The OBS421 is a standalone, dual-mode (Bluetooth Smart Ready) module complete with embedded Bluetooth stack and serial port application.
Made by u-blox, it can be used as a Bluetooth Smart Ready client for any host and can access any Bluetooth Smart device that implements services based on the Generic Attribute Profile (GATT), such as a low-energy battery service or an automation I/O service. It can also be used in applications where a smartphone, tablet or laptop is to connect to a serial device such as a programmable logic controller (PLC).
The robust module is easily configured via AT commands and can cover a range of 300 metres, with throughput up to 1,3 Mbps. Customers may embed their own applications, eliminating the need for an external application processor. The middleware with easy-to-use interfaces speeds up and simplifies application development. Customer developed applications can make use of additional module interfaces such as GPIO, SPI, I²C, JTAG, UART / USART and analog inputs.
The OBS421 is fully Bluetooth qualified and provides modular radio type approvals for the US, Europe, Japan and Canada (FCC, R&TTE, MIC, IC). It is also compliant with EMC, safety and medical standards, and can withstand operating temperatures between –30°C and +85°C.
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