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| | R503 | R503-5V | R503-M22 | R503Pro | R503S |
| Power Supply | DC 3.3V | DC 5V | DC 3.3V | UART:DC 3.3V USB:DC 5V | DC 3.3V |
| Sensing Array | 192*192 Pixel | 192*192 Pixel | 192*192 Pixel | 192*192 Pixel | 160*160 Pixel |
| Fingerprint Capacity | 200 | 200 | 200 | 1500 | 150 |
| Size | M25 | M25 | M22 | M25 | M25 |
| Connector | SH 1.0mm 6pin | MX 1.25mm 6pin | SH 1.0mm 6pin | SH 1.0mm 6pin | SH 1.0mm 6pin |
| Model | R503-M22 |
| Type | Capacitive Fingerprint Module |
| Interface | UART(TTL) |
| Resolution | 508 DPI |
| Voltage | DC 3.3V |
| Fingerprint Capacity | 200 |
| Sensing array | 192*192 pixel |
| Working current | 20mA |
| Standby current | Typical touch standby voltage: 3.3V, Average current: 2uA |
| Fingerprint module external size | Diameter 25 (mm) |
| Fingerprint module inner size | Diameter 22 (mm)(M22) |
| Fingerprint module height | 15 (mm) |
| Effective collection area | Diameter 15.5 (mm) |
| Connector | SH1.0-6Pin |
| LED Control | YES |
| LED Color | RGB |
| Scanning Speed | < 0.2 second |
| Verification Speed | < 0.3 second |
| Matching Method | 1:1; 1:N |
| FRR | ≤1% |
| FAR | ≤0.001% |
| Work environment | -20C ---60C |
| Work Humidity | 10-85% |
| Anti-static capacity | 15KV |
| Abrasive resistance intensity | 1 million times |
| Communications baud rate (UART): | (9600 × N) bps where N = 1 ~ 12(default N = 6, ie 57600bps) |










