cheap ble 4.2 nordic nrf52810 module for nrf52810 wristband vibrationrf-bm-nd08c is an rf module based on nordic ble soc nrf52810qfaa. it integrates a 32.768 khz and a 40 mhz crystal, an lc balun, an

  • transmit power: 4.0 dbm
  • core programme: nrf52810
  • bluetooth version: bt 5.0

cheap ble 4.2 nordic nrf52810 module for nrf52810 wristband vibration

rf-bm-nd08c is an rf module based on nordic ble soc nrf52810qfaa. it integrates a 32.768 khz and a 40 mhz crystal, an lc balun, an rf matching filter, and a meander line inverted-f pcb antenna. it features low power consumption, small size, robust connection distance, and rigid reliability. it supports ble stack v5.0 and can be preprogrammed with a serial interface communication protocol for simple programming. 1.27-mm pitch stamp stick package for easy assembling and cost-effective pcb design.

parameters of rf-bm-nd08

chipset

nrf52810qfaa

supply power voltage

1.7 v ~ 3.6 v, recommended to 3.3 v

frequency

2402 mhz ~ 2480 mhz

transmit power

-20.0 dbm ~ 4.0 dbm (typical: 0 dbm)

receiving sensitivity

-96 dbm

gpio

16

crystal

32 mhz, 32.768 khz

ram

64 kb

flash

512 kb

package

smt packaging

frequency error

±20 khz

dimension

15.2 mm x 11.2 mm x (0 ± 0.1) mm

type of antenna

pcb antenna

operating temperature

-40  ~  85 

storage temperature

-40  ~  125 

table 1. the pin diagram of rf-bm-nd08c

pin

name

function

note

1

ant


2

gnd

ground

ground

3

vcc

vcc

power supply: 1.7 v ~ 3.6 v, recommend to 3.3 v

4

p25


5

p17

i/o


6

p21/rst

reset pin, active low.

7

p13

i/o


8

p28

i/o


9

p27

i/o


10

p26

i/o


11

p09

i/o


12

p10

i/o


13

p19

i/o


14

p20

i/o


15

p05

i/o


16

p07

i/o


17

p06

i/o


18

p08

i/o


19

p03

i/o


 

 
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