MK08 series is a powerful, highly flexible, ultra low power Bluetooth® 5.0 module based on world-leading Nordic® Semiconductor higher-end nRF52840 SoC solution, which has a 32-bit Arm® Cortex™-M4 CPU with the floating-point unit running at 64 MHz.nRF52840 Bluetooth Module
MK08 series is a powerful, highly flexible, ultra low power Bluetooth® 5.0 module based on world-leading Nordic® Semiconductor higher-end nRF52840 SoC solution, which has a 32-bit Arm® Cortex™-M4 CPU with the floating-point unit running at 64 MHz.
MK08A integrates a high-performance PCB antenna
MK08B uses a u.FL connector and requires an external antenna
Bluetooth® Low Energy
Bluetooth® Mesh
1M LE PHY
2M LE PHY
Coded LE PHY (Long Range)
Advertising Extensions
CSA #2
Concurrent central, observer, peripheral, and broadcaster roles with up to twenty concurrent connections along with one observer and one broadcaster
GFSK at 1 Mbps, 2 Mbps 250kbps (IEEE 802.15.4-2006) and Long range (125kbps and 500kbps) data rates
+8 dBm maximum
Configurable down to -40dBm
MK08A – PCB trace antenna
MK08B – External 2.4Ghz antenna
Length: 21mm±0.2mm
Width: 13.8mm±0.2mm
Height: 2.3mm+0.1mm/-0.15mm
34 Plated of half-holes pins + 22 LGA pads
ARM® Cortex®-M4 32-bit processor with FPU, 64MHz
1MB flash, 256kB RAM
4x SPI master/3x SPI slave with EasyDMA
2x I2C compatible two-wire master/slave
2x UART (CTS/RTS) with EasyDMA
3x real-time counter (RTC)
5x 32-bit timer with counter mode
4x 4-channel pulse width modulator (PWM) unit with EasyDMA
46 GPIOs
8x 12bit, 200ksps ADC
USB 2.0 full speed (12 Mbps) controller
1.7V to 5.5V
-40 to 85 °C(-40 to +105 °C can be customized)
32.768 kHz +/-20 ppm crystal oscillator
DC/DC regulator setup
| Item | Description | Version | Size | Last Update |
|---|---|---|---|---|
| Datasheet | MK08_Bluetooth_Module.pdf | 1.1 | 1.38MB | 06/08/2020 |
| Schematic - MK08A | MK08A.pdf | 1.0 | 87KB | 06/08/2020 |
| Schematic - MK08B | MK08B.pdf | 1.0 | 88KB | 06/08/2020 |
| Product List | MOKO_Bluetooth_Module_Family.pdf | 1.0 | 907KB | 06/08/2020 |
| Technical Drawings | MK08 Library | 1.0 | - | 20/01/2021 |
| Certification | MK08-CE | 1.0 | - | 20/01/2021 |
| Certification | MK08-FCC | 1.0 | - | 20/01/2021 |
| Certification | MK08-IC | 1.0 | - | 20/01/2021 |
| Certification | MK08-RCM | 1.0 | - | 20/01/2021 |
| Certification | MK08-TELEC | 1.0 | - | 20/01/2021 |
