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2.4Ghz BK2461 UART Wireless Transparent Transmission Module (120M, 121 Channels)

M-BK2461U 2.4G RF Module is a low-power, high-bandwidth wireless UART module operating in 2.4GHz ISM band. It adopts Beken BK2461 chip and serial port design, U-UART interface and 121 multi-channels development-free, which can be widely used in daily life where wireless connection is required.
  • DreamLNK
  • M-BK2461U
  • 2.4G-2.5Ghz
  • BK2461
  • Adjustable
  • DC 2.5~3.6V
  • -90dBm
  • 120m
  • 23.3x13.7x1mm
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2.4G UART Wireless Module 


This M-BK2461U Wireless Module uses 2.4G serial port technology, which is characterized by development-free, 120m transmission range, switch-free between transmitting and receiving, transparent serial port communication with protocol provided, can greatly shorten your development circle. As long as you know serial communication, you can complete the development of wireless communication products without complex wireless communication knowledge. Each technical index of this 2.4Ghz UART Module is good, which can meet the parameters requirements of FCC application, and can also meet a variety of certification needs.


Applications

● Wireless toys, Wireless game handles

● Wireless audio and video transmission, wireless headset

● Child finder and tracker

● Medical devices and remote controls

● Logistics tracking, warehouse inspection, RFID, etc

● Consumer electronic wireless applications

● Low power remote sensing and telemetry

● Wireless sensor network applications


Features

● URAT serial port communication, with protocol provided;

● Integrated transceiver and receiver, half duplex communication, multi-channel, strong anti-jamming capability;

● Communication distance 120m;

● The working frequency can be set and multiple modules can be multiplexed without interference. 

● Communication protocol conversion, as well as radio frequency transceiver switching, canbe automatically completed by the module itself, 

   without human intervention, simple and easy to use. 

● The UART communication rate is 0.6kbps~38.4kbps, which can be configured by the user through the AT command


Download Center

M-BK2461U Specification V1.0 do


Parameters

Working

Frequency

2400-2500MHz

Transmission

Current

40mA Power Supply DC 2.5~3.6V

Modulation

Mode

FSK

Receiving

Current

20mA

Max. Output

Power

12dBm

Transmitting

Power

Adjustable

Standby

Current

<10uA

Operating

Temperature

-20~85°C

Receiving

Sensitivity

-90dBm

Antenna

Impedance

50Ω Dimension 23.3x13.7x1mm

Transmission

Rate

1M

Communication

Distance

120M Antenna

PCB On-board

Antenna


Pin Definitions

2.4g模块_08

Pin No Pin’s Name Description
1 VDD Positive power supply 2.2-3.6V, typical 3.3V
2 RXD Module Data Output TTL Level (Serial Data Receive)
3 TXD Module Data Output TTL Level (Serial Data Transmitting)
4 SET

Set pin,Parameters Configuration (low level configuration

parameter, high level transparent transmission mode)

5 CS

Chip Selection Pin, working modes enable (low level for low

power consumption, high level enters working mode)

6 GND Grounding, common ground with the system


Size

2.4g模块_07

DreamLNK is a professional high-tech enterprise specializing in ISM band micro-power wireless communication technology, can provide you various RF modules and one-stop intelligent IOT solution! Products include 433MHz RF modules, 2.4G RF modules, Bluetooth modules, Lora modules, Antennas, Remote control, Door/windows sensors, Smoke detectors, etc. welcome to inquire!

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