (LPDDR4) SDRAM
• Wi-Fi: Broadcom BCM43456

802.11abgn+ac (1T1R) • AMPAK

• Network: 1x GbE port via connectors
• Power Source: 5V via connectors

Links of Interest

• Bigtreetech/CB2 on GitHub
• BIGTREETECH Pi 2 SBC and CB2 module for 3D printers on CNX|Software
• BIGTREETECH Previews Upgraded SBC and Computer Module Featuring Rockchip RK3566 on LinuxGizmos

Pictures

User Images

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  SoM Top

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  SoM Bottom