USR-DR504-E User Manual
Jinan USR IOT Technology Limited
Tech Support: h.usriot.com
6
1. Product overview
1.1. Product Overview
USR-DR504-E is the M2M product launched in 2019 with the characteristics of high speed and low latency.
European band. The software has perfect functions and covers most common application scenarios. It can realize
two-way data transparent transmission from serial port to network by simple settings. And supports SMS mode, custom
register packages, heartbeat packages , support 2 way socket connections, support TCP Server, support access USR
cloud , support remote upgrade.
Figure 1
DTU default parameters
Parameter
Item
Index
Wireless
Parameters
Wireless standard
FDD-LTE, TDD-LTE, HSPA+/WCDMA, GSM/GPRS/EDGE
Standard frequency range
FDD-LTE
Band 1/2/3/5/7/8/20
TDD-LTE
Band 38/40/41
HSPA+/WCDMA
Band 1/2/5/8
GSM/GPRS/EDGE
Band 2/3/5/8
Transmitting power
TDD-LTE
+23dBm(Power class 3)
FDD-LTE
+23dBm(Power class 3)
WCDMA
+24dBm(Power class 3)
EDGE Band8
+27dBm(Power class E2)
EDGE Band3
+26dBm(Power class E2)
GSM Band8
+33dBm(Power class 4)
GSM Band3
+30dBm(Power class 1)
Technical specifications
LTE
3GPP R10 CAT4 Downward 150 Mbps , Uplink 50
Mbps
HSPA+
Downward 42 Mbps , Uplink 5. 76 Mbps
EDGE
Downward 236. 8 kbps , Uplink 236. 8 kbps
GPRS
Downward rate 85. 6 kbps Uplink rate 85. 6 kbps
Antenna options
SMA interface
Hardware
parameters
Data interface
RS485: 2400bps - 230400bps
Working voltage
DC 9V~36V
Working current
Average:83.69mA- 98.26mA@12V Max:232.91mA@12V
Working temperature
-30
℃
- 75
℃
Storage temperature
-40
℃
- 95
℃
Size
(
mm
)
28*64.7*109.7(L*W*H)
Software
Work mode
Transparent transmission mode, SMS mode
Setting command
AT+Command
Network protocol
TCP/UDP
Maximum TCP connection
number
2