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

Hardware Datasheet

【User Manual】RF-BM-ND04A Hardware Datasheet

Module Protocol

【User Manual】nRF52811 Slave Module and Protocol

Tags: nRF52811 BLE5.1 Nordic