It provides OEMs with the maximum design flexibility and performance. Complete regulatory certifications enable faster time to market and reduced development risk completes Laird’s simplification of your next Bluetooth design!OTA firmware updates are not available for the BL65x modules. But it is not possible to do 2 incoming, as peripheral can only 1 incoming, per the BLE spec.The 451-00004 is the Nordic/Zephry variant of the BL654 Dongle It was intended for developers who prefer working with Nordic SDK or Zephyr Project, or those who may already have an application developed on one of these platforms.Please note: the BL654 dongle comes in two variants, smartBASIC variant (451-00003) and Nordic/Zephyr variant (451-00004). v28.9.6.0) updates can only be done over JTAG or UART. Powered by Nordic’s nRF52840 silicon, the small form factor BL654 modules, DVKs and USB Dongle provide for a secure, robust BLE and Cortex -M4F CPU for any OEM’s product design. The embedded 2.4GHz transceiver supports Bluetooth ® 5 / Bluetooth Low Energy (BLE), 802.15.4 / Thread, ANT/ANT+, and proprietary 2.4GHz protocols. Powered by Nordic’s nRF52840 silicon, the small form factor provides for a secure, robust BLE and Cortex -M4F CPU for any OEM’s product design. Residuals under the module cannot be easily removed with any cleaning process.No. If electing to work with the smartBASIC firmware and example applications available on the GitHub repository it will be necessary to purchase the 451-00003 smartBASIC variant, as smartBASIC applications cannot be loaded to the 451-00004 Nordic/Zephyr variant.The NFC capability of the BL652 is NFC-A Listen Mode, Type 2. nRF52840-DK Nordic Semiconductor Bluetooth / 802.15.1 Development Tools Dev kit for NRF52840 Bluetooth 5 datasheet, inventory & pricing. Find the best pricing for Nordic Semiconductor NRF52840-DONGLE by comparing bulk discounts from 10 distributors. NRF52840-DONGLE – - Transceiver; Bluetooth® 5 For Use With nRF52840 from Nordic Semiconductor ASA. Minor nitpick: The PS_v1.0 datasheet says that "see the Reference Layout section on the Downloads tab for nRF52840 on..." There is no Reference Layout section on the Downloads tab. nRF52840 Development Kit Nordic Semiconductor nRF52840 Development Kit (nRF52840-DK) is a versatile, single-board development tool for Bluetooth® 5 / Bluetooth Low Energy (BLE), 802.15.4 / Thread, ANT/ANT+, and proprietary 2.4GHz applications using the nRF52840 Multi-Protocol SoC (system on chip). You can find information about the memory map in the nRF5xxxx Product Specification under the Memory and NVMC sections.The BL654 series brings out all nRF52840 hardware features and capabilities including USB access, up to 5.5V supply considerations, and 802.15.4 (Thread) implementation. We recommend referencing:Actually the extended range is achieved with slower transmission bit rate which let the radio emissions can be correctly received at a longer range. Therefore, if parity setting is required, the module will have to be programmed using the Nordic SDK and the Nordic examples instead of Laird's smartBASIC examples.FlexPIFA antenna for metal mounting with minimal detuning. Order today, ships today. 2.4 GHz and dual-band 2.4/5.5 GHz.In general, cleaning the populated modules is strongly discouraged.