by s9800078 | Jun 18, 2024
Are there some models that still do not have that capability? And if so, when will all phones be thus equipped? —Name withheld ——— Not all phones can read a radio frequency identification tag. The handset must have a built-in Near Field Communication (NFC) device for...
by s9800078 | Jun 18, 2024
How different are prices for the two technologies? —Name withheld ——— That’s a very difficult question to answer. It you are inquiring about the cost of everything—hardware, software, services and data-capture—it would be very hard to estimate price, since that...
by s9800078 | Jun 18, 2024
From how far away could I read radio frequency identification tags? —Name withheld ——— The answer depends on the type of RFID solution that you are using. Passive low-frequency (LF) and high-frequency (HF) systems have a read range of approximately 3 feet (1 meter). A...
by s9800078 | Jun 18, 2024
And is it difficult to set up a stored-value system? —Name withheld ——— With a debit card, you would typically identify an individual and withdraw funds for a purchase directly from his or her bank account, rather than giving that person...
by s9800078 | Jun 18, 2024
And how can an RFID reader communicate simultaneously with more than one passive tag using such a technique? —Name withheld ——— I will explain the basic concept of anti-collision here, and then point you to some information that goes into more depth. Readers can not...