OBS421 Series

By Silicon Labs 231

OBS421 Series

The connectBlue Bluetooth Serial Port Module OBS421 supports the Serial Port Profile (SPP) for fast and secure transparent serial data transmissions. The module has a small form factor, low build height, and supports Bluetooth 2.1+EDR. Via an upcoming firmware upgrade, the module is prepared for Bluetooth 4.0 including Bluetooth low energy technology. With the Bluetooth stack embedded, you can be up and running quickly as there is no need for a driver or stack in your host. The module is fully Bluetooth qualified and radio type approved for Europe, Japan, US, and Canada. It also has the connectBlue standard interface for compatibility over time and radio technologies.

  • Embedded Bluetooth stack (SPP, DUN, PAN)
  • Bluetooth 2.1+EDR qualified as end product (Bluetooth 4.0 prepared via firmware upgrade)
  • Android support
  • Mid-range (0-300 m)
  • High speed UART
  • Very high throughput and low latency
  • Easy configuration by AT commands
  • Radio type approved for Canada, Europe, Japan, and US
  • Compliant with EMC, safety and medical standards
  • connectBlue Low Emission Mode™
  • Wireless Multidrop™ with up to 7 slaves
  • Extended Data Mode™ for separated multipoint data channels
  • Internal or external antenna
  • Industrial and automotive temperature range -30°C to +85°C
  • Possible to load customer specific configuration in production

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