Key Features:

Frequency available with 125KHz
3.3V ~ 5V DC Power supply, UART-TTL interface
R/W or Read-only UID of ATA 5577 and its compatible cards;
Available to set to read different Page or Block address with password;
Optional output as WG26, WG34 or UART TTL
External antenna, reading range up to 5~7cm
External LED&BUZ available(external driver circuit needed)

Technical Parameters:

Electrical Specification
Power supply DC 3.3V ~ 5V
Power consumption < 45mA
Operation frequency 125KHz &134.2KHz
Baudrate 9600~115200 bit/s ( default 9600bps)
Interface UART TTL
Antenna External, Molex connector, or stamp hole
Reading range 50- 100mm (depends on tag and antenna size)

Mechanical Specifications
Dimension 22mmx42mmx3mm (LxWxH)
Weight 6g
Material FR-4, Blue
Model CHK121MT

Environmental Conditions
Operation temperature -20°C～ +80°C
Storage temperature -40°C～ +85°C
Humidity Relative humidity 5%～95%
Baudrate 9600~115200 bit/s ( de