USR IOT USR-DR404 - 1 Product Overview; Brief Introduction; Specifications

USR-DR404 user manual www.usriot.com
Jinan USR IOT Technology Limited www.usriot.com
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1. Product Overview
1.1. Brief Introduction
USR-DR404 supports serial port to WIFI function, make the serial port (RS485)connection switch into TCP/IP net
interface to realize the bi-direction transparent transmission between serial port and WIFI/Ethernet. Enable serial devices
to have TCP / IP network interface function immediately, connect to the network for data communication, greatly extend
the communication distance of serial devices, as below:
Diagram 1 Basic function
1.2. Specifications
Item
Description
Wireless
parameters
Standard certification
FCC/CE
Wireless standard
802.11 b/g/n
Frequency range
2.412GHz-2.484GHz
Transmitting power
802.11b: +19dBm(Max.@11Mbps)
802.11g: +18dBm(Max.@54Mbps)
802.11n: +17dBm(Max.@HT20,MCS7)
+17dBm(Max.@HT40,MCS7)
User can configure power
Receive sensitivity
802.11b: -89dBm(@11Mbps)
802.11g: -81dBm(@54Mbps)
802.11n: -73dBm(@HT20,MCS7)
-71dBm(@HT40,MCS7)
Hardware
parameters
Data interface
RS485: 300
～
230.4Kbps
485 interface (anti surge, anti thunder,
overcurrent protection)
Ethernet: 10Mbps/100Mbps
USR-DR404