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RF-BM-ND04A

RF-BM-ND04A

RF-BM-ND04A is an RF module based on Nordic BLE SoC nRF52811QFAA with ARM® Cortex®-M4 32-bit processor. It integrates a 32.768 kHz and a 32 MHz crystal, an LC filter, an antenna matching and a meander line inverted-F PCB antenna. It features low power consumption, small size, robust connection distance, and rigid reliability.

  • Chip： nRF52811QFAA
  • Protocols： BT 5.1
  • Core： ARM® Cortex®-M4 32-bit processor
  • Key Features： Fully automatic LDO and DC/DC regulator system
  • TX Power： +4 dBm
  • Distance： 400 m (Long Range)
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Long distance 2.4GHz BLE 5.1 Direction Finding and Thread module Nordic nRF52811

RF-BM-ND04A is an RF module based on Nordic BLE SoC nRF52811QFAA with ARM® Cortex®-M4 32-bit processor. It integrates a 32.768 kHz and a 32 MHz crystal, an LC filter, an antenna matching 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 v5.1 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. RF-BM-ND04A is pin-to-pin compatible with RF-BM-ND08.


Long distance 2.4GHz BLE 5.2 Low Energy BLE Direction Finding and Thread module nRF52811

 

Parameters of RF-BM-ND04A

Chipset

nRF52811QFAA

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

-97 dBm

GPIO

29

Crystal

32 MHz, 32.768 kHz

RAM

24 KB

Flash

192 KB

Package

SMT Packaging

Frequency Error

±20 kHz

Dimension

24.8 mm x 15.0 mm x (2.3 ± 0.1) mm

Type of Antenna

PCB antenna, half-hole interface

Operating Temperature

-40 ℃～ +85 ℃

Storage Temperature

-40 ℃～ +125 ℃



 

 

Long distance 2.4GHz BLE 5.2 Low Energy BLE Direction Finding and Thread module nRF52811

BLE Application

Long distance 2.4GHz BLE 5.2 Low Energy BLE Direction Finding and Thread module nRF52811 

Development Kit

Long distance 2.4GHz BLE 5.2 Low Energy BLE Direction Finding and Thread module nRF52811


Recommended Footprint


Pin Attributes

Pin Functions of RF-BM-ND04A

Pin

Name

Chip Pin

Pin Type

Description

1

GND

GND

GND

GND

2

VCC

VCC

Power

Power supply 1.7 V ~ 3.6 V, Recommend 3.3 V

3

P21 / RST

P0_21 / RESET

I/O

Reset, active low.

4

P22

P0_22

I/O


5

P23

P0_23

I/O


6

P24

P0_24

I/O


7

P25

P0_25

I/O


8

P28

P0_28 / AIN4

I/O


9

P29

P0_29 / AIN5

I/O


10

P30

P0_30 / AIN6

I/O


11

P26

P0_26

I/O


12

P27

P0_27

I/O


13

P02

P0_2 / AIN0

I/O


14

P03

P0_3 / AIN1

I/O


15

P04

P0_4 / AIN2

I/O


16

P05

P0_5 / AIN3

I/O


17

P06

P0_6

I/O


18

P07

P0_7

I/O


19

P08

P0_8

I/O


20

P09

P0_9

I/O


21

P10

P0_10

I/O


22

P11

P0_11

I/O


23

P12

P0_12

I/O


24

P13

P0_13

I/O


25

P14

P0_14

I/O


26

P15

P0_15

I/O


27

P16

P0_16

I/O


28

SWDIO

JTAG SWD

I/O

Serial wire debug I/O for debug and programming

29

SWCLK

JTAG CLK

I/O

Serial wire debug clock input for debug and programming

30

P17

P0_17

I/O


31

P18

P0_18

I/O


32

P19

P0_19

I/O


33

P20

P0_20

I/O




Module Protocol
Tags: nRF52811 BLE5.1 Nordic
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