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BLE (dual mode) Bee

by Seeed
SKU 1736
Sold out
£19.79 inc VAT
£16.49 ex VAT

RETIRED PRODUCT - We've stopped stocking this product or it has been retired by the manufacturer and is no longer for sale. This page remains available for its resources and as a source of potential interest.

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


  • 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: +3.3VDC 50mA
  • Long range: SPP 30 meters, BLE 60 metersPower: SPP 13.5mA, BLE 9.5mA
  • Working temperature:€“5 ~ +65 Centigrade

Board specifications:


  • U1:U1 is the wireless module,It includes automatic power on and reset.
  • D3:The led displays two working modes: sleep - slowly flashing and connected - continuously lit.
  • JP1&JP3:The standard Bee connector.