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

RFID Parking Lot Controller

Sunion Electronics Corp.
Region: Taiwan
Update: 05/07/2007
Key Specifications
Part Number:CT-6100

Input / Output:2 Digital in / 2 Relay Out

Power supply:DC 12V/1A

Power:consumption 150mA in idle;250mA in operating

Memory size;128Kbytes

Communication Parameters:9600, N, 8, 1;(Refer to user manual)

Communication interface:PC end: RS-232 Reader end: RS485

ID setting range:01 ~ 99

Number of connection:1 controller can connect to 2 readers

Dimension:(L ⊙ W ⊙ H) 172mm ⊙ 165mm ⊙ 30mm

Weight 830g∮1%

Other:11 LED Status Indicators ( can choose 1 LCD16 Keypads)

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