MU-D1-R0 pages
Embedded low power radio modem
MU-D1-R
915 MHz
The MU-D1-R is a Direct Sequence Spread Spectrum transceiver that operates in the 900 MHz ISM band under FCC Part 15. Dedicated
commands, specially designed for wireless application, are provided for building a range of wireless systems, from simple control systems to
wide network systems. For receiving, a true diversity system is employed to achieve stable and reliable communication.
Features
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UART interface with simple command control
True diversity receiver
Direct Sequence Spread Spectrum
PN code length of 15
BPSK modulation/demodulation
MU-2 interface compatible
Power selectable 40 mW / 8 mW
Robust metal housing for industrial use
FCC Part 15.247 compliant
Applications
・ Telemetry - Environment monitoring, Meter reading,
Various measuring applications
・ Telecontrol - Remote control for industrial equipment
・ Security
- Various alarm and monitoring systems
General
Parameter
Specification
Standard
FCC Part 15.247
RF output power
40 mW / 8 mW
Selectable by the command
Radio communication speed
600 kbps
40 kbps x 15 chips
Frequency range
902.5 to 927.50 MHz
Number of channels
20
Operating temperature
-20 to + 65
Operating voltage
4.0 to 5.5 V
Consumption current
TX: 130 mA RX: 58 mA @ 5V
40 mW RF out
TX: 55 mA RX: 58 mA @ 5V
8 mW RF out
External dimensions
36 x 26 x 8 mm
Not including antenna
Weight
13 g
Modulation
BPSK
Remark
Reference data
* Range: About 300 m (Conditions: One-way, no error correction, 25°C, line of sight distance, antenna height of 1.5 m, vertical antenna)
Serial interface
Parameter
Specification
Communication method
Serial communication (RS232C format)
Synchronization
Asynchronous / UART
Data speed
19200 / 38400 / 57600 bps
Flow control
RTS / CTS hardware flow control
Parameter
Data length: 8 bit / Parity: (No, Odd, Even) / Stop bit: 1 or 2
Specifications are subject to change without prior notice
www.circuitdesign.jp
MU-D1-R ver1.0 Oct. 2012
Sales Division
7557-1 Hotaka, Azumino, Nagano 399-8303, Japan
Tel:+81-(0)263-82-1024
Fax:+81-(0)263-82-1016