1. Introdução
This manual provides comprehensive instructions for the installation, configuration, operation, and maintenance of the Yeacomm Industrial 4G LTE Router, model YET-R100-L. This device is designed for reliable cellular connectivity in demanding industrial environments, supporting various M2M and IoT applications.
2. Produto acabadoview
The Yeacomm YET-R100-L is a robust industrial-grade 4G LTE cellular router featuring Cat 4 LTE, Wi-Fi, multiple Ethernet ports, and serial interfaces (RS232/RS485). It offers advanced features such as VPN, WAN failover, and remote management, ensuring stable and secure network operations.

Figure 2.1: Yeacomm Industrial 4G LTE Router YET-R100-L with included antennas.
Principais características:
- 4G LTE Cellular Connectivity with WAN Failover: Ensures 99.9% uptime with automatic switching between cellular and wired WAN connections. Supports US Full Band (B2/4/5/12/13/14/66/71) with band-locking.
- Design robusto: Operates in temperatures from -40°C to 75°C, resistant to shocks and vibrations.
- Múltiplas interfaces: Includes 4 Ethernet ports, dual SIM card slots, RS232/RS485 ports, and WDT watchdog technology.
- Secure Networking: Features VPN tunneling (IPSec/OpenVPN) and WPA3 authentication for data encryption.
- Gerenciamento Remoto: Monitor network health and manage devices via Yeacomm Cloud Dashboard.
- Multi-Role Functionality: Supports AP/Client/Repeater modes for extended Wi-Fi coverage.
3. Conteúdo da embalagem
Verifique se todos os itens estão presentes na embalagem:
- 1 x Yeacomm Industrial 4G LTE Router (YET-R100-L)
- Antennas (quantity may vary based on configuration)
- Adaptador de energia (não listado explicitamente, mas implícito para o funcionamento)
- Mounting Accessories (not explicitly listed but common for industrial routers)
4. Descrição do Hardware
4.1 Layout do painel frontal

Figura 4.1: Painel frontal view of the YET-R100-L router with port labels.
- Indicadores LED: PWR (Power), SYS (System), WIFI (Wi-Fi Status), SIM (SIM Card Status), Online (Network Connection), Signal (Cellular Signal Strength).
- WIFI Antenna Port: Connector for the Wi-Fi antenna.
- LTE Antenna Ports (ANT-1, ANT-2): Connectors for the 4G LTE cellular antennas.
- Porta do console: RJ45 port for serial console access.
- Porta Ethernet WAN: RJ45 port for wired WAN connection.
- LAN Ethernet Ports (LAN-1 to LAN-4): Four RJ45 ports for local area network devices.
4.2 Layout do painel superior

Figura 4.2: Painel superior view detailing SIM card slots, power, and serial interfaces.
- Slots para cartão SIM: Dual slots for inserting 4G LTE SIM cards.
- Ranhura MicroSD: Para armazenamento expansível.
- DI/DO Terminals: Digital Input/Output for industrial control.
- GND Terminal: Conexão de aterramento.
- RELAY Terminal: Saída de relé.
- Terminal de alimentação: Input for 5-36VDC power.
- Botão RST: Reset button (recessed).
5. Instruções de configuração
5.1 Instalação da antena
- Carefully screw the Wi-Fi antenna onto the WIFI antenna port.
- Screw the two LTE antennas onto the ANT-1 and ANT-2 ports. Ensure they are securely tightened.
5.2 Inserção do cartão SIM
- Locate the SIM card slots on the top panel.
- Insert your activated 4G LTE SIM card(s) into the designated slot(s) until they click into place. Ensure the SIM card is oriented correctly as indicated on the device.
5.3 Conexão de Energia
- Connect the power adapter to the Power Supply terminal on the top panel.
- Connect the other end of the power adapter to a suitable power source. The PWR LED should illuminate.
5.4 Conexão de Rede Inicial
For initial configuration, connect a computer to one of the LAN Ethernet ports using an Ethernet cable.
6. Instruções de operação
6.1 Acessando o Web Interface
- Certifique-se de que seu computador esteja conectado a uma porta LAN do roteador.
- Abra um web No navegador, digite o endereço IP padrão: http://192.168.1.1
- Insira as credenciais de login padrão: Nome de usuário: administrador, Senha: administrador.
- Upon successful login, you will access the router's configuration interface. It is recommended to change the default password immediately for security.
6.2 Configuração Básica
- Configurações de WAN: Configure the cellular (4G LTE) or wired (Ethernet) WAN connection. For cellular, ensure the APN settings are correct for your SIM card provider.
- Configurações de lan: Adjust the router's LAN IP address, subnet mask, and DHCP server settings if necessary.
- Configurações de wifi: Configure the Wi-Fi SSID, security type (WPA2/WPA3 recommended), and password.
6.3 Recursos avançados
- VPN: Configure IPSec or OpenVPN tunnels for secure data transmission.
- Failover de WAN: Set up automatic switching between primary (e.g., wired WAN) and secondary (e.g., 4G LTE) internet connections to maintain uptime.
- Bloqueio de banda: Access advanced cellular settings to lock the router to specific LTE bands (B2/4/5/12/13/14/66/71) for optimized performance in certain areas.
- Gerenciamento Remoto: Utilize the Yeacomm Cloud Dashboard for remote monitoring, rebooting, and configuration of the router.
- M2M/IoT Integration: Configure the RS232/RS485 serial ports for connecting industrial devices and sensors. Refer to the specific protocol documentation for detailed setup.
7. Manutenção
7.1 atualizações de firmware
Regularly check the Yeacomm official weblocal (http://www.yifanwireless.com) for firmware updates. Firmware updates can provide new features, performance improvements, and security patches. Follow the instructions provided with the firmware package for a safe update process.
7.2 Reiniciar o dispositivo
To restore the router to factory default settings, press and hold the recessed RST button on the top panel for approximately 5-10 seconds while the device is powered on. Release the button when the SYS LED starts blinking rapidly. The router will then reboot with default settings.
7.3 Limpeza
Use a soft, dry cloth to clean the exterior of the router. Do not use liquid cleaners or aerosols, as they may damage the device.
8. Solução De Problemas
| Problema | Possível causa | Solução |
|---|---|---|
| Sem energia (LED PWR apagado) | Power adapter not connected or faulty; power source issue. | Check power adapter connection and power outlet. Ensure the power supply voltage is within the 5-36VDC range. |
| Sem conexão com a Internet | SIM card not inserted correctly; incorrect APN settings; no cellular signal; WAN cable disconnected. | Verifique a inserção e ativação do cartão SIM. Verifique as configurações de APN em web interface. Relocate router for better signal. Check WAN cable connection. |
| Não é possível acessar Web Interface | Incorrect IP address; network configuration issue on PC; router frozen. | Ensure PC is set to obtain IP automatically or has a static IP in the 192.168.1.x range. Try http://192.168.1.1. Reboot the router. |
| Velocidade lenta do Wi-Fi | Interference; outdated firmware; too many connected devices. | Change Wi-Fi channel. Update firmware. Limit connected devices or optimize network usage. |
9. Especificações
| Recurso | Especificação |
|---|---|
| Nome do modelo | YET-R100-L |
| Tecnologia de Conectividade | Ethernet, 4G LTE Cellular |
| Padrão de comunicação sem fio | 802.11b (Wi-Fi) |
| Classe de Banda de Frequência | Quad-Band (LTE) |
| LTE Bands Supported (US) | B2/4/5/12/13/14/66/71 |
| Portas Ethernet | 4 x LAN, 1 x WAN, 1 x Console |
| Slots de cartão SIM | Dual SIM |
| Interfaces Seriais | RS232/RS485 |
| Temperatura de operação | -40°C a 75°C |
| Entrada de energia | 5-36 VCC |
| Dimensões | 11.42 x 7.09 x 3.15 polegadas (aproximadamente) |
| Peso do item | 1.76 libras (aproximadamente) |
10. Garantia e Suporte
Yeacomm provides 24/7 technical support for its products. If you encounter any issues during the use of the YET-R100-L router, please contact the customer service team. US-based technicians are available to provide assistance, firmware updates, and compatibility optimization.
For support, please visit the official Yeacomm webou consulte as informações de contato fornecidas na documentação do seu produto.





