USR-GPRS232-7S3 is a plug-in GPRS module, which realizes the two-way transparent transmission function of UART to GPRS; Support GSM/GPRS network; Support 4 network links online at the same time, support TCP/UDP Client; Support sending registration packet/heartbeat packet data; Support SMS setting module parameters; Support SMS transparent transmission, network transparent transmission, HTTPD, UDC and other working modes; Support FTP remote upgrade and other functions.
Wireless parameters | Wireless standards | GSM/GPRS/EDGE |
Standard frequency bands | 850/900/1800/1900MHz quad band | |
Transmit power | GSM900 class4（2W） | |
DCS1800 class1（1W） | ||
GPRS Terminal Device Class | Class B | |
GPRS Multi-slot Class | GPRS Class 10 | |
GPRS Coding Schemes | CS1 ~ CS4 | |
Antenna options | I-PEX interface | |
Hardware parameters | Data interface | UART：2400bps - 921600bps |
Operating voltage | DC 5V~16V | |
Operating current | Average 35mA-48mA maximum: 394mA (12V) | |
Operating temperature | -25℃- 85℃ | |
Storage temperature | -40℃- 125℃ | |
Size | 45 x 32 x 14 (mm) with pins | |
Software parameters | The type of wireless network | GSM/GPRS/EDGE |
Working mode | Transparent transmission mode, SMS transparent transmission mode HTTPD mode | |
Set commands | AT+ command structure | |
Network protocols | TCP /UDP/ DNS/HTTP | |
Maximum number of TCP connections | 2 | |
User configuration | Serial AT commands, network AT commands, SMS AT command | |
Customer application software | Support customer-specific application software | |
Software Features | DNS domain name | In the tank |
Simple transparent transmission method | TCP client and UDP client are supported | |
HTTP protocol transmission | In the tank | |
Transparent text message transmission | In the tank | |
Heartbeat packets | In the tank | |
Class RFC2217 | In the tank | |
Enrollment package mechanism | Custom/ICCID registration packages are supported |
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Customer Q&A
Q How to make a payment?
E****R 18/11/2024
A We accept various payment methods including bank transfers, credit cards, and PayPal. Please refer to our payment page during checkout for detailed instructions on how to complete your payment. If you have any questions or need assistance with payment, please contact our customer support team.
18/11/2024
Q How will the products be shipped?
T****k 16/08/2024
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16/08/2024
Q How is warranty provided?
L****Y 08/05/2024
A We offer a warranty on all of our products. The warranty period and conditions vary depending on the product category. For specific warranty information, please refer to the product page or your purchase agreement. If you encounter any issues with a product during the warranty period, please contact our customer service team with your proof of purchase, and we will guide you through the warranty claim process.
08/05/2024
