• reads RFID tags running in the 125 kHz band
• data are sent by emulating a DS1990 iButton
• plastic casing
• standard wire ~40 cm
• M*12 thread
• bi-color LED
• joining colors green and red we get orange
• no series resistor required, simply connect LED cathode to GND
• low-cost

Programming

Supported 1-wire commands:

• 33h (Read Rom)
• F0h (Search Rom)

The emulated 64-Bit ROM consists of:

• CRC (1 Byte)
• 0x00
• RFID Serial number (5 Bytes)
• Family Code DS1990 (0x01)

Specifications

Power supply : 6.5-30 Volts
Active Current : 12mA (without LED)
Frequency : 125 kHz
Reading distance : ~4 cm
Bi-color LED : Green/Red
Active Current LED : 10 mA per color

Applications

• Cash registers
• Time and attendance
• Access control

Pinouts

Yellow : Power supply (6.5-30 volts DC)
Gray : Ground
White : 1-Wire Data
Green : Cathode green LED
Brown : Cathode red LED

RF9092Lv-Mw-xy-z

v = number of LEDs (0 = no LED)
w = LED with common Anode (A) or Cathode (K)
x = thread in millimeter (0 = no thread)
y = frequency
z = advanced feature (e.g. water resistant)