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The USR-G771 is the first Cat-1 DTU launched by the Manned Internet of Things. The product has the characteristics of high speed and low latency, and supports Cat-1 network access of the three major operators, as well as 2G network access of China Mobile and China Unicom. The product adopts industrial-grade design standards, built-in independent hardware watchdog, and supports FOTA remote upgrade to provide guarantee for high reliability. Wide voltage terminal power supply, RS232 and RS485 two standard terminal interfaces, customers are more convenient to use, and the applicability is stronger; The product comes with a guide rail buckle, which is easy to install.
Parameters | Description | |
Basic parameters | USR-G771 | Supports mobile 2G/LTE Cat-1 |
China Unicom 2G/LTE Cat-1 is supported | ||
Telecom LTE Cat-1 is supported | ||
power supply | The power supply range is 9V~36V, and the recommended value is 12V/1A | |
Operating current | Avg. 21mA-50mA, Max: 54mA(12V) | |
Status indicator | WORK: The working status indicator flashes once in 1s normally | |
DATA: Data transfer indicator, lights up when there is data transfer | ||
LINK1/2: SocketA/B connection status indicator, lights up after connection | ||
CAT1/2G: Network connection indicator, after network connection, light up according to the connection standard | ||
Signal indicators: three, showing the signal strength | ||
SIM/USIM card | 3V/1.8V SIM card slot, 2FF specification (traditional large card) | |
USB interface | Slave, MicroUSB port, USB 2.0 High speed, | |
UART interface | Support RS232 and RS485, terminal interface, baud rate 1200~230400 (bps) | |
Antenna interface | SMA outer screw inner hole | |
Dimensions | Dimensions (mm) | 96.6×90.02×33.85 |
Weight (g) | <110g | |
Temperature range | Operating temperature | -25℃~ +75℃ |
Storage temperature | -40℃~ +90℃ | |
Humidity range | Operating humidity | 5%~95% (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 | |
GSM | GPRS Class12 has a downlink rate of 384 kbps and an uplink rate of 128 kbps | |
Frequency bands | TDD-LTE | Band 38/39/40/41 |
FDD-LTE | Band 1/3/5/8 | |
GSM | Band 3/8 | |
Power level | TDD-LTE Band 38/39/40/41 | +23dBm(Power class 3) |
FDD-LTE Band 1/3/5/8 | +23dBm(Power class 3) | |
GSM Band 8 | +33dBm(Power class 4) | |
GSM Band 3 | +30dBm(Power class 1) | |
Software Features | Working mode | Transparent transmission mode |
Set up the directive | AT+ command structure | |
Network protocols | TCP/UDP/DNS/FTP/HTTP | |
Number of sockets | 4 | |
User configuration | Serial AT command, network AT command | |
Software Features | DNS domain name | In the tank |
Simple transparent transmission method | TCP Client and UDP Client are supported | |
Heartbeat packets | Support custom heartbeat packets/SN heartbeat packets/ICCID heartbeat packets/IMEI heartbeat packets | |
Enrollment package mechanism | Custom registration packages, SN registration packages, ICCID registration packages, and IMEI registration packages are supported | |
Socket Protocol | In the tank | |
FOTA upgrades | In the tank | |
admin - September 12, 2018
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