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DX-BT04-E / DX-BT08-E – Original Dual‑Mode Bluetooth Module (SPP 3.0 + BLE 4.2), Wireless Serial Port, High‑Speed Transparent Transmission
DX-BT04-E / DX-BT08-E SPP3.0+BLE4.2 Dual-mode Wifi Wireless Serial Port Module DX BT04 E Transmission Bluetooth-compatible Module
The supply voltage of 5V is recommended for needle arrangement with bottom plate