1. 제품 오버view
The TELECO WFT402 is a versatile portable Wi-Fi router designed to provide internet connectivity using a SIM card. It supports GSM, 3G, 4G, and LTE signals, converting them into a Wi-Fi hotspot with a coverage area of approximately 30 square meters. This device is ideal for mobile environments such as cars, campers, boats, or small offices, thanks to its flexible power options (12V DC and 230V AC).
The WFT402 is a Category 4 router capable of supporting up to 4 devices simultaneously, including smartphones, tablets, smart TVs, and other Wi-Fi enabled peripherals. It features an internal antenna for good signal reception and includes two SMA ports for connecting external antennas to enhance signal strength.

이미지 1.1: 앞면 view of the TELECO WFT402 Portable Wi-Fi Router, showing LED indicators for system status, network, signal strength, SIM, Wi-Fi, WPS, Ethernet, and 4G connectivity.

Image 1.2: Illustration of the TELECO WFT402 router installed in a camper, demonstrating its Wi-Fi signal coverage for mobile use.
2. 설정 지침
2.1. 패키지 내용
계속하기 전에 모든 구성 요소가 있는지 확인하세요.
- TELECO WFT402 Wi-Fi Router
- Power Adapter (for 230V AC)
- (Optional) 12V DC Power Cable (may be included or sold separately for vehicle use)
- 사용 설명서 (본 문서)
2.2. SIM 카드 설치
- 라우터의 전원이 꺼져 있는지 확인하십시오.
- Locate the SIM card slot, typically on the side or back of the device. The WFT402 uses a 2FF SIM card (standard size).
- Insert your activated 3V or 1.8V SIM card into the push-push slot until it clicks into place. Ensure correct orientation as indicated on the device.
2.3. 전원 연결
The WFT402 router supports two power input methods:
- 230V 교류 전원: Connect the provided power adapter to the router's DC 12V/1A input port and then plug it into a standard wall outlet.
- 12V DC 전원: For mobile applications (e.g., in vehicles), connect a compatible 12V DC power cable (not always included) to the router's DC 12V/1A input port.

이미지 2.1: 상세 view of the router's rear panel, highlighting the WAN/LAN port, ON/OFF switch, and DC 12V power input.
2.4. 외부 안테나 연결 (선택 사항)
The router is equipped with an internal antenna. For improved signal reception, especially in areas with weak cellular coverage, you can connect one or two external antennas:
- Locate the two SMA connectors on the back of the router.
- Carefully screw the external antenna(s) onto the SMA connectors until secure.
- Position the external antenna(s) for optimal signal reception.

이미지 2.2: 후면 view of the router, illustrating the SMA ports for connecting optional external antennas.
3. 운영
3.1. 전원 켜기 / 끄기
- 전원을 켜려면: Press the "ON/OFF" button located on the rear panel. The LED indicators on the front will illuminate.
- 전원을 끄려면: Press and hold the "ON/OFF" button until the LED indicators turn off.
3.2. LED 표시기
The front panel features several LED indicators to show the router's status:
- SYS : 시스템 상태 표시기.
- 그물: 네트워크 활동 표시기.
- RF : Radio Frequency signal strength (multiple bars).
- 심: SIM card status.
- 와이파이: Wi-Fi network status.
- WPS : Wi-Fi Protected Setup status.
- ETH1 : 이더넷 포트 상태.
- 4세대: 4G LTE connectivity status.
3.3. Wi-Fi를 통한 장치 연결
- Ensure the router is powered on and the WIFI LED is active.
- 사용하시는 기기(스마트폰, 태블릿, 노트북)에서 사용 가능한 Wi-Fi 네트워크를 검색하세요.
- Select the Wi-Fi network name (SSID) broadcast by the WFT402 (usually found on a label on the router).
- Enter the Wi-Fi password (also found on the router's label) when prompted.
- 이제 귀하의 기기가 인터넷에 연결되었습니다.
3.4. Using the WPS Function
WPS (Wi-Fi Protected Setup) allows for easy connection of compatible devices without manually entering the password:
- Press the WPS button on the router (refer to the device layout for exact location). The WPS LED will start blinking.
- 2분 이내에 클라이언트 장치에서 WPS 기능을 활성화하십시오.
- 장치가 자동으로 연결됩니다.
3.5. 액세스 Web 인터페이스
For advanced settings and configuration, you can access the router's web기반 관리 인터페이스:
- Connect your computer to the router via Wi-Fi or an Ethernet cable (WAN/LAN port).
- 열기 web browser and enter the router's default IP address (usually 192.168.1.1 or similar, check the router's label or manual for the exact address).
- Enter the default username and password (also found on the router's label or in the quick start guide).
- You can now configure settings such as Wi-Fi name, password, security protocols (OPEN/WPA-PSK/WPA2-PSK), firewall rules, and more.
4. 유지관리
4.1. 청소
최적의 성능과 외관을 유지하려면:
- Wipe the router's exterior with a soft, dry cloth.
- Avoid using liquid cleaners, aerosols, or abrasive materials.
- Ensure no dust accumulates in the ventilation openings.
4.2. 소프트웨어 업데이트
The WFT402 supports software updates via TR069 and local update methods. Regularly checking for and applying updates can improve performance, security, and add new features. Refer to the router's web interface or the manufacturer's web업데이트 절차 관련 사이트입니다.
4.3. 장치 재설정
If the router experiences issues or you wish to restore factory settings, you can perform a reset:
- With the router powered on, locate the reset pinhole (often labeled "RST" or "Reset") on the rear panel.
- 클립이나 이와 유사한 뾰족한 물체를 사용하여 재설정 버튼을 약 5~10초 동안 누르고 계십시오.
- Release the button when the LED indicators flash or the router restarts.
- The router will revert to its factory default settings, and you will need to reconfigure it.
5. 문제 해결
- 인터넷에 연결되지 않음:
- SIM 카드가 올바르게 삽입되고 활성화되었는지 확인하세요.
- Verify that the SIM LED is active and the 4G LED indicates a stable connection.
- Ensure there is cellular signal in your location (check RF signal strength LEDs).
- 라우터를 다시 시작합니다.
- 느린 Wi-Fi 속도:
- Check the cellular signal strength (RF LEDs). Weak signal will result in slower speeds.
- 기기와 라우터 사이의 거리를 줄이세요.
- Ensure no obstacles are blocking the Wi-Fi signal.
- Consider connecting an external antenna for better reception.
- Limit the number of connected devices if performance is critical.
- 라우터 전원이 켜지지 않음:
- Verify that the power adapter is securely connected to both the router and the power outlet.
- 전원 콘센트가 작동하는지 확인하세요.
- 전원 스위치가 '켜짐' 위치에 있는지 확인하십시오.
- Wi-Fi에 연결할 수 없습니다:
- Wi-Fi 비밀번호를 다시 한번 확인하세요.
- Ensure the WIFI LED is illuminated.
- Try restarting both the router and your client device.
- If you recently changed Wi-Fi settings, try resetting the router to factory defaults (see Section 4.3).
6. 기술 사양
| 상표 | Teleco |
| 모델 번호 | WFT402 |
| 무선 통신 표준 | 802.11억 |
| RF 사양 | GSM900/1800; UMTS:2100/900; LTE Bands: 800(B20), 900(B8), 1800(B3), 2100(B1), 2600(B7) |
| Wi-Fi 칩셋 | RTL8192 (2.4 GHz, Wi-Fi 2x2 MIMO, 802.11 b/g/n) |
| 성능 | LTE CAT 4, FDD-LTE 150 Mbps (Download) / 50 Mbps (Upload) |
| MIMO 지원 | DL 2x2 MIMO |
| 베이스밴드 칩셋 | Qualcomm MDM9x07 |
| RF 칩셋 | Qualcomm WTR2965 |
| 메모리 | 4GB + 2GB |
| 전력 소비 | 12와트 |
| 전원 공급 장치 | DC 12V/1A (supports 12V DC and 230V AC with adapter) |
| USIM/SIM Card | 2FF SIM Card, supports 3V and 1.8V SIM cards, 6-pin standard interface, internal push-push slot |
| LED 표시등 | Power, WAN Signal Strength, Wi-Fi/WPS, WAN/LAN Status, Internet Connection Status |
| USB 포트 | 1개의 USB 2.0 |
| 외부 안테나 | 2 x SMA 커넥터 |
| 버튼 | 전원, 재설정, WPS |
| 이더넷 | 1 x WAN/LAN 10BaseT/100Base/1000Base automatic adaptive port |
| 보안 | OPEN/WPA-PSK/WPA2-PSK/WPA-PSK/WPA2-PSK; Firewall Mac/IP address |
| IP Support | IPv4, IPv6 |
| 운영 체제 | A form of Linux |
| 무게 | 1킬로그램 |
| 색상 | 검은색 |
7. 보증 및 지원
Information regarding spare parts availability and guaranteed software updates is not available in the provided product data. For specific warranty details, technical support, or inquiries about spare parts, please refer to the documentation included with your purchase or contact Teleco customer service directly.
You can typically find contact information for Teleco on their official web사이트나 소매업체를 통해 구매하세요.





