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| ![ANNA-B412-00B ANNA-B412-00B](https://oss.origin-ic.net/productThumbImages/MFG_Anna-B4-Top-bottom-1_tmb.jpg) | BLE, U-CONNECTXPRESS,ANTENNA/PIN | | 联系我们 | PCB Symbol, Footprint & 3D Model | Surface Mount | 2.4GHz | 8dBm | 1.7V ~ 3.6V | -40°C ~ 105°C | Bluetooth | Bluetooth v5.1 | - | -103dBm | 512kB Flash, 128kB RAM | 56-SMD Module | 2Mbps | Integrated, Chip | nRF52833 | ANNA-B412 | ADC, GPIO, UART | 6mA | 6mA ~ 15.5mA |