Our large supply NORDIC Bluetooth 4.0 chip nRF51822 based design ultra low power Bluetooth 4.0 module PTR5518, Bluetooth chip nRF51822 is a multi-protocol Bluetooth 4.0 low-power ARM core / 2.4GHz RF dedicated single-chip Bluetooth 4.0 module widely used At including PC peripherals, Internet TV remote control, sports / fitness / health sensors, toys and automation applications. In order to facilitate Bluetooth 4.0 (BLE) technology migration and application in various industries products, Motion Technologies has developed a special nRF5518, the development of low-power Bluetooth 4.0 module power major industries in the IOT Technology. With this module, users can save time Bluetooth underlying investment and the cost of hardware and software R & D investment in the shortest development cycle integration of existing programs or products, fast bridging electronics and smart mobile devices. Ultra-low-power Bluetooth 4.0 module PTR5518 uses Bluetooth 4.0 chip nRF51822 NORDIC core processor, Bluetooth 4.0 chip nRF51822 embedded Cortex-M0 core, high-performance, ultra-low power (ULP) characteristics. Bluetooth 4.0 module PTR5518 by the Bluetooth SIG BQB certification, and by the U.S. Federal Communications Commission FCC certification, the European CE certification. Ultra-low-power Bluetooth 4.0 module PTR5518 Product Description: Operating voltage: 1.8 ~ 3.6V Dimensions: 15x15mm serial packet: 300 bytes can be received (including 300) of any length programming the following information: the support. Download: SWD (Series Wire Debug) Interface Communication Interface: Serial Resources: 11 general purpose IO pins Transfer Protocol: Bluetooth 4.0 or 2.4G Bluetooth 4.0 module PTR5518 development process is simple, you can directly call the API does not need to know the Bluetooth 4.0 protocol and Bluetooth 4.0 protocol and application space independently, making development time and greatly reduce the difficulty, and do not worry about the air upgrade failed.