USR G771-E LTE CAT 1 modems |cellular modems
$62.00 USD
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Basic Function
USR-G771 quickly delivers the bi-directional transparent transmission
of data at serial ports and networks.
of data at serial ports and networks.
Transparent Transmission mode
The serial device is connected with the network server through G771 to deliver bi-directional transparent transmission of data.
The product supports 4 socket links, and keeps these 4 links independent of each other.
The product supports 4 socket links, and keeps these 4 links independent of each other.
Registration Package plus
Heartbeat Package
Heartbeat Package
A registration package is sent to a server to identify the device,
and a heartbeat packet is sent to a server to judge the active state of the device.
A heartbeat packet is sent to a serial terminal to actively collect data.
and a heartbeat packet is sent to a server to judge the active state of the device.
A heartbeat packet is sent to a serial terminal to actively collect data.
Parameter Configuration
Support the parameter configuration of serial,
network and SMT AT commands, and provide the configuration tool for the PC.
network and SMT AT commands, and provide the configuration tool for the PC.
Remote FOTA Upgrade
With the remote management platform,
it can realize the automatic firmware upgrade
Have a small upgrade package of differential algorithm,
and this can save upgrade traffic and time.
it can realize the automatic firmware upgrade
Have a small upgrade package of differential algorithm,
and this can save upgrade traffic and time.
Product Details
Application Case
Quickly responding, G771 uploads the alarm data via Internet
as soon as possible, thus ensuring the safety of lives and property.
as soon as possible, thus ensuring the safety of lives and property.
Case of Agricultural IOT Environmental Monitoring
G771 can quickly upload the data collected by sensors in agricultural
greenhouses to remote servers through the LTE or GPRS network to facilitate
the control center to monitor the greenhouse dynamics
in real time and respond in time.
greenhouses to remote servers through the LTE or GPRS network to facilitate
the control center to monitor the greenhouse dynamics
in real time and respond in time.
Transmission of Charging Pile Data Through Internet
As a charging pile works, its running data can be quickly uploaded to
a cloud server through the connected G771 to help the back-end operating
personnel uniformly manage the data
a cloud server through the connected G771 to help the back-end operating
personnel uniformly manage the data
Models | USR-DR502-E | USR-G771-E | WH-LTE-7S1-E | |
LTE Category | LTE Cat.1 | LTE Cat.1 | LTE Cat.1 | |
Frequency Bands | LTE FDD | B1/B3/B7/B8/B20/B28 | B1/B3/B7/B8/B20/B28 | B1/B3/B7/B8/B20/B28 |
| GSM/GPRS/EDGE | 900/1800MHz | 900/1800MHz | 900/1800MHz |
Transmission Speed | LTE FDD Rel.13 | 10MbpsDL/5Mbps UL | 10MbpsDL/5Mbps UL | 10MbpsDL/5Mbps UL |
| GPRS | 85.6KbpsDL/85.6Kbps UL | 85.6KbpsDL/85.6Kbps UL | 85.6KbpsDL/85.6Kbps UL |
TX Power | FDD:B1/3/7/8/20/28 | 23dBm±2dB | 23dBm±2dB | 23dBm±2dB |
| GSM:900MHz | 33dBm±2dB | 33dBm±2dB | 33dBm±2dB |
| GSM:1800MHz | 30dBm±2dB | 30dBm±2dB | 30dBm±2dB |
Rx Sensitivity | GSM:900MHz | -109.5dBm | -109.5dBm | -109.5dBm |
| GSM:1800MHz | -108dBm | -108dBm | -108dBm |
| FDD:B1/3/20 | -98dBm | -98dBm | -98dBm |
| FDD:B7 | -97.5dBm | -97.5dBm | -97.5dBm |
| FDD:B8/B28 | -98.5dBm | -98.5dBm | -98.5dBm |
Serial Parameters | NO. | RS485(Terminal)*1 | RS485(Terminal)*1 RS232(DB9)*1 | TTL(3.0V)*1 |
| Data Bits | 8 | 8 | 8 |
| Stop Bits | 1,2 | 1,2 | 1,2 |
| Parity Bits | NONE,ODD,EVEN | NONE,ODD,EVEN | NONE,ODD,EVEN |
| Baud Rate | 1200～230400 | 1200～230400 | 1200～460800 |
Physical Interfaces | SIM/USIM card | 1.8V/3V(with slot) | 1.8V/3V(with slot) | 1.8V/3V(with slot) |
| Antenna | SMA Female | SMA Female | IPEX socket |
| USB | USB 2.0 | USB 2.0 | USB 2.0 |
| Indicators | POWER,WORK,NET,LINK,RSSI | POWER,WORK,NET,LINK | POWER,WORK,NET |
| Reload | Button | Button | Pin,built-in Pull-up Res |
| Reset | / | / | Pin,built-in Pull-up Res |
Hardware Characteristics | Input Voltage | 9V～36V | 9V～36V | 3.6V～4.2V/5～16V |
| Connector | Terminal | DC 5.0 Jack/Terminal | DIP |
| Housing material | ABS Plastic | Metal | / |
| Dimensions(mm) | 44.5×31.8×13.94 (L*W*H) | 82.6×86×25 (L*W*H) | 44.4×41.8×12.5 (L*W*H) |
| Operating temperature | -30℃～+75℃ | -30℃～+75℃ | -30℃～+75℃ |
| Storage Temperature | -40℃～85℃ | -40℃～85℃ | -40℃～85℃ |
| Operating humidity | 5%～95% | 5%～95% | 5%～95% |
| Storage humidity | 5%～95% | 5%～95% | 5%～95% |
Software | Protocol | TCP/UDP/IPV4/IPV6/ /DNS/HTTP/MQTT | TCP/UDP/IPV4/IPV6/ /DNS/HTTP/MQTT | TCP/UDP/IPV4/IPV6/ /DNS/HTTP/MQTT |
| RNDIS | Default Close | Default Close | Default Close |
| Serial to network | 4 sockets, default A | 4 sockets, default A | 4 sockets, default A |
| SMS | PDU/TEXT | PDU/TEXT | PDU/TEXT |
| Command mode | 6 Sockets | 6 Sockets | 6 Sockets |
| Configuration | Serial,Net,SMS AT commands | Serial,Net,SMS AT commands | Serial,Net,SMS AT commands |
| Cache | 20 packets | 20 packets | 20 packets |
Packaging mechanism | Packaging time(ms) | 10~500,default50 | 10~500,default50 | 10~500,default50 |
| Packaging length(byte) | 5～65535,defalut1024 | 5～65535,defalut1024 | 5～65535,defalut1024 |
Others | Tool | USR-Cat1Configuration Utility | USR-Cat1Configuration Utility | USR-Cat1Configuration Utility |
| Certifications | CE,ROSH | CE,ROSH | CE,ROSH |