Transmission: Via twisted pair cable or STP

Transmission distance:1200m(RS485),5m(RS232)

Transmission mode:half duplex asynchronous

Transmission rate:300-115.2Kbps

Compatible with: EIA and TIA

Working temperature:-25 to 70°C

Humidity:5-95%

Support System: Windows(2000,2003,2008,XP,Vista,7,8), Mac&Linux