Model: R21D
Frequency: 125Khz
Interface: RS232
Support cards: TK4001、EM4100
Introduction: R21D series it's a 125Khz RFID smart card reader with a standard serial port, reader distance up to 80mm, it’s not only simple aspect, but also stable and reliable data. Widely used for RFID Radio Frequency Identification system and project, Such as Automated parking management system, Personal identification, Access controller, Production Access control, etc
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| project | parameter |
| Model | R21D (LF-ID Reader) |
| Frequency | 125Khz |
| Support cards | Em4100, TK4100, SMC4001 and compatible card |
| Output format | 10-digit dec (Defoult output format) (Allow user to customize the output format) |
| Size | 104mm×68mm×10mm |
| Colour | Black |
| Interface | RS232 |
| Power Supply | DC 5V |
| Operating Distance | 0mm-100mm (related to the card & the environment) |
| Service Temperature | -10℃ ~ +70℃ |
| Store Temperature | -20℃ ~ +80℃ |
| Working humidity | <90% |
| Read time | <200ms |
| Read interval | ＜0.5S |
| Weight | About 155G |
| Cable length | 1450mm |
| Material of reader | ABS |
| Operating System | Win XP\Win CE\Win 7\Win 10\LIUNX\Vista\Android |
| Indicators | Double Color LED (Red & Green) and Buzzer (“Red” means standby, “Green” means reader success) |
