BT122-A-V2R
Silicon LabsBT122-A-V2R is a Bluetooth dual-mode module from Silicon Labs with an integrated antenna — Bluetooth BR/EDR plus BLE v4.2 in an 11.6 x 16.0 x 2.2 mm surface-mount module, supplied on reel; the -V2 code without the R is the cut-tape form of the same module. An on-module Arm Cortex-M4 running BGScript handles the radio and simple application logic without an external host MCU, over UART and I2C interfaces. Transmit power reaches +11 dBm for BR/EDR and +7 dBm for BLE with -95 dBm receiver sensitivity, a link budget aimed at cable-replacement, point-of-sale and industrial control links rather than ultra-low-power BLE-only beacons. Selection advice: choose BT122 when the product needs Classic Bluetooth BR/EDR alongside BLE in one pre-built module; for BLE-only designs, the Silicon Labs Series 2 modules draw less. Silicon Labs lists BT122 as Active, with certification documents still maintained in 2025. Parameters verified against Silicon Labs documentation.
- MPN
- BT122-A-V2R
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- Silicon Labs
- Family
- Bluetooth module
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- Module
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