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USR-G776 is a second-generation manned 4G DTU product, which supports mobile, China Unicom, China Telecom 4G and China Mobile, China Unicom 3G and 2G network standards, with "transparent transmission" as the functional core, high ease of use, users can easily and quickly integrate into their own systems. The USR-G776-GNSS is based on the G776 and adds GNSS positioning function. GPS+Beidou fusion positioning function, real-time acquisition of longitude and latitude and other location information; support to connect manned cloud and Qianxun cloud, can monitor the location of equipment and view track records in real time on the cloud platform; support positioning data reporting to private cloud, can receive location information on self-built servers.
| Project | Index | |
Wireless parameters |
Wireless standards | TDD-LTE FDD-LTE WCDMA TD-SCDMA GSM/GPRS/EDGE | |
Standard frequency bands | TDD-LTE | Band 38/39/40/41 | |
FDD-LTE | Band 1/3/8 | ||
WCDMA | Band 1/8 | ||
TD-SCDMA | Band34/39 | ||
GSM/GPRS/EDGE | Band3/8 | ||
Transmit power | TDD-LTE | +23dBm(Power class 3) | |
FDD-LTE | +23dBm(Power class 3) | ||
WCDMA | +23dBm(Power class 3) | ||
TD-SCDMA | +24dBm(Power class 2) | ||
GSMBand8 | +33dBm(Power class 4) | ||
GSMBand3 | +30dBm(Power class 1) | ||
Technical Specifications | TDD-LTE | 3GPP R9 CAT4 has 150 Mbps downlink and 50 Mbps uplink | |
FDD-LTE | 3GPP R9 CAT4 has 150 Mbps downlink and 50 Mbps uplink | ||
WCDMA | HSPA+: 21 Mbps downlink and 5.76 Mbps uplink | ||
TD-SCDMA | 3GPP R9 is 2.8 Mbps downlink and 2.2 Mbps uplink | ||
GSM/GPRS/EDGE | MAX: 384 kbps downlink and 128 kbps uplink | ||
Antenna options | LTE SMA interface, GNSS SMA interface (G776-GNSS only) | ||
Hardware parameters |
Data interface | RS232：1200bps - 460800bps | |
RS485：1200bps - 460800bps | |||
Operating voltage | DC 9V~36V | ||
Operating current | Average 72mA@12V maximum 106mA@12V | ||
Standby current | Average 65mA@12V | ||
Operating temperature | -25℃- 75℃ | ||
Storage temperature | -40℃- 85℃ | ||
Dimensions (mm) | 96.6*90.02*33.85(L*W*H) | ||
GPS reception sensitivity | Capture cold start -149dBm, hot start -162dBm, trace -166dBm | ||
Horizontal positioning accuracy | 2.5m | ||
Speed accuracy | 0.1m/s | ||
Software parameters | Working mode | Transparent transport mode, HTTPD mode, UDC mode | |
Set commands | AT+ command structure | ||
Network protocols | TCP/UDP/DNS/HTTP/FTP | ||
Maximum number of TCP connections | 2 | ||
User configuration | Serial AT command, network AT command, SMS AT command | ||
Customer application software | Support customer-specific application software | ||
Software Features | DNS | In the tank | |
Simple transparent transmission method | TCP Client/TCP Server/UDP Client/UDP Server is supported | ||
Socket Distribution Protocol | Data can be sent to different sockets through the protocol | ||
HTTP protocol transfers | In the tank | ||
Heartbeat packets | In the tank | ||
Enrollment package mechanism | Support custom registration package/ICCID registration package/IMEI registration package | ||
Someone transparently transmits cloud services | In the tank | ||
Base station positioning | In the tank | ||
FTP he upgrades the protocol | In the tank | ||
FOTA upgrades | In the tank | ||
Fusion positioning (G776-GNSS only) | It supports GPS + Beidou fusion positioning, supports the connection between manned cloud and Qianxun cloud, and supports reporting to private cloud. | ||
admin - September 12, 2018
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