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Catalogue
Datasheet brochure
Accessory list

Data Sheets | Operation Guides

Data Transmitters and Receivers

Products			Datasheet	Operation Guide
CDP-TX-02E CDP-RX-02E CDP-TX-02EP CDP-RX-02EP		434 MHz		TX
				RX S/N A000xxxx S/N B000xxxx
				RX S/N A001xxxx S/N B001xxxx
CDP-TX-02F CDP-RX-02F		434 MHz		TX
				RX S/N C000xxxx
				RX S/N C001xxxx
CDP-TX-07M CDP-RX-07M		434 MHz		TX RX
		869 MHz		TX RX
Test board for CDP-TX/RX-02E, CDP-TX/RX-02F
ECB-03 DCB-03
Test board for CDP-TX/RX-05M-R, CDP-TX/RX-05M-R, CDP-TX-07M/MP, CDP-RX-07M/MP
TB-CDP-TX-04S TB-CDP-RX-03AS

Data Transceivers

Products			Datasheet	Operation Guide
LMD-401		458 - 462.5 MHz
STD-302Z		419 MHz
		429 MHz
		434 MHz		S/N 00000001~
				S/N 02000001~
		447 MHz
		458 MHz
		869 MHz
STD-502-R		2.4 GHz
STD-503		2.4 GHz
STD-601		434 MHz
		400 MHz
Test Board for LMD-401, STD-302Z
TB-STD302
Test Board for STD-502-R
TB-STD502
Test Board for STD-503
TB-STD503
Test Board for STD-601
TB-STD601
		STD-601 and Arduino Setting program
		Arduino USB driver
		Get the source code for the sample Arduino program by email		Click here
Adaptor Board for STD-601
ADP-A-STD601 ADP-B-STD601

Radio modems

Products			Datasheet	Operation Guide
MU-4-434		434 MHz
		429 MHz
SLR-434M		434 MHz
		429 MHz
				Serial Communication
				Command input and response timing
Test Board for MU-4-434
MU4-RS2IF		434 MHz
			MU-2-R Evaluation Software Program Manual
			Evaluation software* for MU-4-434 and driver
MU4-USBIF
			MU-2-R Evaluation Software Program Manual
			Evaluation software* for MU-4-434 and driver
Test Board for the SLR-434M
TB-SLR-RS2		434 MHz	Test Board for SLR-434M
			Evaluation Program Manual
			SLR-434M Evaluation Software

* The evaluation software for MU-2-R can be used to evaluate the MU-4-434

Telecommand

Products			Datasheet	Operation Guide
CDT-TX-02M CDT-RX-03M		434 MHz		CDT-TX-02M CDT-RX-03M
		426 MHz
NK-2.4Y		2.4 GHz
KST2.4S/KSR2.4		2.4 GHz		KST2.4S KSR2.4
Test Board for CDT-TX-02M , CDT-RX-03M
TB-CDT-TX-01 TB-CDT-RX-01
Test Board for NK-2.4Y
TB-NK2.4Y_IN TB-NK2.4Y_OUT

Audio modules

Products			Datasheet	Operation Guide
WA-TX-03S WA-RX-03S		863 MHz
Test Board for WA-TX-03S , WA-RX-03S
WA-TBT-03S WA-TBR-03S

Power Amplifier

Products			Datasheet	Operation Guide
PA-TR3-400M, PA-TR3-800M		400 MHz 800 MHz		PA-TR3-400M PA-TR3-800M

Application Notes

Title	Related products	Application Note
Design guide for RF transmitter and receiver	CDP-02E series CDP-02F series
Notes for radio module control using a CPU	STD-302Z LMD-401
Data demodulation in CDP-RX-03AS	CDP-RX-03BS-R
STD-302 Interface Method	STD-302Z
PLL auto calculation sheet	STD-302Z LMD-401
Data transceiver for use in the USA under FCC Part 90 License (LMD-401 458–462.5 MHz)	LMD-401
ETSI Compliance of STD-601 400 MHz	STD-601 400 MHz
ARIB Standard Compliance of STD-601 400 MHz	STD-601 400 MHz
Wireless audio module wiring example	WA-TX-03S WA-RX-03S
Enhancing reception with the WA-TX-03S and WA-RX-03S audio modules	WA-TX-03S WA-RX-03S
How to use relay function for MU-2-R and MU-4 module.	MU-4-434
Installing the USB driver on Windows 8 and 10 (MU4-USB)	MU-4-434
How to reprogram the preset frequencies of the CDP-TX-07MP/CDP-RX-07MP 434 MHz	CDP-TX-07MP CDP-RX-07MP
How to reprogram the preset frequencies of the CDP-TX-07MP/CDP-RX-07MP 869 MHz	CDP-TX-07MP CDP-RX-07MP
Operating the MU-4 in transparent mode	MU-4-434
Antenna adjustment and installation procedure	ANT-400-SFW ANT-2G4W1R-R ANT-2400SFW

Supplementary Notes

Title	Related products	Supplementary Notes
Differences between CDT-TX-02M / CDT-TX-02M-R, CDT-RX-03M 434 MHz and CDT-TX-02M / CDT-TX-03M, CDT-RX-03M 426 MHz	CDT-TX-02M CDT-RX-03M
Differences between SLR-434M (434 MHz) and SLR-429M (429 MHz)	SLR-434M
Differences between MU-4-434 (434 MHz) and MU-4-429 (429 MHz)	MU-4-434

Technical Literature

Electric field intensity at the receiving point < Fresnel zone and height pattern >

Difference between Wide band and Narrow band Radio Module
Feature of Circuit Design narrow band modules
RF module for sending audio signal in European 863-865 MHz band
UART Interface board
Narrowband FM transceiver STD-302
FM narrowband transmitters & receivers
Building a sensor network in a factory
Natural disaster monitoring and warning system using SRD
The Communication Range of 10 mW Low Power Radio (Is the communication range of the MU-2 6500 m?)
Error Correction in the MU-2-R and MU-4-434 Modem (The Effect of the Reed-Solomon Code)
Advanced FHSS technology used for Circuit Design's 2.4 GHz embedded telecommand module NK-2.4Y
Hamming Distance and Circuit Design NK-2.4Y module How does a Hamming Distance of 6 improve communication reliability?
Receiver category 1

Discontinued Models

The following list contains operation guides for discontinued products.

Data Transmitters and Receivers

Model name	Operation guide	PCN	PDN Issued
CDP-TX-02FP-R 434 MHz CDP-RX-02FP-R 434 MHz	ver.3.0	Feb. 2016	Sep. 2019
		Feb. 2016
		Oct. 2013
CDP-TX-02E-R 457 MHz CDP-RX-02E-R 457 MHz	ver.1.2		Jan. 2017
CDP-TX-02F-R 434 MHz CDP-RX-02F-R 434 MHz	ver. 3.0	Jan. 2020	*
		Sept. 2019
CDP-TX-02E/EP-R 434 MHz CDP-RX-02E/EP-R 434 MHz	ver. 3.0	Jan. 2020	*
		Sept. 2019
CDP-TX-02E/EP-R 458 MHz CDP-RX-02E/EP-R 458 MHz	ver.1.2		Oct. 2013
CDP-RX-03BS-R	ver.1.4		Jun. 2018
CDP-TX-05M-R 434 MHz CDP-RX-05M-R 434 MHz	ver.4.2		Jan. 2017
			Apr. 2019
CDP-TX-05MP-R 434 MHz	ver.1.0		Jan. 2017
CDP-TX-05M-R 426 MHz CDP-RX-05M-R 426 MHz	ver.1.2
CDP-TX-05M-R 869 MHz CDP-RX-05M-R 869 MHz	ver.4.2	Nov. 2021	Dec. 2021
			Dec. 2021
CDP-TX-05M-R 915 MHz CDP-RX-05M-R 915 MHz	ver.1.2		Dec. 2021

Data Transceivers

Model name	Operation guide	PCN	PDN Issued
LMD-400-R 458 - 462 MHz	ver.1.0		Jan. 2018
LMD-400-R 438 - 442 MHz	ver.1.0		Jan. 2018
LMD-400-R 458 - 462.5 MHz	ver.1.4
STD-302S 419 MHz	ver.1.1	Dec. 2018	*
STD-302S 429 MHz	ver.1.2	Dec. 2018	*
STD-302S 434 MHz	ver.2.0	Dec. 2017	*
		Oct. 2015
STD-302S 447 MHz	ver.1.1	Dec. 2018	*
STD-302S 458 MHz	ver1.1	May 2018	*
		Dec. 2016
STD-302S 869 MHz	ver.2.0	May 2019	*
STD-302N-R 335 MHz	ver.1.0

* Please refer to PCN

Radio modems

Model name	Operation guide	PCN	PDN Issued
MU-1-R 434 MHz	ver.1.4		Mar. 2016
MU-D1-R 915 MHz	ver.1.0		Aug. 2017
MU-2-R 434 MHz	ver.4.0	Nov. 2016	Apr. 2020

Telecommand

Model name	Operation guide	PCN	PDN Issued
CDT-RX-02M-R 434 MHz	ver.2.0		Jul. 2019

Audio modules

Model name	Operation guide	PCN	PDN Issued
WA-TX-01-R WA-RX-01A-R	ver.1.0		Oct. 2013
WA-TX-03-R WA-RX-03-R	ver.1.6		Feb. 2017

Certifications

DoC (Declaration of conformity) for CE and UKCA	CE	UKCA
CDP-TX-02E, CDP-TX-02EP 434 MHz, CDP-TX-02F 434 MHz
CDP-RX-02E, CDP-RX-02EP 434 MHz, CDP-RX-02F 434 MHz	S/N A000xxxx S/N B000xxxx S/N C000xxxx	S/N A000xxxx S/N B000xxxx S/N C000xxxx
	S/N A001xxxx S/N B001xxxx S/N C001xxxx	S/N A001xxxx S/N B001xxxx S/N C001xxxx
CDP-TX-07M / MP 434 MHz
CDP-RX-07M / MP 434 MHz	S/N ~A00020000 S/N ~B00020000	S/N ~A00020000 S/N ~B00020000
	S/N A00020001~ S/N B00020001~	S/N A00020001~ S/N B00020001~
CDP-TX-07M/MP 869 MHz, CDP-RX-07M/MP 869 MHz
CDT-TX-02M		-
CDT-RX-03M
MU-4-434
NK-2.4Y
SLR-434M
STD-302Z 434 MHz	S/N 00000001~	S/N 00000001~
	S/N 02000001~	S/N 02000001~
STD-302Z 869 MHz
STD-502-R
STD-503
STD-601 434MHz
WA-TX-03S , WA-RX-03S
FCC
LMD-401
STD-502-R
STD-503
NK-2.4Y
ISED
LMD-401
STD-502-R
STD-503
NK-2.4Y