RF-DG-40A is a Nordic nRF52840 USB dongle as a wireless hardware device together to connect with nRF Connect for Desktop or the Wireshark. The Bluetooth Zigbee dongle supports programming the device and communicating via a USB port. Order the nRF52840 dongle to help you develop your end products.
RF-DG-32B is RF-star Bluetooth USB dongle with a small size developed for BLE data capture. Order the nRF52832 Dongle Sniffer to start a quick analysis of the BLE broadcast data.