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Help CenterUSR-GM3 SMT Type UART TTL to GPRS DTU Low Cost GPRS Module Serial to GPRS
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Introduction
This is a serial uart to gprs module,used for data transparent transmission.USR-GM3 is highly-integrated UART to GSM/GPRS module.Users can easily make communication with it among serial device,cellphone and network device.USR-GM3 is an embedded GSM module. It is designed for embedded system, and it is so small and convenient that you can integrate it to your system easily.
Features
- Small and completed function GPRS DTU, transmission between serial and GPRS
- Support GSM850/900,DCS1800/1900
- Support GSM/GPRS/EDGE and 2G/3G/4G card, but don't support 3G/4G network
- Support 2 sockets, Support TCP and UDP
- 4KB cache for each of sockets, user can choose to cache data or not
- Support register packet and heartbeat packet
- Support setting parameters via SMS message
- Support 3 work modes: SMS transmission mode, network transmission mode and HTTPD mode
- Support basic and extend AT command sets
- Support class RFC2217, can dynamically modify serial parameter of module via network
- Support flow control: RTS/CTS
- Support RS485
Parameter
- Working Voltage: 3.40V~4.2V
- Working Current: average 55mA~80mA, maximum 750mA
- Working Temperature: -25~+85°C
- Storage Temperature: -40~+125°C
- Storage Humidity: 5%~95%RH
- Max Launch Power: GSM900 class4(2W),DCS1800 class1(1W)
- Working Frequency: 850/900/1800/1900MHz
- Size: 27.9 x 24 x 3 mm
- Network Protocol: TCP, UDP, DNS, Http
Structure
Application Field
1.Agricultural IOT Environment Monitoring Solution
2.Charging Pile Data Real-time Transmission Solution
3.City Bus Real-time Data Acquisition Solution
4.Remote POS Online Payment Solution
Jinan USR IOT Technology Limited has been focusing on IOT and M2M field for more than 6 years. We offer networking products
such as serial device server, Ethernet module/server, GPRS DTU, WIFI module and remote relay. We have professional R&D
teams for hardware and software, phone APP and server. And we can provide OEM & ODM service for clients.Our company has
rich experience in system solutions such as smart home system, intelligence fire, agricultural network,temperature and humidity
acquisition, industrial control, attendance, entrance guard system and remote control.
- Service: 2 years guarantee, and professional technical staff help.
- Supply ability: We usually have 3000-5000 units in stock for urgent orders.
- Capacity: 50K/week, can meet the demand of most enterprises application.
- Lifetime: At least 5 years for each device, can still produce just if you need.
- Cooperation: Welcome the cooperation with distributors all over the world.
Shipping ways
- Southeast Asia, Mid East and Australia: Egypt, Israel, Pakistan, Turkey, India, Singapore, Thailand, New Zealand ect. We choose DPEX or ARAMEX. It may take 7-15 days.
- Russian Federation: we only send orders by EMS or CPAM. It will take 20-45 days.
- South America: Brazil, Chile, Peru, Argentina, Columbia ect. We choose EMS or CPAM for shipping.It will take 20-45 days. If you really need DHL, please contact us.
-
North America and Most of Europe: We choose DHL, except cities that DHL can not reach. It will take 7-10 days.
Return/refund policy
- If you get a defective item and you do not like the item we send to you, Please contact us within 5 days after you receive your order. item must be returned with its original packaging and accessories.Customer is responsible for shipping charges of returned item.We will refund the money to you when we get the returned item. Or we can send you a new one according to your demand.
- if item is lost in the transportation, we will fully refund to you.
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