| Items | 
Description | 
| Power Supply | 
DC: 5-36V, 2-pin push-type connector | 
| Working Current | 
170-350mA@5V | 
| Serial port | 
| No. | 
 USR-DR164:1 x RS485, 
USR-DR162:1 x RS232, 
3-pin push-type connector. 
 | 
| Baud rates | 
1200-460800 bps | 
| Data bits | 
5, 6, 7, 8 | 
| Stop bits | 
1, 2 | 
| Parity | 
NONE, ODD, EVEN, Mark, Space | 
| Packaging Interval | 
Range: 10 ~ 1000ms, default: 20ms | 
| Packaging Length | 
Range: 32 ~ 1400 bytes, default: 1400 bytes | 
| Pull-up Resistor | 
2.2 KΩ(Only USR-DR164) | 
| Protection | 
ESD, EFT, over-voltage protection | 
| Wi-Fi | 
| Standards & Frequency | 
 IEEE 802.11a/b/g/n 
2.4G: 2.412GHz-2.484GHz 
5.8G: 5.17GHz-5.25GHz, 5.725GHz-5.835GHz 
 | 
| Working Mode | 
AP/STA/AP+STA | 
| Tx power | 
 2.4G: 
802.11b: +17±1.5dBm(@11Mbps) 
802.11g: +14±1.5dBm(@54Mbps) 
802.11n: +14±1.5dBm(@HT20, MCS7) 
5.8G: 
15±1.5dBm (OFDM 6Mbps) 
13±1.5dBm (OFDM 54Mbps) 
12±1.5dBm (HT20 MCS7) 
12±1.5dBm (HT40 MCS7) 
 | 
| Receive sensitivity | 
 2.4G: 
802.11b:-95 dBm (@1Mbps ,CCK) 
802.11b:-85 dBm (@11Mbps ,CCK) 
802.11g:-72 dBm (@54Mbps, OFDM) 
802.11n:-70dBm (@HT20, MCS7) 
802.11n:-67dBm (@HT40, MCS7) 
5.8G: 
-90dBm (@6Mbps ,OFDM) 
-73dBm (@54Mbps ,OFDM) 
-70 dBm (HT20,MCS7) 
-67 dBm (HT40,MCS7) 
 | 
| Antenna | 
SMA female connector | 
| Physical Property | 
| Casing material | 
ABS, V0 rating | 
| Dimensions | 
92 * 24 *22mm(including terminal block connector) | 
| Installation | 
DIN rail mounting | 
| Operating temperature | 
-40℃~+85℃ | 
| Storage temperature | 
-40℃~+125℃ | 
| Operating humidity | 
5% ~ 95% RH, non-condensing | 
| Storage humidity | 
1% ~ 95% RH, non-condensing | 
| Software Function | 
| Work mode | 
TCP Client, TCP server, UDP client, UDP server, HTTP client, MQTT client, IGMP | 
| Modbus Gateway | 
Modbus RTU/TCP protocol conversion | 
| IP | 
DHCP/StaticIP | 
| Registration packet | 
√ | 
| Heartbeat packet | 
√ | 
| WiFi Encryption | 
WEP/WPA-PSK/WPA2-PSK | 
| Encryption Methods | 
WEP64/WEP128/TKIP/AES | 
| IOT PLATFORMS | 
PUSR cloud | 
| User Configuring | 
Web console (HTTP), AT command, SmartAPLink | 
| Others | 
| Reset | 
 Reset button 
1>Press and hold for 4~15 to reset to factory settings 
2>Quickly double-tapz to enter SmartAPLink for networking 
 | 
| Indicators | 
Power, Work, COM, LINK | 
| APPROVALS | 
| Regulatory | 
CE/RED*, RoHS*, WEEE*, FCC* |