Ximimark 2Pcs BLE Bluetooth 4.0 Module CC2540 CC2541 Serial Wireless Module iBeacon for Arduino iOS Android

Specifications: Low standby power consumption: 90uA~400uA Extra long connection distance: 100 feet / 60 meters Ultra fast reaction speed: 0.4 seconds Power input: 3.6V-6V DC(Can not higher than 6V) Built in PCB antenna Send and receive no byte limit, up to 3K Bytes/sec Size: 43 x 15mm/1.69x0.59inch Note: Manual measurement, with small error. Please check size in detail before purchase. Real colors may slightly differ from the pictures, as it depends on specific monitor settings and light brightness. We highly appreciate all customers opinions to improve the selling, also if anything you unsatisfied, please contact us for probable best solution. Package Includes:2Pcs