Ebyte E104-BT40-TB ble4.2 ble module 2.4g wireless transceiver module serial to dual-mode ble usb test board
[Interface]：USB
[Operating temperature]：-40~+85°C
[Introduction]：E104-BT40-TB backplane adopts USB interface, which can quickly test the E104-BT40 ble related features and functions.
