1. Introduction
The GOBOOST Cellular Amplifier is designed to improve mobile phone signal reception in areas with weak or unstable cellular coverage. This device acts as a network repeater, boosting 2G, 3G, and 4G signals across various frequency bands, specifically tailored for use with Ukrainian operators such as Kyivstar, Lifecell, Vodafone, and 3Mob. Experience clearer calls, faster data speeds, and eliminate signal 'dead zones' in your home, office, basement, or rural areas.
Figure 1: GOBOOST Cellular Amplifier Kit Components
Figure 2: Compatible Ukrainian Operators
2. Specifications
| Feature | Description |
|---|---|
| Brand Name | GOBOOST |
| Model Number | KW-DCS(GB17.2) |
| Frequency | 900/1800/2100Mhz |
| Network Type | LTE |
| High Gain | 68dB |
| Output Power | 17dBm |
| Coverage | 200-800sqm (without obstacles) |
| RF Connector | N-Female |
| Impedance | 50 ohm |
| Power Supply | AC:100~240V, 50/ 60Hz, DC:5V 1A |
| Function | Enhance mobile phone GSM 2G 3G 4G signal |
| Feature | LCD display to show signal status; Heat dissipation design |
| Suitable for | Ukraine |
| Operators used in Ukraine | Kyivstar, Lifecell, Vodafone, 3Mob |
| Certification | CE, FCC, RoHS |
Frequency Band Details:
| Band | Uplink Frequency | Downlink Frequency |
|---|---|---|
| 2G GSM 900mhz (Band 8) | 890-915MHz | 935-960MHz |
| 4G band3 1800mhz (Band 3) | 1710-1785MHz | 1805-1880MHz |
| 3G Band1 2100mhz (Band 1) | 1920-1980MHz | 2110-2170MHz |
3. What's in the Box
Figure 3: Package Contents
Your GOBOOST Cellular Amplifier kit includes the following components:
- 1 x GOBOOST Signal Repeater (Booster Unit)
- 1 x Indoor Whip Antenna
- 1 x Outdoor Yagi Antenna
- 1 x 10-meter Coaxial Cable (N-Male connectors)
- 1 x Power Supply (EU Plug)
Figure 4: Outdoor Yagi Antenna Details
Figure 5: Indoor Whip Antenna
Figure 6: 10-meter Coaxial Cable
4. Installation Guide
Follow these steps to properly install your GOBOOST Cellular Amplifier:
4.1. Unboxing and Initial Setup
Video 1: Unboxing and Basic Connection Demonstration
4.2. Step-by-Step Installation
- Step 1: Position the Outdoor Antenna
Search for a location where you can receive a strong and stable signal (stronger than -70dB). Install the outdoor Yagi antenna at this location, pointing it towards the nearest base station or cell tower. Ensure it is securely mounted.
Figure 7: Outdoor Antenna Placement and Distance Recommendation - Step 2: Connect Outdoor Antenna to Booster
Use the provided 10-meter coaxial cable to connect the outdoor antenna to the 'BTS' port on the signal booster. Ensure the connectors are tightened securely to prevent signal loss.
Figure 8: Connecting Outdoor Antenna to Booster - Step 3: Connect Indoor Antenna to Booster
Connect the indoor whip antenna to the 'MS' port on the signal booster.
Figure 9: Connecting Indoor Antenna to Booster - Step 4: Power On
After all connections are made and checked for tightness, connect the power supply to the booster unit and plug it into an electrical outlet. The LCD display on the booster should light up.
4.3. Important Installation Notes:
- The outdoor and indoor antennas must be separated by a brick wall.
- Maintain a minimum distance of at least 10 meters (vertical) or 15 meters (horizontal) between the outdoor and indoor antennas to prevent self-oscillation and ensure optimal performance.
Figure 10: Antenna Separation Diagram
Figure 11: Wall-hanging Design
5. Working Principle
The GOBOOST Cellular Amplifier operates on a simple yet effective principle to enhance your mobile signal:
- Receives Signal: The powerful outdoor antenna captures weak cellular signals from the nearest base station or cell tower.
- Boosts Signal: The signal booster unit receives this weak signal, amplifies it significantly, and acts as a relay between your mobile phone and the cell tower.
- Broadcasts Signal: The amplified signal is then transmitted by the indoor antenna, providing improved cellular reception to your devices. Simultaneously, your phone's outgoing signals are captured by the indoor antenna, amplified by the booster, and sent back to the network via the outdoor antenna.
Figure 12: Signal Repeater Working Principle
6. Operating Instructions
Once installed and powered on, the GOBOOST Cellular Amplifier operates automatically. The LCD display on the booster unit provides real-time information about the signal status, allowing you to monitor its performance.
Figure 13: Intelligent Performance and LCD Display
The booster is designed for continuous operation, providing a stable and strong signal for multiple users simultaneously. Its metal casing and heat dissipation design ensure durability and efficient cooling.
Figure 14: Application Scenarios
7. Troubleshooting
If you encounter issues with your GOBOOST Cellular Amplifier, refer to the following common problems and solutions:
- Problem: No signal on the display and phone.
Solution: Adjust the outdoor antenna. Place it at a higher position and ensure it receives a good signal from the base station. Also, verify that the frequency of your booster matches your operator's frequency band. - Problem: The display is blinking and the signal light isn't on.
Solution: This indicates an unstable incoming signal. Adjust the position and direction of the outdoor antenna until the blinking stops and the signal becomes stable. - Problem: The signal is at maximum on the booster, but the phone signal does not improve.
Solution: This is often due to a 'self-oscillation phenomenon'. You need to increase the physical distance between the indoor and outdoor antennas. Ensure they are separated by a solid brick wall and maintain at least 10 meters (vertical) or 15 meters (horizontal) distance. Make sure there are no openings or direct line of sight between them. - Problem: The booster works properly, but the signal light is not on.
Solution: Check the coaxial cable length and connections. Ensure all antenna connections are tight and secure. While the signal light provides status, if the device is working effectively, this might not be a critical issue.
For any other problems or installation assistance, please contact customer support.
8. User Tips
- Frequency Check: Always verify your mobile operator's frequency bands before purchasing and installing the booster to ensure compatibility.
- Antenna Placement is Key: The performance of your booster heavily relies on the optimal placement of the outdoor antenna. Experiment with different heights and directions to find the strongest signal.
- Maintain Separation: Strict adherence to the recommended separation distance and physical barrier (brick wall) between indoor and outdoor antennas is crucial to prevent interference and maximize signal amplification.
9. Safety Information
The GOBOOST Cellular Amplifier is designed with user safety in mind. It adheres to international communication equipment production standards and is certified with CE, FCC, and RoHS, ensuring low radiation and safe operation.
Figure 15: Daily Radiation Value Comparison
As shown in Figure 15, the signal amplifier emits a significantly lower radiation value compared to other common electronic devices, contributing to a safer environment for you and your family.
10. Warranty and Support
Your GOBOOST Cellular Amplifier comes with a one-year warranty. If you experience any issues with the product, please follow these guidelines:
- Product Defects: While products are thoroughly checked and tested before shipping, if your product arrives broken, please contact customer support immediately for a replacement.
- Troubleshooting Assistance: For any problems related to the product or installation, provide videos or pictures to clearly demonstrate the issue. Our support team will offer suggestions and solutions.
- Contact Support: For any concerns, please reach out to customer support. We are committed to providing prompt assistance.
