Xestión de estudantes portátiles Etiqueta RFID activa de 2,45 GHz

Technical Parameters
frecuencia de operación: 2.4GHz~2.5GHz (factory setting)
Working style: active-type
Transmit power: less than 1mW (0dBm) (factory setting)
Static (standby) operating current: < 1Módulo de escritura/lectura MF RC522 SPI para Arduino
Maximum operating current (transmitted signal): < 15mA
Launch time: 0.25Señorita
Read mode: readable and writable
User data: data distinguishing blocks, each block 16 bytes, a total of 32 blocks
Reading and writing distance: 0-80 metros
Working years: 5 anos (theoretical value)
tensión de funcionamento: 3V
Query time: 1s
Battery: Built-in one CR3032 button battery
Impact ability: It has strong anti-collision ability and can read the number of cards at the same time > 2000 sheets
temperatura de traballo: -25℃~+70℃
temperatura de almacenamento: -40℃ ~ + 85 ℃
Working humidity: < 95%
Dimensións: diameter 35mm×10mm
Material de casca: ABS