Comment by imglorp
11 hours ago
It appears to be based on NFC-F with latency under 200 ms, called FeliCa. Similar to regular NFC at around 300 ms latency plus any network times.
11 hours ago
It appears to be based on NFC-F with latency under 200 ms, called FeliCa. Similar to regular NFC at around 300 ms latency plus any network times.
It was a completely custom standard conceived by JNR/JRE and Sony during 1990s-2000s, that they eventually managed to be included into the common NFC specification through years of lobbying and pressuring.