Bluegiga BT121 Bluetooth Smart Ready Combo Module

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The BT121 module integrates both Bluetooth BR/EDR and Bluetooth Smart wireless technologies in a single 11 x 14 mm module with an integrated antenna and fully certified dual-mode protocol stack, minimising design time and complexity. The BT4.1 compliant module is suitable for applications that require connectivity to both legacy devices that only support Bluetooth BR/EDR and newer devices that support Bluetooth Smart, including connected home, health and fitness, wearables and point-of-sale terminals.

The module can connect to legacy devices that only support Bluetooth SPP or Apple iAP2 profiles, as well to devices that support Bluetooth Smart. It integrates a high-performance Bluetooth radio, a low-power ARM Cortex microcontroller and Bluegiga Bluetooth Smart Ready stack software, making it easy to use as no RF or Bluetooth software development is needed. The product can be used as a modem together with a separate host MCU, but applications can also be embedded into the built-in ARM Cortex MCU with the Bluegiga BGScript scripting language.

The device features RF output up to 12 dBm, providing long-range Bluetooth connections, and is certified with full modular approval for FCC, IC, CE, South Korea and Japan. A fully featured development kit (DKBT) can be purchased from Glyn High-Tech Distribution Glynstore.