1. Introduktion
This manual provides detailed instructions for the installation, operation, and maintenance of the Dilwe SIM7600G-H 4G DONGLE LTE USB Modem. This device is designed to provide high-speed 4G network connectivity for various applications, including industrial computers, PCs, and other IoT devices. Please read this manual thoroughly before using the product to ensure proper functionality and safety.
2. Pakkens indhold
Bekræft, at alle nedenstående varer er til stede i din pakke. Hvis der mangler eller er beskadigede varer, bedes du kontakte kundesupport.
- 1 x SIM7600G-H 4G DONGLE
- 1 x LTE-antenne
- 1 x USB-forlængerkabel
- 5 x skruer
- 1 x skruetrækker
- 1 x Connection Line

Billede 2.1: Package contents including the 4G DONGLE, LTE antenna, USB extension cable, screws, screwdriver, and connection line.
3. Produktet er slutview
The Dilwe SIM7600G-H 4G DONGLE is an industrial-grade LTE USB adapter designed for reliable 4G communication. It features a SIM card slot, USB and UART communication interfaces, and LED indicators for status monitoring.

Billede 3.1: Front view of the SIM7600G-H 4G DONGLE with the LTE antenna attached.
3.1. Komponenter og grænseflader
- USB-port: For connecting to a host device (PC, industrial computer, Raspberry Pi).
- UART-port: For serial communication (5V, GND, TXD, RXD, CTS, RTS).
- LTE Antenna Interface: For connecting the included LTE antenna.
- Nano SIM-kortplads: Supports 1.8V / 3V Nano SIM cards (card not included).

Billede 3.2: Overview of key features: 4G communication, USB/UART interface, multi-system support, and GNSS positioning.
3.2. LED-indikatorer
The device features three LED indicators to display its operational status:
- NET (Network LED): Angiver status for internetforbindelse.
- STA (Status LED): Angiver modulets driftsstatus.
- PWR (Power LED): Angiver strømforsyningens status.

Billede 3.3: Detaljeret view of the LED indicators (NET, STA, PWR), USB port, and UART port on the device.
3.3. SIM-kortplads
The SIM7600G-H 4G DONGLE includes an onboard Nano SIM card slot with a sliding cover for easy insertion and removal of the SIM card.

Billede 3.4: The Nano SIM card slot with its sliding cover, designed for easy access.
4. Opsætning
Follow these steps to set up your Dilwe SIM7600G-H 4G DONGLE.
- Indsæt SIM-kort: Open the sliding cover of the SIM card slot and carefully insert a Nano SIM card (1.8V or 3V) into the slot. Ensure it is correctly oriented. Close the sliding cover.
- Attach LTE Antenna: Screw the provided LTE antenna onto the antenna interface of the 4G DONGLE. The antenna is rotatable for optimal signal reception.
- Opret forbindelse til værtsenhed: Plug the 4G DONGLE into an available USB port on your PC, industrial computer, or Raspberry Pi. Use the USB extension cable if needed.
- Driver installation: The device requires specific drivers for Windows and Linux operating systems. Drivers are typically available from the manufacturer's support website. For this model, drivers can be found at waveshare.net/wiki/SIM7600G-H_4G_DONGLE. Download and install the appropriate driver for your operating system.
- Systemkonfiguration: After driver installation, configure your operating system to recognize and use the 4G DONGLE for network access. This usually involves enabling cellular data in network settings.

Billede 4.1: The 4G DONGLE supports Windows and Linux operating systems.
5. Betjeningsvejledning
Once the setup is complete, you can begin using your 4G DONGLE for internet access.
5.1. Netværksforbindelse
- Sørg for, at SIM-kortet har et aktivt dataabonnement.
- After connecting the DONGLE and installing drivers, your operating system should detect it as a network adapter.
- Enable cellular data in your system's network settings. The DONGLE will attempt to connect to the 4G network.
- Monitor the NET LED indicator: A steady light typically indicates a successful connection.

Billede 5.1: The 4G DONGLE provides high-speed internet access for various host devices.
5.2. Data Communication
The SIM7600G-H supports various communication protocols and interfaces:
- Internetadgang: NDIS/RNDIS/PPP
- protokoller: TCP/IP/IPV4/IPV6/Multi-PDP/FTP/FTPS/HTTP/HTTPS/DNS
- Short Message Service (SMS): Supports MT, MO, CB, Text, PDU
- GNSS: Supports GPS, Beidou, Glonass, LBS base station positioning

Billede 5.2: The device supports global 2G, 3G, and 4G communication bands.
6. Vedligeholdelse
To ensure the longevity and optimal performance of your 4G DONGLE, follow these maintenance guidelines:
- Hold enheden ren og fri for støv og fugt.
- Undgå at udsætte enheden for ekstreme temperaturer eller direkte sollys.
- Ensure the antenna is securely attached but do not overtighten.
- Handle the SIM card slot and USB connector with care to prevent damage.
- Regularly check for updated drivers on the manufacturer's webwebsted for at sikre kompatibilitet og forbedret ydeevne.
7. Fejlfinding
If you encounter issues with your 4G DONGLE, refer to the following common troubleshooting steps:
- Ingen netværksforbindelse:
- Verify that the SIM card is correctly inserted and has an active data plan.
- Ensure the LTE antenna is securely attached.
- Check if the drivers are correctly installed for your operating system.
- Confirm that cellular data is enabled in your device's network settings.
- Try connecting the DONGLE to a different USB port or another computer to rule out port or host device issues.
- Langsom forbindelseshastighed:
- Ensure the antenna is positioned for optimal signal reception.
- Check your location for 4G network coverage.
- Verify your SIM card's data plan speed limits.
- Enhed ikke genkendt:
- Geninstaller driverne.
- Sørg for, at USB-forbindelsen er sikker.
- Check your operating system's device manager for any error messages related to the DONGLE.
8. Specifikationer
Detailed technical specifications for the Dilwe SIM7600G-H 4G DONGLE.
| Feature | Beskrivelse |
|---|---|
| Model | SIM7600G-H |
| Materiale | ABS |
| LTE-TDD Frequency Bands | B34/B38/B39/B40/B41 |
| LTE-FDD Frequency Bands | B1/B2/B3/B4/B5/B7/B8/B12/B13/B18/B19/B20/B25/B26/B28/B66 |
| 3G frekvensbånd | UMTS/HSDPA/HSPA+: B1/B2/B4/B5/B6/B8/B19 |
| 2G frekvensbånd | GSM/GPRS: 850/900/1800/1900MHz |
| GNSS support | GPS, Beidou, Glonass, LBS base station positioning |
| Gældende område | Universel |
| LTE Cat-4 Data Rate | 150Mbps (DL) / 50Mbps (UL) |
| 3G (HSPA+) Data Rate | 42Mbps (DL) / 5.76Mbps (UL) |
| 2G Data Rate | 236.8Kbps (DL) / 236.8Kbps (UL) |
| 2G (GPRS) Data Rate | 85.6Kbps (DL) / 85.6Kbps (UL) |
| Operativsystemsupport | Windows, Linux |
| Kommunikationsgrænseflader | USB, UART |
| UART Baud Rate | 300bps - 4Mbps (default: 115200bps) |
| Understøttet SIM-kort | Nano SIM Card (1.8V / 3V) |
| Antennegrænseflade | LTE |
| Forsyning Voltage | 5V |
| Logic Voltage | 3.3V |
| Varens vægt | 5 ounce |
| Pakkedimensioner | 6.26 x 4.17 x 1.34 tommer |
8.1. UART Pinouts
| Stift | Fungere |
|---|---|
| 5V | 5V DC indgang |
| GND | Strømforbindelse |
| TXD | Dataoverførsel |
| RXD | Datamodtagelse |
| CTS | Hardware flow control, Clear To Send (NC if not used) |
| RTS | Hardware flow control, Request To Send (NC if not used) |

Billede 8.1: UART pinout details for advanced users.
9. Garanti og support
Oplysninger vedrørende produktgaranti og kundesupport var ikke tilgængelige i de angivne data. Se venligst produktemballagen eller producentens officielle website for details on warranty coverage, technical support, and service options.