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UART interface with simple command protocol embedded radio modem MU-4-434 – Circuit Design Inc.

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434 MHz embedded radio modem for wireless application

The MU-4-434 is an embedded radio modem that operates in the 434 MHz ISM band.

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Wireless Applications

This product provides dedicated commands specifically designed for wireless applications. These commands allow users to construct a variety of wireless systems, from simple control systems to expansive network systems. With these commands, users can focus on designing the application without having to be aware of the radio protocol and control aspects.

Forward Error Correction (FEC)

Reed-Solomon coding is employed for forward error correction (FEC) to ensure data integrity and to provide highly dependable wireless communication.

Applicable standard

RED compliant (EN 300 220)

UK Radio Equipment Regulations 2017
CE marking and UKCA marking acquired
Communication method
Half-duplex, one-way, broadcast
Oscillation system
PLL synthesizer system
Emission type
F1D
Binary FSK
Frequency
433.200 to 434.775 MHz
Number of channels
127 channels
12.5 kHz step
RF bit rate
4,800 bps
RF output power
10 mW / 1 mW
Nominal, Contact (50 Ω)
Receiver sensitivity
-113 dBm
Transparent mode, BER 0.1%
Error correction system
Reed-Solomon code
RS (255, 247)
Supply voltage
3.0 to 5.0 V DC
Absolute maximum rated voltage 5.5 V
Supply current

Transmitting: 42 mA

Receiving: 22 mA
10 mW at 3V

Transmitting: 26 mA

Receiving: 22mA
1 mW at 3V
Operating temperature range
-20 to + 65℃
The operation distance varies with the temperature conditions.
Dimensions
36 x 26 x 8 mm
Not including the antenna.
Weight
14.5 g

Product Usage

Telemetry – Environment monitoring, Meter reading, Various measuring applications

Telecontrol – Remote control for industrial equipment
Security – Various alarm and monitoring systems
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Circuit Design, Inc.
Circuit Design, Inc.

Reliability and competitiveness

Circuit Design is a leading design and manufacturing company of low power radio products. Circuit Design designs and supplies low power narrow-band standard radio modules for short-range applications. Our RF modules are designed to serve customers in fields such as Telecommand and Telecontrol, Telemetry, and in the Alarm market where high reliability is required for industrial applications. Circuit Design’s quality system is certified by ISO9001.　Circuit Design’s corporate objective is to enhance customer reliability and competitiveness in their radio link applications by providing the necessary narrow band products.

Address
7557-1, Hotaka, Azumino-city, Nagano, 399-8303, Japan

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Circuit Design, Inc.

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Supplier Information

  • Store Name: Circuit Design, Inc.
  • Vendor: Circuit Design, Inc.
  • Address: 399-8303
    Nagano Azumino 7557-1
    Hotaka

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