https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
RFID Access Control DS-1 Series: DS-1200

RFID Access Control DS-1 Series: DS-1200

Sunion Electronics Corp.
Region: Taiwan
Update: 05/07/2007
Key Specifications
RF: 134.2 KHz

Typical: 20 cm

Typical: 0.15 ms

Operating: 0 to + 55

Storage: -25 to + 85

Storage: 5 ~ 97% non-condensing

Power: DC 12V/1A Regulated

Communications: 9600 baud, 8 data bits, no parity, 1 start bit, 1 stop bit

Communications: Wiegand

Output: 1 for Alarm (Open Collector)

Others Status Indicator; IR Sensor ; Buzzer

https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions