HighTek HK-5202A | 2-ports USB to RS-232 Serial Coverter with ESD protection |
HighTek HK-5204A | 4-ports USB to RS-232 HUB |
HighTek HK-5204B | 4-ports USB to RS-485/422 HUB with photoelectric isolation |
HighTek HK-5208A | 8-ports USB to RS-232 HUB |
HighTek HK-5208B | 8-ports USB to RS-485/422 HUB with photoelectric isolation |