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Each of these have a unique id, so multiple tags can be used in a single project and may be purchased in any quantity....
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13.56Mhz Smart Read / Write Card
Chip: UID
Material: PVC
Frequency: 13.56MHz
Material: High quality ABS
Operation frequency: 13.56MHz...
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High frequency stability and low coherence and interference. Receiver sensitivity as high as -110dBm - operating current...
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Operating Voltage: 5V DC Supply
Reading Distance: 6-10 cm.
Read frequency: 125 kHz.
EM4001 64 – bit RFID tag compat...
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EM18 RFID Reader Module- [125Khz] – RS232
Model Name/Number EM-18 RFID
Current < 50mA
Size 32mm(length) x 32mm(width) x 8mm(height)
Operation Voltage 5 VDC
...
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LoRa spread-spectrum communication, super anti-interference performance -- The module adopts LORA spread
spectrum te...
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LoRa-Ra-01 RF Transceiver Module
Half-duplex SPI communication
Support FSK, GFSK, MSK, GMSK, LoRaTM and OOK Modulation Mode
127dB RSSI wave range.
A...
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NRF24L01 PA LNA SMA Wireless Transceiver
Voltage: 3-3.6V (recommended 3.3V) V.
Maximum output power: +20dBm.
Power-down mode current: 4.2uA....
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Voltage: 5V
44.1K sampling rate,24 bit AD sampling
16-channel selectable
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RC522 – 13.56Mhz Smart Card Reader
USB RFID ID Contactless Proximity Smart Card Reader 13.56MHz Windows Android...
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RF Encoder Decoder Module Board
Easy interfacing with the RF modules, using the female headers for placing the modules.
Breakout pins for connecting to...