USB fingerprint reader R304

for access control

GROW R304 Fingerprint Module Classification Fingerprint Module Interface UART/USB Voltage DC 4.2--6.0V Effective Collection Area 11*15 mm Sensor Array 192*256 pixel Resolution 508dpi Fingerprint Capacity 1000 Description ·Communication interface : USB and UART ·1:N Identification (One-to-Many) ·1:1 Verification (One-to-One) ·High speed fingerprint identification algorithm engine ·Self study function ·Fingerprint feature data read/write functions ·Get Feature Data of Captured fingerprint and Verify/Identify Downloaded Feature with Captured ·Fingerprint Identify Downloaded Feature with Captured fingerprint ·Security Level setting ·Able to set BaudRate/ Device ID/Device Password ·Operating system:Windows 98, Me, NT4.0, 2000, XP,WIN 7 or Android Specifications ·Interface:USB 2.0 and UART(3.3V-TTL logic) ·Resolution:508 DPI ·Work Current: <55mA ·Voltage: DC 4.2-6.0V ·Fingerprint capacity:1000 ·Security Level: 1-5, default is 3 ·Sensor Array: 192*256 pixel ·Fingerprint reader module size: 20.4 * 33.4 (mm) ·Effective collection area: 11 * 15 (mm) ·ScanningSpeed: < 0.2 second ·Verification Speed: < 0.3 second ·Matching Method: 1:1; 1:N ·FRR (False Rejection Ratio): ≤0.01% ·FAR (False Acceptance Ratio): ≤0.00001% ·Work environment: -20°C ---55°C ·Work Humidity: 20-80% ·Communications baud rate (UART): (9600 × N) bps where N = 1 ~ 12(default N = 6, ie 57600bps)