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BMD-340-A-R is listed in the RF Transceiver Modules And Modems range at ChipApex. The manufacturer field lists u-blox. Its product description is RF TXRX MODULE BT TRACE ANT SMD. Review the specifications below when checking this part for your BOM.
The u-blox BMD-340-A-R is an ultra-low power multiprotocol system-on-module featuring the nRF52840 processor. It supports Bluetooth 5 (BLE), Thread, and Zigbee protocols within the 2.36GHz to 2.5GHz frequency range. The module integrates a trace antenna and offers serial interfaces including I2C, I2S, SPI, UART, and USB. It operates on a supply voltage of 1.7V to 3.6V with a maximum output power of 8dBm and data rates up to 2Mbps. Storage includes 1MB flash and 256kB RAM.
Verify component authenticity through authorized u-blox distributors or certified partners. Confirm that the received modules match the specific BMD-340-A-R designation. Check manufacturing dates against current production status to ensure availability. Validate packaging integrity for moisture-sensitive device handling compliance prior to assembly.
Select this module when multiprotocol support for Thread and Zigbee alongside Bluetooth 5 is required in a single compact form factor. The integrated trace antenna simplifies RF design compared to U.FL variants. Ensure the host system can accommodate the 1.7V to 3.6V operating voltage range and provides necessary serial interface connections for configuration and data transfer.
This module belongs to the u-blox BMD-34 series, which utilizes the Nordic Semiconductor nRF52840 SoC. The series provides standardized wireless solutions for OEMs. The BMD-340 variant specifically distinguishes itself by including an integrated trace antenna, whereas other models like the BMD-341 offer external connector options.
The BMD-341-A-R serves as a functional alternative within the same series but features a U.FL connector instead of an integrated antenna. Consider the BMD-350-A-R if only Bluetooth Low Energy functionality is needed with a smaller footprint.
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