# 3G - 300m2 (Telkomsel/Indosat/XL Axiata/Three 3) Mobile Signal Booster ##### **Powerful Signal Enhancement** Experience crystal-clear calling and seamless internet browsing with our 3G Mobile Signal Booster. Designed to significantly amplify 3G signals on the 2100MHz frequency, it boosts connections from providers like Telkomsel, Indosat, XL Axiata, and Three (3). No more dropped calls—get ready for a reliable communication experience! ##### **Flexible Coverage Area** Covering up to 300 square meters, this mobile signal booster is ideal for medium-sized spaces such as homes, cafes, restaurants, and more. Enjoy broader, stable reception no matter where you are indoors, enhancing your connectivity with ease. ##### **All-Inclusive Kit** The complete signal booster kit includes everything you need for optimal installation: an external antenna, internal antenna, booster unit, cables, and a power adapter. Enjoy hassle-free setup with our all-in-one package, ensuring you have all the essential components for immediate use. ##### **User-Friendly Installation** Installation is straightforward and quick! Follow our simple guide to set up your signal booster in no time. Eliminate weak signals by placing the external antenna in a spot with good reception—usually on your roof—then connect the components with minimal effort. ##### **Upgrade Options Available** Maximize your system's efficiency with upgrade options including high-gain external antennas and surge protectors. Tailor your setup based on your area’s signal strength for enhanced performance whether at home or in a commercial setting. ##### **Robust Supporting Capacity** Our 3G Mobile Signal Booster can support up to 30 users simultaneously. Perfect for families or small businesses, ensure that everyone enjoys uninterrupted service and fast data connectivity without compromising on speed or performance. It boost **3G** signal on 2100MHz frequency, the frequency used in **Indonesia** used by mobile networks to deliver their mobile services: 3G, 3.5G (also known as HSDPA provides faster data rates than 3G). It work on 2100Mhz (Band 1) frequency can boost Telkomsel, Indosat, XL Axiata and Three (3) mobile operator for improving **3G** signal. It suitable for medium size, boost indoor signal areas up to **300 m2**, perfect for home, cafes, restaurants, pubs, clubs and more. * * * **Wow 3G Calls** Eliminates Dropped Calls **Consistent Connection** Reliable 3G Data **Signal Wider Coverage** Reception Up to 300 sq.m. * * * ### Upgrade External Cables If our standard package 10 meter external cable length is not enough to cover your area you have an upgrade option. ![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal cables](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/Signal-Booster-Cable.jpg?v=1693125491) * * * ### Upgrade External Aerial Higher Gain Yagi Antenna - For better performance it's a must if indoor your phone with 1/2 signal bars. Or get this upgrade if outdoor best signal strength in the following range: 2G (GSM) -76 to -90 dBm 3G (UMTS) -80 to -94 dBm 4G (LTE) -97 to -105 dBm How to shown dBm reading on phone? Check [Quick Start Guide](https://www.ukmobilebooster.com/pages/quick_start_guide) ![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal higher gain yagi antenna](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/ProductPageHigherGainYagiAntenna.webp?v=1600640184) * * * ### Upgrade Protector Lightning Surge Protector - Designed to Protect your equipment from high amperage surges due to lightning strikes on aerials or masts in close proximity to the device. This unit is rated for 18KA of current surge and is very simple to install on any device. ![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal surge protector](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/ProductPageSurgeProtector.webp?v=1600640184) * * * ### Specification (scroll to view all) Application & Bands \[3G\] (Band 1) Country Indonesia **Boost All On** Telkomsel (3G) Indosat (3G) XL Axiata (3G) Three 3 (3G) Users Supporting 30 Simultaneously Band Single Band 1 Frequency 2100MHz Gain(dB) Uplink Gp≥60; Downlink Gp≥65 Up-link 1930~1990 MHz Down-link 2110~2180 MHz Export Power(Po) ≥17dBm Power Adapter Input: AC 100V~240V 50/60Hz Output: DC 5V Kit Includes 1 x Booster 1 x Outdoor Antenna 1 x Indoor Antenna 1 x Power Adapter 1 x 10 Meters Outdoor Cable **Warming Tips:** - Band Confirmation: This booster can boost signals on Band 1, please check the band of your devices firstly. - For iPhone: Dial \*3001#12345#\* → Press call button → Click 'Serving Cell Info' → Check 'Freq Band Indicator'. - For Android: Download 'LTE Discovery' APP → Click ‘SIGNALS’ → Check 'EARFCN'. More refer to [Quick Start Guide](https://www.ukmobilebooster.com/pages/quick_start_guide) . - External Signal Needed: The signal booster can only amplify signal but can't create signal. If there is no signal outside, it won't work, please make sure you get 1-2 bars signal outside. ### Custom your solution #### **Expandable coverage by adding indoor antenna if the outside signal is strong.** ![UK Mobile Booster Expand Cell Coverage with 3 Indoor Antennas](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/Expand-Cell-Coverage-with-3-Indoor-Antenna.png?v=1700361963) ### **How It Works** ![how 4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal work for home office](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/ProductPageHIWhomeoffice-2.webp?v=1650634397) #### 1 **Receives signal** The powerful antenna reaches out to access a voice and 3G, 4G, and LTE data signal, and delivers it to the booster #### 2 **Boosts signal** The booster receives the signal, amplifies it, and serves as a relay between your phone and the nearest cell tower. #### 3 **Broadcasts signal** Your devices get increased cell reception, and calls and data are fed through the booster back to the network. #### **Get stronger signal** ![how 4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal work for home office](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/ProductPagenormalcoverage-2.webp?v=1650634397) #### Normal Cell Coverage Dropped calls and slow data are generally caused by three things: distance from a cell tower, building materials in your home or office, or obstruction from tall objects such as trees, topography, and buildings. ![how 4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal work for home office](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/ProductPageboostedcoverage-2.webp?v=1650634397) #### Signal Coverage with our booster Signal boosters increase cell signal by collecting signals with a powerful antenna, delivering those signals to the booster, amplifying the cell signals so your devices receive them, and delivering your device's boosted signals back to the cell tower. #### **Installation** 1. Connect the indoor antenna to the MS port. 2. Connect the outdoor antenna to the BS Port. 3. Install the outdoor antenna and keep a minimum vertical distance of 10 meters from the indoor antenna. 4. Point the outdoor antenna to the direction where you know there is possibly a higher signal strength from the base station. 5. Power on the booster and check the signal strength. 6. Adjust the outdoor antenna until you get the best signal strength. **IMPORTANT NOTE**: DO NOT POWER ON THE DEVICE UNTIL YOU HAVE COMPLETED THIS SETUP. Read more about [User Manual Documentation.](https://drive.google.com/file/d/1Uch5legGJsKTzLO9PTGpgsKEnZGEq7TH/view) ![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal signal coverage](https://cdn.shopifycdn.net/s/files/1/0488/4129/3976/files/Coverage.jpg?v=1698191834) ### **Application Scenarios** ![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal home application](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/application-home.png?v=1697980834) **Home** ![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal office application](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/application-office.png?v=1697980832) **Office** ![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal garage application](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/application-garage.png?v=1697980834) **Garage** ![4G LTE Mobile Signal Booster UK Networks EE Vodafone O2 Indoor Coverage Improve Signal metal buildings application](https://cdn.shopify.com/s/files/1/0488/4129/3976/files/application-metal-buildings.png?v=1697980834) **Metal Buildings** 1. What is a mobile signal booster? - A mobile signal booster is a device that helps improve the quality of your mobile phone signal. It takes weak signals from outside and makes them stronger inside your home or business. This way, you can make calls and use the internet more easily, especially when you're in places with poor reception. 2. How does the 3G - 300m2 signal booster work? - The 3G - 300m2 signal booster works by using an external antenna to catch the weak signal from outside. The booster then amplifies this signal and sends it through an internal antenna, providing better reception within an area of up to 300 square meters. This is helpful for homes, cafes, and similar places. 3. Can I install the signal booster myself? - Yes, you can! The signal booster kit comes with all the necessary items for installation and it is designed to be user-friendly. You should start by doing a 'loose' installation. This means you can try different locations for your antennas before securing them. Just remember to place the outdoor antenna in a spot where it can catch a strong signal. 4. What mobile networks does this booster support? - This particular mobile signal booster supports several networks in Indonesia, including Telkomsel, Indosat, XL Axiata, and Three (3). It works on the 3G frequency of 2100MHz, which is commonly used by these mobile operators. 5. What if I have no signal outside? - If there's no signal coming from outside, the booster will not be able to help. The booster can only take existing signals and make them stronger; it cannot create a signal where there is none. You will need to have at least a weak signal from outside for it to work. 6. How many devices can connect to the booster? - The 3G - 300m2 mobile signal booster can support up to 30 devices at the same time. This means that you can improve the signal for many phones and tablets in your home or business. 7. Is it safe to use a signal booster? - Yes, using a mobile signal booster is generally safe. It complies with safety regulations and is designed to not cause any harm. However, be sure to follow the installation instructions carefully to ensure proper setup. 8. Do I need a special kind of antenna? - The kit includes a standard external antenna, which is usually sufficient for most needs. However, if you are in an area with very weak signals, you might want to consider upgrading to a higher gain antenna for better performance. 9. What are the benefits of using a signal booster? - Using a mobile signal booster has several benefits. It can eliminate dropped calls, ensure a more reliable internet connection, and provide wider coverage. You can enjoy consistent 3G data and services without interruptions. 10. How can I check if my phone is using the right frequency? - To check if your phone is using the right frequency, dial \*3001#12345#\* and press the call button. Then click on 'Serving Cell Info' to see if it shows the frequency band as '1', which indicates it's using the right 3G frequency. TAGES: 3G mobile signal booster, Telkomsel signal booster, Indosat signal booster, XL Axiata booster, Three 3 signal amplifier, mobile signal improvement, indoor signal booster, 300m2 coverage booster ## Details - **Price:** 183.82 GBP - 303.82 GBP - **Vendor:** UKMobileBooster.com - **Type:** Indonesia - **Tags:** application 3G Data, coverage up to 300 sq metres, has_stock_countdown, id id, provider Indosat, provider Telkomsel, provider Three, provider XL Axiata ## Variants | Variant | Price | Available | |---------|-------|-----------| | No / No / No | 183.82 GBP | In stock | | No / No / Yes | 203.82 GBP | In stock | | No / Yes / No | 233.82 GBP | In stock | | No / Yes / Yes | 253.82 GBP | In stock | | 20 M / No / No | 203.82 GBP | In stock | | 20 M / No / Yes | 223.82 GBP | In stock | | 20 M / Yes / No | 253.82 GBP | In stock | | 20 M / Yes / Yes | 273.82 GBP | In stock | | 30 M / No / No | 213.82 GBP | In stock | | 30 M / No / Yes | 233.82 GBP | In stock | | 30 M / Yes / No | 263.82 GBP | In stock | | 30 M / Yes / Yes | 283.82 GBP | In stock | | 40 M / No / No | 223.82 GBP | In stock | | 40 M / No / Yes | 243.82 GBP | In stock | | 40 M / Yes / No | 273.82 GBP | In stock | | 40 M / Yes / Yes | 293.82 GBP | In stock | | 50 M / No / No | 233.82 GBP | In stock | | 50 M / No / Yes | 253.82 GBP | In stock | | 50 M / Yes / No | 283.82 GBP | In stock | | 50 M / Yes / Yes | 303.82 GBP | In stock | ## Images - 3G - 300m2 (Telkomsel/Indosat/XL Axiata/Three 3) Mobile Signal Booster - 3G - 300m2 (Telkomsel/Indosat/XL Axiata/Three 3) Mobile Signal Booster - 3G - 300m2 (Telkomsel/Indosat/XL Axiata/Three 3) Mobile Signal Booster - 3G - 300m2 (Telkomsel/Indosat/XL Axiata/Three 3) Mobile Signal Booster - 3G - 300m2 (Telkomsel/Indosat/XL Axiata/Three 3) Mobile Signal Booster - 3G - 300m2 (Telkomsel/Indosat/XL Axiata/Three 3) Mobile Signal Booster - 3G - 300m2 (Telkomsel/Indosat/XL Axiata/Three 3) Mobile Signal Booster - 3G - 300m2 (Telkomsel/Indosat/XL Axiata/Three 3) Mobile Signal Booster - 3G - 300m2 (Telkomsel/Indosat/XL Axiata/Three 3) Mobile Signal Booster --- > Source: [B4U](https://www.ukmobilebooster.com/products/id-w300-mobile-booster) > Updated: 2026-09-02