Grove - BLE (dual model) v1.0 uses CSR dual mode Bluetooth chip,with the ARM architecture single chip which supports AT instructions, Users can develop flexibly according to the serial baud rate, equipment name, pairing password.

Features:

BT Version: Bluetooth Specification V4.0 & BLE
UART send and receive max bytes is 512
Other device to module in SPP mode: 90 Bytes per packet
Other device to module in BLE mode: 20 Bytes per packet
Two data transmission mode, balance mode and high speed mode
Working frequency: 2.4GHz ISM band
Modulation method: GFSK(Gaussian Frequency Shift Keying)
RF Power: -23dbm, -6dbm, 0dbm, 6dbm.
Speed: Asynchronous: 3K Bytes
Synchronous: 3K Bytes
Security: Authentication and encryption
Service: Slave SPP, Peripheral BLE, UUID FFE0,FFE1
Power: +3.3/+5.0VDC 50mA
Long range: SPP 30 meters, BLE 60 meters
Power: SPP 13.5mA, BLE 9.5mA
Working temperature:–5 ~ +65 Centigrade

Specification:

K2:During connected status,It would be disconnected by pressing K2 more than 100ms.During sleeping model,It could be restored through pressing K2 factory settings.

U1:U1 is the wireless module,It includes automatic power on reset circuit.

D1:The led display two work models: sleeping whit It slowly flashing;connected status whit It continuously lighting.

J1:The standard Grove connector.

Documents:

Please visit wiki page for more info about this product.