Features: Brand new and high quality The stand-out feature of T-SIM7080G-S3 is its multiple capabilities, with both ESP32-S3 and SIM7080 capabilities. Offer seamlesses connectivities through Wi-Fi and Bluetooth-compatible 5.0. Made of high-quality materials, exquisite workmanship, very good quality and long service life. Great workmanship, with strict quality control and quality assurance, high safety factors, can be used with peace of mind. Replaces old/broken/crack/damaged/bad development board. Specifications: Material:PCB MCU:ESP32-S3 CAT-M&NB-IoT:SIM7080G Clock frequency: 240Mhz Flash memory: 16MB PSRAM:8MB Support wireless communication protocol: Wi-Fi: IEEE802.11bgn-compliant. Bluetooth-compatibleLE:Bluetooth-compatible5,Bluetooth-compatiblemesh Size:Approx.11x3.2x2cm/4.33x1.26x0.78inches Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Development Board