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USR-DR502 and USR-DR512 are both DTU of the DIN rail series LTE Cat 1 DTU, which has the characteristics of high network coverage and low transmission latency, and supports Cat 1 network access of the three major operators. The product indicator is abundant, which is convenient for customers to identify the equipment status; The product has a built-in independent hardware watchdog, and supports FOTA remote upgrade to ensure the high reliability of the product. Wide voltage terminal power supply, 3PIN RS485 standard terminal interface, rail design, suitable for various industrial sites, more convenient installation.
Parameters | Description | ||
| Product model | USR-DR502 | USR-DR512 |
Basic parameters | Network standard | Supports China Mobile, China Unicom, and China Telecom LTE Cat-1 | |
power supply | DC 9V~36V, recommended value 12V/1A | AC 120~240V | |
Operating current | Avg. 26mA (12V) | Avg. 10mA (220V) | |
Status indicator | PWR, WORK, LINKA, LINKB, NET, TX, RX, signal indicator | ||
SIM/USIM card | Card 1: 3V/1.8V SIM card slot, Micro SIM Card 2: Built-in telecom patch eSIM card, 8 years of traffic will be sent out of the factory, 100M/month | ||
USB interface | Slave, MicroUSB port, USB 2.0 High speed | ||
UART interface | RS485, 3PIN terminal interface, baud rate 1200~230400(bps) | ||
Antenna interface | SMA outer screw inner hole | ||
Dimensions | Dimensions (mm) | 28×64.7×109.7（L*W*H） | |
Weight (g) | <110g | ||
Installation: | Standard DIN 35mm rails | ||
Environmental scope | Operating temperature | -25℃~ +75℃ | |
Storage temperature | -40℃~ +90℃ | ||
Operating humidity | 5%~95%RH (no condensation) | ||
Technical Specifications | TDD-LTE | 3GPP Release 13 CAT1 is 7.5 Mbps downlink and 1 Mbps uplink | |
FDD-LTE | 3GPP Release 13 CAT1 is 10 Mbps downlink and 5 Mbps uplink | ||
Frequency bands | TDD-LTE | Band34/38/39/40/41 | |
FDD-LTE | Band 1/3/5/8 | ||
Software Features | Working mode | Transparent transmission mode, HTTPD mode, SMS transparent transmission mode, and MQTT mode | |
Set up the directive | AT+ command structure | ||
Network protocols | TCP/UDP/DNS/FTP/HTTP/MQTT | ||
SSl/TLS encryption | It supports HTTPS/MQTTS encryption and optional two-way certificate verification | ||
Number of sockets | 4-way, and 4-channel socket backup is also supported | ||
User configuration | Serial AT command, network AT command, SMS AT command | ||
Featured Functions: | Heartbeat packets | Support custom heartbeat packets/SN heartbeat packets/ICCID heartbeat packets/IMEI heartbeat packets/LBS | |
Enrollment package mechanism | Custom registration packages, SN registration packages, ICCID registration packages, and IMEI registration packages are supported | ||
Other features | Socket distribution, FTP other upgrades, FOTA upgrades, base station positioning, NTP timing functions | ||
admin - September 12, 2018
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