2 4ghz arm based single board computer

{"cid":"91222545","title":"Rockchip RK3568 Arm Based Single Board Computer SBC 4K 1080P -10 ~ 70\u2103","imgUrl":"https:\/\/img.chinax.com\/nimg\/fd\/a2\/baa128a48f84fe26e1eea59b9016-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Neardi","Model Number":"LBA3568","Minimum Order Quantity":"1 piece","Delivery Time":"7 days","Place of Origin":"Shanghai, China","Payment Terms":"L\/C, D\/A, D\/P, T\/T","Supply Ability":"10000\/pieces\/mon","Packaging Details":"33.5\u00d719\u00d79 cm","Product Name":"Neardi RK3568 Linux Single Board Computer LBA3568 Embedded Arm Sbc","DDR":"LPDDR4, 1GB\/4GB\/8GB","M.2":"M.2 NGFF ( M-KEY ) PCIE V2.1 x4 with NVMe SSD supported","Embedded":"Yes","VPU":"4K Video Decoding, 1080P Video Encoding","Camera Interface":"1x MIPI-CSI Camera Interface","PCIe":"mini PCIe for 2G\/3G\/4G LTE module","OS":"Android \/ Ubuntu \/ Buildroot \/ Debian"}}

{"cid":"91214877","title":"STM32F107RCT6 Connectivity line, ARM-based 32-bit MCU with 64\/256 KB Flash, USB OTG computer chip board","imgUrl":"https:\/\/img.chinax.com\/nimg\/e4\/78\/f60ab5dd1f62c984a0d684dfb423-200x200-1.jpg","attrs":{"Price":"Negotiation","Brand Name":"STMICROELECTRONICS","Model Number":"STM32F107RCT","Minimum Order Quantity":"20pcs","Delivery Time":"1 Day","Certification":"Original Factory Pack","Place of Origin":"brand new","Payment Terms":"T\/T, Western Union,PayPal","Supply Ability":"5200PCS","Packaging Details":"please contact me for details","Description":"ARM\u00ae Cortex\u00ae-M3 STM32F1 Microcontroller IC 32-Bit Single-Core 72MHz 256KB (256K x 8) FLASH","Supply Voltage":"12 V","Control Input Voltage (RE, DE)":"-0.5 to (VCC + 0.5) V","Driver Input Voltage (DI)":"-0.5 to (VCC + 0.5) V","Driver Output Voltage (A, B)":"\u00b1 12.5 V","Receiver Input Voltage (A, B)":"\u00b1 12.5 V"}}