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Keyestudio HM-10 Bluetooth V4.0 Board for Arduino - Black + Blue
1. Bluetooth protocol: Bluetooth Specification V4.0 BLE 2. No byte limit in serial port transceiving 3. In open environment£¬ realize 100m ultra-distance communication with iphone4s 4. USB protocol: USB V2.0 5. Working frequency: 2.4GHz ISM band 6. Modulation method: GFSK(Gaussian Frequency Shift Keying) 7. Transmission power: -23dbm£¬ -6dbm£¬ 0dbm£¬ 6dbm£¬ can be modified by AT command. 8. Sensitivity: -84dBm at 0.1% BER 9. Transmission rate: Asynchronous: 6K bytes Synchronous: 6k Bytes 10. Security feature: Authentication and encryption 11. Supporting service: Central & Peripheral UUID FFE0£¬ FFE1 12. Power consumption: Auto sleep mode£¬ stand by current 400uA~800uA£¬ 8.5mA during transmission. 13. Power supply: 5V DC 14. Working temperature: 5 ~ +65 Centigrade