In stock items ship in one business day THC4SE04 - Board assembly, wider operating temperature, 4 channels, RS485, 5V/3.3V UART $300.00 Sold out THC4SE01 - Board assembly, 4 channels, RS485 Sale Price: $50.00 Original Price: $150.00 Sale THC4SE02 - Board assembly, 4 channels, RS485, 5V/3.3V UART Sale Price: $200.00 Original Price: $250.00 Sale THC4SE03 (Min 10 Qty) - Board mount, 4 channels, RS485, 5V/3.3V UART $2,500.00