Coldcard Q
Description
QWERTY Keyboard: ideal for long BIP-39 passphrases. 320×240 pixel LCD screen, 3.2″ diagonal size. Four times Mk4 size. Battery powered by 3x AAA cells (or USB). Airgapped and wireless! Dual MicroSD slots (push-pull type, not spring loaded). QR Code scanner done right™, with LED illumination and advanced scanning algorithms and serial interface. NFC communication, like Mk4 but with dedicated NFC antenna. Includes internal storage for spare MicroSD cards. USB data & NFC data can be irreversibly blocked, by cutting either PCB trace: disables USB data or NFC data at electrical level.
NFC-V compatible: tap to transmit all data types, including PSBTs, addresses, and XPUBs. Two Secure Elements from two manufacturers; minimizes unknown vulnerability risks. USB Virtual Disk Mode: emulates a 4MB disk when connected to macOS, Windows, iPhone, etc. Many extensive duress PIN options (Trick PINs) USB-C connector Same fast processor and high memory capacity.
Explainer in English by Bitcoin Sessions: https://www.youtube.com/watch?v=FiNCG-7EN4A
QWERTY Keyboard: ideal for long BIP-39 passphrases. 320×240 pixel LCD screen, 3.2″ diagonal size. Four times Mk4 size. Battery powered by 3x AAA cells (or USB). Airgapped and wireless! Dual MicroSD slots (push-pull type, not spring loaded). QR Code scanner done right™, with LED illumination and advanced scanning algorithms and serial interface. NFC communication, like Mk4 but with dedicated NFC antenna. Includes internal storage for spare MicroSD cards. USB data & NFC data can be irreversibly blocked, by cutting either PCB trace: disables USB data or NFC data at electrical level.
NFC-V compatible: tap to transmit all data types, including PSBTs, addresses, and XPUBs. Two Secure Elements from two manufacturers; minimizes unknown vulnerability risks. USB Virtual Disk Mode: emulates a 4MB disk when connected to macOS, Windows, iPhone, etc. Many extensive duress PIN options (Trick PINs) USB-C connector Same fast processor and high memory capacity.
Explainer in English by Bitcoin Sessions: https://www.youtube.com/watch?v=FiNCG-7EN4A