REINER SCT
REINER SCT is a long established German vendor of card readers, OTP tokens, and authentication hardware. Their FIDO Stick Pro USB-A and FIDO Stick Pro USB-C are FIDO2 keys with NFC, PIV, HOTP, and TOTP, manufactured by Swissbit under a partnership announced in 2023. REINER SCT also sells the older Authenticator and Authenticator mini, which are TOTP only and not FIDO keys.