USR-DR502-E
USR-DR502-E (Cost-effective DIN-Rail 4G LTE Cat 1 Modem)
● Guide rail installation
● TCP/UDP/HTTPD/SMS transparent transmission
●TCP/UDP/IPV4/IPV6/HTTP/MQTT/DNS/SSL/TLS
● Cloud support: MQTT via AWS IOT, Thingsboard, Alibaba Cloud, EMQX, Tuya, Cumulocity IoT and so on.
● EFT/Surge IEC 61000-4-5 Level 3
● ESD IEC 61000-4-2 Level 3
● Hardware watchdog
● SMS, NET, Serial AT command configuration
Specification Parameters
| Model | USR-DR502-E | |
| LTE Category | LTE Cat.1 | |
| Frequency Bands | LTE FDD | B1/B3/B7/B8/B20/B28 |
| GSM/GPRS/EDGE | 900/1800MHz | |
| Transmission Speed | LTE FDD Rel.13 | 10MbpsDL/5Mbps UL |
| GPRS | 85.6KbpsDL/85.6Kbps UL | |
| TX Power | FDD:B1/3/7/8/20/28 | 23dBm±2dB |
| GSM:900MHz | 33dBm±2dB | |
| GSM:1800MHz | 30dBm±2dB | |
| Rx Sensitivity | GSM:900MHz | -109.5dBm |
| GSM:1800MHz | -108dBm | |
| FDD:B1/3/20 | -98dBm | |
| FDD:B7 | -97.5dBm | |
| FDD:B8/B28 | -98.5dBm | |
| Serial Parameters | NO. | RS485(Terminal)*1 |
| Data Bits | 8 | |
| Stop Bits | 1,2 | |
| Parity Bits | NONE, ODD, EVEN | |
| Baud Rate | 1200～230400 | |
| Physical Interfaces | SIM/USIM card | 1.8V/3V(with slot) |
| Antenna | SMA Female | |
| USB | USB 2.0 | |
| Indicators | POWER, WORK, NET, LINK, RSSI | |
| Reload | Button | |
| Reset | – | |
| Hardware Characteristics | Input Voltage | 9V～36V |
| Power Consumption | <3W | |
| Connector | Terminal | |
| Housing material | ABS Plastic | |
| Dimensions(mm) | 44.5×31.8×13.94 (L*W*H) | |
| Operating temperature | -30℃～+75℃ | |
| Storage Temperature | -40℃～85℃ | |
| Operating humidity | 5%～95% | |
| Storage humidity | 5%～95% | |
| Software | Protocol | TCP/UDP/IPV4/IPV6/ /DNS/HTTP/MQTT/SSL/TLS |
| RNDIS | Default Close | |
| Serial to network | 4 sockets, default A | |
| SMS | PDU/TEXT | |
| Configuration | Serial, Net, SMS AT commands | |
| Cache | 20 packets*4K Bytes | |
| Packaging mechanism | Packaging time(ms) | 10~500, default50 |
| Packaging length(byte) | 5～65535, defalut1024 | |
| Others | Tool | USR-Cat1Configuration Utility |
| Certifications | CE, RoHS |