| Model | ST208E | ST208S | 
| Description | Standard version | External antenna version | 
| Input voltage | 9 - 24 VDC, with PoE in and DC power socket | 
| Pilot lamp | POW、WORK、LAN1、LAN2、SIG | 
| Working Current | DC: 0.3A@12V aver, 0.4A@12V max POE:0.4A@12V aver, 0.55A@12V max | 
| Antennacoverage angle | Horizontal 60°, vertical 30° | omnidirectional antenna | 
| Wi-Fi | 
| WirelessStandards | IEEE 802.11b/g/n | 
| Output Power | Up to 20 dBm | 
| Antenna gain | Internal Antenna:8dBi ; External antenna:5dBi | 
| Channel bandwidth | 20/40Mhz | 
| MIMO | 2*2 | 
| Max rate | 300Mbps | 
| Coverage Distance | 
| Max coverage of WiFi | 1000 meters(Note: Affected by the environment, the actual measurement shall prevail.)
 | 500 meters (Note: Affected by the environment, the actual measurement shall prevail.) | 
| Ethernet Cable | 100 meters (Label:The transmission distance is related to the quality of the network cable, and the actual measurement shall prevail) | 
| Ethernet | 
| Ethernet | 2*RJ45, 10/100M, LAN 2 supportsPoE in | 
| Software | 
| Work Mode | Two paired parameters in one packaging box | 
| LAN settings | Static IP, dynamically obtained | 
| Wireless settings | 802.11b/g/n mode; The encryption method can choose WPA/WPA2;SSID broadcast/hide; bandwidth selection; transmit power setting
 | 
| Manage | System logs; WEB login; Unified management of DM cloud platform; SSH tool | 
| System Tools | Ping/Traceroute/Nsloukup tool | 
| Other | Password modification; Firmware upgrade; Parameter import/export;Restore to factory;Scheduled restart
 | 
| Physical Parameters | 
| Dimension | 140.7*77.39*53mm | 85*76*25mm | 
| Weight | 144.4g | 217.3g | 
| Installation | Pole Mounting, wall mounting | Wall Mounting, DIN rail mounting | 
| Shell | IP64  waterproof | Sheet metal shell | 
| Reload | Press and hold the reload button for 5-15 seconds to release and restore to factory settings | 
| Operating Temperature | -40°C ~ +70°C | 
| Operating Humidity | 10 ~ 95 %(non-condensing) |