Frequently Asked Questions
HW Design
- What are the recommendations for TR mounting regarding ground planes on a mother PCB?
- What are the requirements for TR sealing?
- What are the rules and recommendations for TR SMT mounting?
- What are the recommendations for integration of TR-76D into the user’s HW?
- What are the main differences in the usage of SMT TRs like TR-76D and TR-77D?
- How to protect I/O pins of TRs like TR-76D or TR-77D?
Antenna design
- How to orient the TRs with integrated PCB antenna?
- Is it possible to use antennas from 3rd party manufacturers?
- Is it possible to use one's own built-in PCB antenna?
- Is it possible to have designed a user-specific antenna by IQRF manufacturer?
- Is it possible to communicate between TRs with different antennas?
- What antenna cable should be used?
RF range
- How to orient the TR with integrated PCB antenna?
- What is the actual RF range in a real environment?
- How to test RF range?
- My RF range is lower than expected. What can I do?
- How to reach the longest possible RF range?
TR transceivers
- How is it like with operating temperature of TRs?
- Is low supply voltage detected?
- What are the requirements for TR sealing?
- How much time does TR transceiver need to be ready after power on?
- Is there any limitation when using TR I/O pins during an IQRF IDE debug session?
- Why do LP and XLP modes depend on the noise?
- How to implement a user-specific timing?
- How to implement A/D converter?
- How to implement UART?
- How to implement Dallas 1-wire bus?
- How to implement SPI Master?
- How to implement PWM?
- What is the payload data throughput?
- What is the packet propagation time?
- What is the precision of temperature sensor?
- Is it possible to communicate between IQRF TR and a 3rd party transceiver?
- Do TRs meet the regulations required for wireless fire alarms?
RF
- What is the RF packet propagation time in peer-to-peer topology (non-IQMESH)?
- Is it possible to communicate between IQRF TR and a 3rd party transcevier?
- Which bands are available?
- How to avoid RF noise?
- Is the LBT (Listen Before Talk) implemented in IQRF OS or DPA?
- How to easily detect an RF noise?
Sleep and wake-up
- How to wake-up TR from sleep?
- Is it possible to run TR with RF circuitry sleeping?
- Is it possible to detect incoming RF signal while TR sleeping?
- What is the timing precision while TR sleeping?
Networking
- Is there any way to bond the Node without a button press?
- What is the maximal number of devices in a single network?
- Is it possible to mix various TR types in a single network?
- How to create a network?
- Are asynchronous RF packets possible in IQMESH?
- Are IQRF packets encrypted?
- Is it possible to use IQMESH for non-static networks?
- What is the RF packet propagation time in the IQMESH network?
- What to do when a network device failed?
- When to perform Discovery?
Versions, migration and custom factory settings or pre-programming
- Is it always necessary to migrate the existing application for new OS and DPA versions?
- Is it possible to order TRs with specified OS versions?
- Is it possible to order TRs with RFPGM (wireless upload) after reset enabled?
- Is it possible to order TRs user-specifically pre-programmed from the factory?
Applications and development
- Should I use DPA or C-programming?
- How much memory is available for user application?
- Is it possible to run IQRF IDE under Linux or macOS?
- Is it possible to use other C compiler than CC5x?
- Is DALI supported by IQRF?
- Is it possible to use IQRF transceivers for localization?
- Is it possible to communicate between TR and PC via a virtual COM?
Updates, service and maintenance
- Is it possible to order TRs with specified OS versions?
- Is it possible to update all SW and data inside the TR wirelessly?
- Is an IQRF sniffer available?
Regulations and certification
- Is a certification of my equipment necessary when using a certified TR transceiver?
- Where can I find certificates and test reports for TRs?
- What is the EU standard for the license-free bands?
- Do TRs meet the regulations required for wireless fire alarms?
- There is an extra regulation in my country. Is it possible to implement it into IQRF?
