VTAP50 embedded NFC reader module - USB & Serial
Physical characteristics
 Dimensions: 20mm x 52mm (0.79in x 2.05in) with external antenna 
 Power Supply: 5V DC (typ. 110mA, max 150mA) 
 Mounting options: 4 x integrated mounting holes 
 Weight: 6g (0.21oz) 
 Operating conditions: -25 to +70°C (-13 to 158°F); 0 to 95% RH non-condensing; optional conformal coating available  
NFC Interface
 Frequency/standards: 13.56MHz, ISO 14443A/B, ISO 15693 and ISO 18092 
 Antenna(s): Use external antenna and tuned matching circuit, for which a developer/evaluation kit including sample 40mm square antenna will be available Q2 2025. 
 Read range: Using an external antenna will depend on antenna shape and size - typically 50mm (2in) 
 Mobile wallet compatibility:  
- Apple Wallet NFC cards (VAS for loyalty/membership/tickets, ECP2 DESFire for Access/ID)
- Google Wallet NFC cards (Smart Tap, including extensions, MIFARE2Go DESFire)
- Card auto-selection with VAS, ECP2, Smart Tap and DESFire
- Express Mode & CDCVM with ECP2
- Mobile device type detection
- ECC key auto-selection and reporting
- Multiple pass type IDs, Apple enrolment URL and Google STUID capture where supported
 Card/tag compatibility:  
- UID/CSN reading from all supported card/tag types including NFC Type 1 (Topaz), Type 2 (MIFARE Ultralight & NTAG), Type 3 (FeliCa), Type 4 (DESFire, T=CL & HCE), Type 5 (ICODE) & MIFARE Classic;
- NDEF records from NFC Type 2, 3 & 4;
- Block data from MIFARE Classic, Ultralight/NTAG (NFC Type 2) & ICODE (NFC Type 5);
- Secure data reading from MIFARE Classic, MIFARE DESFire, MIFARE Ultralight AES.
 Other NFC modes: Dynamic NFC format NDEF tag emulation with smart write-back; GymKit handoff; NFC Forum connection handover (CH/TNEP) 
 Pass IDs: 6 x Apple merchant IDs and 6 x Google collector IDs 
 Encryption key slots key slots: 6 x ECC key slots (for Apple & Google ID keys); 9 x Application key slots (for MIFARE Classic, DESFire, Ultralight AES and/or OSDP secure channel) 
 Encryption algorithms: NIST P-256 modes ECDH and ECDSA, HMAC SHA-256, AES-128 and AES-256 in CTR, GCM, CMAC and CBC modes, ANSI-X9.63-KDF & HKDF according to RFC5869 using HMAC-SHA256, key derivation following NXP AN 10922  
USB interface
 USB device types (can enable/disable as required):  
- USB Mass storage (for easy configuration, key loading & firmware updates);
- Human Interface Device (standard barcode reader/keyboard emulation);
- USB Virtual COM port (for configuration, file transfer and command interface, including OSDP over USB COM)
 Connectors: Micro USB socket and 8-pin captive cable connector for USB and RS-232 (2mm pitch) 
 Operating system support: Windows, Linux, MacOS full support for keyboard emulation, virtual COM device and mass storage; Android support for keyboard emulation, virtual COM device; iPhone and iPad support  
Serial interface
 Serial interface types: RS232 plus 3v3 serial on expansion connectors 
 Serial connectors: 8-pin captive cable connector, optional 12-pin expansion connector, both 2mm pitch, FFC connector 
 Serial mode features: External barcode scanner input, VTAP command and OSDP modes, including support for secure configuration, encryption key & firmware updates. 3v3 serial interface for comms with embedded systems such as Raspberry Pi  
Other features
 Operator feedback: Buzzer and LED provide device status and tap transaction feedback from reader and/or connected device/application, with customised colours and buzzer frequency and sequences 
 Reader management: USB/serial interface using configuration text files that can be locked and encrypted firmware file for field upgrades 
 Input/Output options: Support for up to 255 serial RGB LEDs via expansion connector  
Compliance / Certification
 Apple VAS, Apple ECP2/Access, Google Smart Tap; Requires certification tests with chosen antenna, such as permissive change to FCC modular certification of VTAP50-OEM and/or tests to meet Apple ECP2 requirements, according to your use.   
Manufacturer's part number: VTAP50-MOD  
Country of origin: UK  
HSF code: 8542390000
Manufacturer: Dot Origin (www.vtapnfc.com)
Connection Method: Serial or USB