SeeedStudio Grove BLE (dual model)


In stock

SKU: 1147642
  1. BT Version Bluetooth Specification V4.0 BLE
  2. Supply Power 3.3v – 5v
  3. Working frequency 2.4GHz ISM band
  4. Modulation method GFSK(Gaussian Frequency Shift Keying)
  5. Speed Asynchronous: 6K Bytes, Synchronous: 6K Bytes
  6. Size 40cm x 20cm



(inc GST)

₹ 1863.56 (+18% GST extra)

In stock

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Category: Bluetooth and NRF Modules

Grove – Blueseeed LE – Dual model (HM13) 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.

Getting Started with SeeedStudio Grove BLE (dual model)


  1. K2: During connected status, it could be disconnected by pressing the K2 button for more than 100ms. During sleep mode, it could be restored by pressing the K2 (factory settings) button.
  2. U1: U1 is the wireless module, it includes an automatic power-on reset circuit.
  3. D1: The LED works in two modes: Sleeping is indicated by flashing slowly and Connected status is indicated by continuous illumination.
  4. J1: The standard Grove connector.


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

Package Includes :

1 x SeeedStudio Grove BLE (dual model)

SKU: 1147642 Category:
Operating Voltage(V)

+3.3/+5.0VDC 50mA

Version Bluetooth

V4.0 BLE

Working frequency

2.4GHz ISM band

Modulation method

GFSK(Gaussian Frequency Shift Keying)

RF Power

-23dbm, -6dbm, 0dbm, 6dbm, can modify through AT Command AT+POWE

Speed Asynchronous

6K Bytes, Synchronous: 6K Bytes


≤-84dBm at 0.1% BER

Service Central & Peripheral


Working Temperature Range (°C)

–5 ~ +65 Centigrade

Working Current

< 10 mA

Sourcing Current

< 20 mA

Sleeping Current

< 1 mA

Shipment Weight

0.017 kg

Shipment Dimensions

9 × 7 × 2 cm

6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Reimbursement or replacement will be done against manufacturing defects.

What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China