World Universal 2.4G Bluetooth Tour Guide System 2400MHz-2483.5MHz
HEFEI YINGMI TECHNOLOGY. CO., LTD.
Price: negotiation · MOQ: 1pcs · Delivery Time: 3-7 days Name Value Working frequency: 860MHz-870MHz; Other frequency can be customize Channel quantity: 100CH; Modulation mode: GPSK; Working distance ·