YKR-RK3328 Quad-Core (Supports Secondary Development)

Item	Specification
CPU	Rockchip RK3328
Processor Architecture	Quad-core Cortex-A53, up to 1.4GHz
NPU	Quad-core Cortex-A53 (embedded in CPU)
Memory (RAM)	1GB DDR4
Onboard Storage	• TF card slot • 16MB SPI Flash
Ethernet	• 1× onboard Gigabit Ethernet (RTL8211F chip) • 1× USB 3.0 to Gigabit Ethernet adapter (RTL8153B chip)
Wireless Networking	Optional M.2 SDIO Wi-Fi module
Operating System	Android 9 / Ubuntu / Debian / OpenWRT / Others

Product Specification:

Item	Specification
CPU	Rockchip RK3328
Processor Architecture	Quad-core Cortex-A53, up to 1.4GHz
GPU	Integrated GPU (part of Cortex-A53 SoC)
Memory (RAM)	1GB DDR4
Onboard Storage	TF Card Slot
	16MB SPI Flash
Ethernet	1× Onboard Gigabit Ethernet (RTL8211F chip)
	1× USB 3.0 to Gigabit Ethernet Adapter (RTL8153B chip)
Wireless Networking	Optional M.2 SDIO Wi-Fi Module
Power Supply	USB Type-C, 5V / 2A Input
USB 2.0 Ports	1× USB 2.0 Host
Low-Level Peripherals	UART Debug Port (TX, RX, GND)
	Power LED and Ethernet Status LED
	1× Reset Button
Supported Operating Systems	Android 9, Ubuntu, Debian, OpenWRT, others
Dimensions	60mm × 60mm
Weight	175 g