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CDP-TX-02E/EP, CDP-RX-02E/EP
- What are the differences between the CDP-TX/RX-02E and CDP-TX/RX-02EP?
- What are the differences between the CDP-TX/RX-02E and CDP-TX/RX-02F?
- What is transparent interface?
- What does 'Category 1 receiver' mean?
- What is RSSI? And how to use it?
- What is 12dB SINAD?
- Signals similar to data seem to come out of the Data Out (DO) terminal, even when no signal is received. Why is this?
- Is it effective to use AF OUT output as a method for extending the communication range?
- What is the difference between DO and AF signal?
- What are the frequencies of the intermediate frequency (IF) stages in the CDP-RX-02E/EP, CDP-RX-02F, CDP-RX-07M/MP, CDP-RX-05M-R?
- Can I connect Circuit Design modules to Arduino or Raspberry Pi?
- I want to put the RF module in my enclosure? What do I need to be careful of?
- There is a problem with communication range. What is the problem? What should be checked?
- How should the antenna be handled?
- I need help in selecting a CPU to control my module?
- Can Circuit Design module communicate with a tablet?
- I'd like to use my own antenna on your module. Where can I find the suitable connector (e.g. SP06022)?
CDP-TX-02F, CDP-RX-02F
- What are the differences between the CDP-TX/RX-02E and CDP-TX/RX-02F?
- What is transparent interface?
- What does 'Category 1 receiver' mean?
- What is RSSI? And how to use it?
- What is 12dB SINAD?
- Signals similar to data seem to come out of the Data Out (DO) terminal, even when no signal is received. Why is this?
- Is it effective to use AF OUT output as a method for extending the communication range?
- What is the difference between DO and AF signal?
- What are the frequencies of the intermediate frequency (IF) stages in the CDP-RX-02E/EP, CDP-RX-02F, CDP-RX-07M/MP, CDP-RX-05M-R?
- Can I connect Circuit Design modules to Arduino or Raspberry Pi?
- I want to put the RF module in my enclosure? What do I need to be careful of?
- There is a problem with communication range. What is the problem? What should be checked?
- How should the antenna be handled?
- I need help in selecting a CPU to control my module?
- Can Circuit Design module communicate with a tablet?
- I'd like to use my own antenna on your module. Where can I find the suitable connector (e.g. SP06022)?
CDP-TX-07M/MP, CDP-RX-07M/MP
- What is difference between M and MP?
- What is transparent interface?
- What does 'Category 1 receiver' mean?
- What is RSSI? And how to use it?
- What is 12dB SINAD?
- Signals similar to data seem to come out of the Data Out (DO) terminal, even when no signal is received. Why is this?
- Is it effective to use AF OUT output as a method for extending the communication range?
- What is the difference between DO and AF signal?
- What are the frequencies of the intermediate frequency (IF) stages in the CDP-RX-02E/EP, CDP-RX-02F, CDP-RX-07M/MP, CDP-RX-05M-R?
- Can I connect Circuit Design modules to Arduino or Raspberry Pi?
- I want to put the RF module in my enclosure? What do I need to be careful of?
- There is a problem with communication range. What is the problem? What should be checked?
- How should the antenna be handled?
- I need help in selecting a CPU to control my module?
- Can Circuit Design module communicate with a tablet?
- I'd like to use my own antenna on your module. Where can I find the suitable connector (e.g. SP06022)?
CDP-TX-05M-R, CDP-RX-05M-R
- What is transparent interface?
- What is RSSI? And how to use it?
- What is 12dB SINAD?
- Signals similar to data seem to come out of the Data Out (DO) terminal, even when no signal is received. Why is this?
- Is it effective to use AF OUT output as a method for extending the communication range?
- What is the difference between DO and AF signal?
- What are the frequencies of the intermediate frequency (IF) stages in the CDP-RX-02E/EP, CDP-RX-02F, CDP-RX-07M/MP, CDP-RX-05M-R?
- Can I connect Circuit Design modules to Arduino or Raspberry Pi?
- I want to put the RF module in my enclosure? What do I need to be careful of?
- There is a problem with communication range. What is the problem? What should be checked?
- How should the antenna be handled?
- I need help in selecting a CPU to control my module?
- Can Circuit Design module communicate with a tablet?
- I'd like to use my own antenna on your module. Where can I find the suitable connector (e.g. SP06022)?
LMD-401
- For STD-302Z and LMD-401, why should continuous Hi or Low input data be within 20 ms?
- How do I control the PLL on the STD-302Z / LMD-401?
- What is transparent interface?
- What is RSSI? And how to use it?
- What is 12dB SINAD?
- Signals similar to data seem to come out of the Data Out (DO) terminal, even when no signal is received. Why is this?
- Is it effective to use AF OUT output as a method for extending the communication range?
- What is the difference between DO and AF signal?
- Can I connect Circuit Design modules to Arduino or Raspberry Pi?
- I want to put the RF module in my enclosure? What do I need to be careful of?
- There is a problem with communication range. What is the problem? What should be checked?
- How should the antenna be handled?
- I need help in selecting a CPU to control my module?
- Can Circuit Design module communicate with a tablet?
- I'd like to use my own antenna on your module. Where can I find the suitable connector (e.g. SP06022)?
STD-302Z
- For STD-302Z and LMD-401, why should continuous Hi or Low input data be within 20 ms?
- How do I control the PLL on the STD-302Z / LMD-401?
- What is transparent interface?
- What does 'Category 1 receiver' mean?
- Is communication between the MU-4 and STD-302Z possible?
- What is RSSI? And how to use it?
- What is 12dB SINAD?
- Signals similar to data seem to come out of the Data Out (DO) terminal, even when no signal is received. Why is this?
- Is it effective to use AF OUT output as a method for extending the communication range?
- What is the difference between DO and AF signal?
- Can I connect Circuit Design modules to Arduino or Raspberry Pi?
- I want to put the RF module in my enclosure? What do I need to be careful of?
- There is a problem with communication range. What is the problem? What should be checked?
- How should the antenna be handled?
- I need help in selecting a CPU to control my module?
- Can Circuit Design module communicate with a tablet?
- I'd like to use my own antenna on your module. Where can I find the suitable connector (e.g. SP06022)?
STD-502-R
- What is the difference between the STD-502-R and STD-503?
- What is the benefit of DSSS?
- What exactly is the diversity receiver feature in the STD-502-R and STD-503?
- I want to put the RF module in my enclosure? What do I need to be careful of?
- There is a problem with communication range. What is the problem? What should be checked?
- How should the antenna be handled?
- I need help in selecting a CPU to control my module?
- Can Circuit Design module communicate with a tablet?
STD-503
- What is the channel step option on the STD-503?
- What is the difference between the STD-502-R and STD-503?
- What is the benefit of DSSS?
- What exactly is the diversity receiver feature in the STD-502-R and STD-503?
- I want to put the RF module in my enclosure? What do I need to be careful of?
- There is a problem with communication range. What is the problem? What should be checked?
- How should the antenna be handled?
- I need help in selecting a CPU to control my module?
- Can Circuit Design module communicate with a tablet?
STD-601
- What is the difference between STD-601 434 MHz and 400 MHz version?
- Referring to STD-601 operation guide, is it possible to use the LOW signal event on the INT terminal to confirm module initialisation?
- What is transparent interface?
- Can I connect Circuit Design modules to Arduino or Raspberry Pi?
- I want to put the RF module in my enclosure? What do I need to be careful of?
- There is a problem with communication range. What is the problem? What should be checked?
- How should the antenna be handled?
- I need help in selecting a CPU to control my module?
- Can Circuit Design module communicate with a tablet?
- I'd like to use my own antenna on your module. Where can I find the suitable connector (e.g. SP06022)?
MU-4-434
- What is transparent interface?
- Is communication between the MU-4 and STD-302Z possible?
- What does Forward Error Correction mean in the MU-4 module?
- How do I set the User ID on the MU-4?
- I want to replace the existing wired connection (RS-232C) with the MU-4. With the existing connection only TXD and RXD are used. Is it possible to go wireless with the MU-4?
- Is the MU-4 included in the MU4-RS2IF and MU4-USBIF test board?
- Is it possible to use the MU4-RS2IF in combination with the MU4-USBIF?
- What is the make and model of the LED on the MU4-RS2IF test board?
- What do I need to be careful of when interfacing between the single-chip CPU and the MU4-RS2IF?
- Does the MU-4 have power-saving and standby modes?
- What is the Air monitor feature?
- According to the Operation Guide, the MODE terminal must be set to L to use the MU-4 in the binary mode, but is it necessary to connect the MODE terminal to the GND terminal?
- Can you connect MU-4 with RS-485?
- How do you protect the mounted MU-4 from noise?
- What error detection systems do you use in MU-4?
- Can I use Visual Basic (VB) to make a control program for the MU-4?
- What is the purpose of MU-4 User IDs?
- Is it possible to send binary data with the MU-4?
- How do you set the MU-4 to binary mode when turning on the power?
- What OS can I use MU4-USBIF on?
- When I tried to open the COM port with the MU-4 Evaluation Program, the message 'Can't Open the Port. Please check the hardware.' appeared and the connection failed.
- Can I use the MU-4 with Linux?
- Why do I lose the parameter settings of the MU-4, when power is disconnected?
- What is the maximum communication distance for relay systems?
- How can the RSSI value be obtained when the MU-4 is in binary mode?
- There is no change in RTS output. It is always Low. Is this OK?
- Can you check the communication content between two MU-4 units using a third unit?
- Every time 'Open port' in the MU2-ESP is clicked, 'Framing error' is displayed.
- Can I connect Circuit Design modules to Arduino or Raspberry Pi?
- I want to put the RF module in my enclosure? What do I need to be careful of?
- There is a problem with communication range. What is the problem? What should be checked?
- How should the antenna be handled?
- I need help in selecting a CPU to control my module?
- Can Circuit Design module communicate with a tablet?
- I'd like to use my own antenna on your module. Where can I find the suitable connector (e.g. SP06022)?
SLR-434M
- What are RS232C straight and null modem cables and which one do I use for the TB-SLR-RS2?
- What is the LoRa® used in the SLR-434M?
- What are the DIO terminals on the SLR-434M?
- What is the interface to the SLR-434M?
- What is the Air monitor feature?
- What is the loop back test for the SLR-434M?
- Can I connect Circuit Design modules to Arduino or Raspberry Pi?
- I want to put the RF module in my enclosure? What do I need to be careful of?
- There is a problem with communication range. What is the problem? What should be checked?
- How should the antenna be handled?
- I need help in selecting a CPU to control my module?
- Can Circuit Design module communicate with a tablet?
- I'd like to use my own antenna on your module. Where can I find the suitable connector (e.g. SP06022)?
CDT-TX-02M-R, CDT-RX-03M
- What is RSSI? And how to use it?
- What is 12dB SINAD?
- For CDT-TX-02M-R / CDT-RX-03M, is it possible to send multiple switching signals at the same time?
- Is it possible to use the CDT-TX-02M-R / CDT-RX-03M for data communication?
- What is the reason for long communication range when using CDT-TX-02M-R / CDT-RX-03M module?
- How long does it take to start transmission after switching on the CDT-02?
- What is the minimum input pulse width to the CDT-TX-02M-R to cause an output from CDT-RX-03M?
- For CDT-TX-02M-R, what does standby mean?
- For the CDT-RX-03M, what is the current consumption during listening?
- What kind of battery is used for the transmitter CDT-TX-02M-R 434 MHz?
- What is a PhotoMOSFET relay?
- For the CDT-TX-02M-R, can I interface to a microcontroller instead of mechanical switches?
- I want to put the RF module in my enclosure? What do I need to be careful of?
- There is a problem with communication range. What is the problem? What should be checked?
- How should the antenna be handled?
- I'd like to use my own antenna on your module. Where can I find the suitable connector (e.g. SP06022)?
NK-2.4Y
- What does Hamming distance (6) used in NK-2.4Y mean?
- For the NK-2.4Y, why can I only transmit switching signals one way when the module is specified as having 2-way communication?
- There is no output signal from the NK-2.4Y?
- The current consumption of NK-2.4Y when linking is 14 mA. Is it possible to reduce this?
- I want to put the RF module in my enclosure? What do I need to be careful of?
- There is a problem with communication range. What is the problem? What should be checked?
- How should the antenna be handled?
- I'd like to use my own antenna on your module. Where can I find the suitable connector (e.g. SP06022)?
WA-TX-03S, WA-RX-03S
- What is the difference between the WA-TX-03-R,WA-RX-03-R and WA-TX-03S,WA-RX-03S?
- Why use analogue FM for your WA-03 modules? Why not use digital?
- What is the response time between input and output signal when using audio module?
- How many channels are usable with the WA-TX-03S, WA-RX-03S at one time?
- How does temperature affect the WA-TX-03S and WA-RX-03S operation?
- Is full duplex communication possible between the WA-TX-03S, WA-RX-03S?
- What kind of inputs can the audio modules accept?
- I want to know about the operation of the standby terminal of the WA-TX-03S
- Is it possible to see the RSSI output level of the WA-RX-03S?
- What are the important points to remember when the WA-TX-03S, WA-RX-03S module is operated on the test board which enables the channel and mute level to be changed?
- Is it possible to connect WA-03 modules to a 16 Ω speaker?
- I want to put the RF module in my enclosure? What do I need to be careful of?
- There is a problem with communication range. What is the problem? What should be checked?
- How should the antenna be handled?
- I'd like to use my own antenna on your module. Where can I find the suitable connector (e.g. SP06022)?
Accessory
General
- How can I get Product catalogue
- What is transparent interface?
- What does 'Category 1 receiver' mean?
- What is RSSI? And how to use it?
- What is 12dB SINAD?
- I want to put the RF module in my enclosure? What do I need to be careful of?
- There is a problem with communication range. What is the problem? What should be checked?
- How should the antenna be handled?