UART to GPRS USR-GM3 GSM Module GPRS DTU Embedded Wireless Transparent Transmission
Item | Description | |
Name | USR-GM3 | GPRS module |
Network | Standard | GSM / GPRS |
Rate | 14.4 Kbps ~ 57.6 Kbps | |
Standard frequency band | 850/900/1800/1900MHz quad-band | |
GPRS Multi-slot Class | GPRS Class 10 | |
GPRS Terminal Device Class | Class B | |
GPRS Coding Schemes | CS1 ~ CS4 | |
Transmit power | GSM900 class4 (2W), DCS1800 class1 (1W) | |
Application method | GSM standard AT command set / Someone extended AT command set / Data transmission / Short message transmission / HTTPD | |
Network protocol | TCP, UDP, DNS, Httpd client | |
Network cache | Send: 4K bytes, receive: 4K bytes | |
Serial port | Number of ports | 1 |
Interface standard | TTL serial port: SMD type 2.8 ~ 3.6 V | |
Data bit | 7,8 | |
Stop bit | 1,2 | |
Check Digit | None, Even, Odd | |
Baud rate | 2400 bps ~921600bps | |
Flow Control | CTS/RTS | |
Cache | Send and receive 4K bytes each | |
Device | SIM card | 1.8V / 3V |
Voice interface | 1 way MIC input, 1 way SPEAK output | |
Software | Virtual serial port (USR-VCOM) | Windows 2000 or higher (32 bit / 64 bit) |
Configuration method | Host computer setting software, serial command, SMS com mand, network com mand | |
Basic parameters | Size | 27.94 x 24 x 3 (mm) |
Operating temperature | -25 ~ 85°C | |
Save environment | -40 ~ 125°C, 5 ~ 95% RH (no condensation) | |
Input voltage | DC 3.4 ~ 4.2 V, recommended: 3.8V | |
Working current | Average: 55 ~ 90mA, maximum: 750mA | |
More | Safety certification | CE FCC ROHS WEEE |
Accessories | PCB antenna (not includes) |
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- Description
1. GPRS module GM3 supports low power mode, users can use AT command to enter low power mode, or can turn on automatic low power mode.
The GPRS module GM3 mainly has four working modes: network transparent transmission mode, HTTPD Client, SMS transparent transmission mode, and AT command mode.
1 x Module
- Reviews (28)
- All(28)
- Q & A
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: Where is the origin of Elecbee products? Are they certificated?2023-03-03
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Answer:
Elecbee has long-term cooperation agreements with the OEM factories in China. So that we are able to reduce the intermediate channel cost, and help you save money. Our products are all made strictly according to the relative global standard, to ensure the products have good compatibility and excellent quality.
2023-03-03
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: What forms of payment do you accept?2023-03-03
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Answer:
Our main payment methods include Paypal, Credit Cards, Debit Cards, Bank Transfer, and more to discover. Please choose the payment methods in your favor.
2023-03-03
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: When will you arrange shipment?2023-03-03
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Answer:
After confirming receipt of your payment. We will arrange the delivery as soon as possible and upload the courier number to the website for you to track.
2023-03-03
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: How to exchange or return?2023-03-03
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Answer:
1. You can apply to return within 30 days after receipt of the goods. Please make sure the outside package is intact, and the product is in its original condition. We will arrange your refund according to the relevant provisions once the package is received.
2. Return process: You Apply for a Return - Approve the Return - Arrange a Return - Receive the Products and make Inspection - We arrange a Refund;
3. We will bear the freight charges for returns caused by us, for instance, the quality problem. As to returns caused by the buyer, the buyer should be responsible for the shipping fee.
2023-03-03
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