5pcs JDY-31 SPP-C Pass-through Wireless Bluetooth BLE Module Serial

5pcs JDY-31 SPP-C Pass-through Wireless Bluetooth BLE Module Serial Communication Compatible with CC2541 Welcome To My Shop : Budayakan Membaca Sebelum Membeli Barang Yang Anda Lihat Ini Barang PO (Pre-Order) Produk Import (Luar Negri) Pengiriman Super Cepat, Kebanyakan Barang Yang Kami Kirimkan 7-12 Hari Sudah Sampai Packing Aman dan Secure Produk Original Harap Chat Terlebih Dahulu Sebelum Order Untuk Ketersedian Barang DiGudang Import Happy Shopping ! Manual: Click here to open Applications: 1: Bluetooth printer2: Bluetooth POS machine3: intelligent home control4: Bluetooth wireless data transmission Features: Bluetooth V3.0 + EDRBluetooth Class 2Built-in PCB radio frequency antennaSupport UART interface3.3V power supplyOperating Frequency Band:2.4GHz -2.48GHz unlicensed ISM band Bluetooth Specification: V2.1+EDR Host Interface: UART Support Bluetooth SPP protocol, the transmission speed of up to dozens of K per second Package Included: 5 x JDY-31 SPP-C Pass-through Wireless bluetooth BLE SKU - 1569542