Bluetooth protocol: Bluetooth Specification V4.0 BLE,Send and receive no byte limit, Have a longer distances than traditional bluetooth communication;
BQB：ROHS REACH.
Operating frequency: 2.4GHz ISM band;
Modulation system: GFSK(Gaussian Frequency Shift Keying);
It performance can be a direct replacement HC-05, HC-06 and CC2541. BT12=HC06+cc2541

Technical Details

Product Details

Package Dimensions
Width : 3.94 inch
Height : 1.97 inch
Length : 3.94 inch

Shipping Weight: 1.76 ounce (View shipping rates and policies)

ASIN : B077XCXK7B