# 3G - 250m2 (Telkomsel/Indosat/XL Axiata/Three 3) Mobile Signal Booster ##### **Enhanced Signal Strength** Experience improved 3G signal with our Mobile Signal Booster, which amplifies the 2100MHz frequency used by major Indonesian networks including Telkomsel, Indosat, XL Axiata, and Three 3. Say goodbye to frustrating dropped calls and slow data rates as you enjoy consistently strong connectivity throughout your home or business. ##### **Wide Coverage Area** Our booster is specifically designed for medium-sized spaces, boosting signals effectively over an impressive coverage area of up to 250 m². Perfect for homes, cafes, restaurants, and more, it ensures that every corner gets reliable service, allowing you to connect without any weak spots. ##### **Easy Installation Kit** Everything you need for seamless connectivity is included in one convenient package. The kit comes with an external aerial, cables, a booster base unit, an indoor antenna, and a power adapter, making it easy for anyone to install. Simplify your setup with minimal hassle! ##### **Multiple User Support** Our Mobile Signal Booster supports up to 25 users simultaneously, making it an ideal solution for family homes, small offices, or cafes. No longer will you have to worry about sluggish connections during peak usage—everyone can enjoy fast and reliable 3G service at the same time. ##### **Upgrade Options Available** Enhance your experience with optional upgrades such as longer external cables or a higher gain Yagi antenna for better performance. You can customize your booster to match your specific needs, ensuring optimal reception and connectivity in your environment. ##### **Safety Features Included** Protect your equipment from unexpected power surges with our optional Lightning Surge Protector. Designed to handle high amperage due to lightning strikes, this feature ensures your signal booster operates safely, extending its life and reliability for years to come. 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 is the best suitable for medium size, boost indoor signal areas up to **250 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 250 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 25 Simultaneously Band Single Band 1 Frequency 2100MHz Gain(dB) Uplink Gp≥55; Downlink Gp≥60 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 strength of your mobile phone signal. If you live or work in a place where the reception is weak, this tool can help you make calls and use data more easily. 2. Who can use the 3G signal booster? - This signal booster is great for anyone using a mobile network in Indonesia, including Telkomsel, Indosat, XL Axiata, and Three (3). It helps improve 3G signals in homes, cafes, or other medium-sized areas up to 250 square meters. 3. How does the mobile signal booster work? - The booster captures weak signals from outside, amplifies them, and then sends the stronger signal inside your building. This way, you can enjoy better call quality and faster internet. 4. Do I need a good signal outside for the booster to work? - Yes, the booster needs some signal from outside to work. If the signal is too weak outside, the booster won't be able to amplify it. 5. Can I install the booster myself? - Yes! The mobile signal booster kit comes with everything you need for installation. It is designed to be easy to set up, and you can follow the included instructions. 6. What happens if I have an upgrade option? - You can choose to upgrade components like the external antenna or cables for better performance. This is useful if your current setup isn’t working as well as you’d like. 7. How can I check if my phone supports the right frequency for this booster? - You can check your phone's frequency by dialing \*3001#12345# and looking at the 'Freq Band Indicator' in the menu. You can also use apps like CellMapper. 8. What do I do if I can’t get a signal even with the booster? - If the booster isn’t providing a signal, check outside for weak signals. Without an outside signal, the booster won't work. You may need to reposition the outdoor antenna to a better spot. 9. What is included in the 3G mobile signal booster package? - The package typically includes the booster unit, an outdoor antenna, an indoor antenna, cables, and a power adapter. Everything you need to set up is included. 10. Is there any support if I have more questions? - Yes! You can reach out to us for support or check the FAQs on our website for quick answers to common questions. TAGES: 3G signal booster, mobile signal booster, Telkomsel booster, Indosat signal booster, XL Axiata booster, Three 3 mobile booster, indoor signal booster, signal amplification ## Details - **Price:** 169.0 GBP - 289.0 GBP - **Vendor:** UKMobileBooster.com - **Type:** Indonesia - **Tags:** application 3G Data, coverage up to 250 sq metres, has_stock_countdown, id id, provider Indosat, provider Telkomsel, provider Three, provider XL Axiata ## Variants | Variant | Price | Available | |---------|-------|-----------| | No / No / No | 169.00 GBP | In stock | | No / No / Yes | 189.00 GBP | In stock | | No / Yes / No | 219.00 GBP | In stock | | No / Yes / Yes | 239.00 GBP | In stock | | 20 M / No / No | 189.00 GBP | In stock | | 20 M / No / Yes | 209.00 GBP | In stock | | 20 M / Yes / No | 239.00 GBP | In stock | | 20 M / Yes / Yes | 259.00 GBP | In stock | | 30 M / No / No | 199.00 GBP | In stock | | 30 M / No / Yes | 219.00 GBP | In stock | | 30 M / Yes / No | 249.00 GBP | In stock | | 30 M / Yes / Yes | 269.00 GBP | In stock | | 40 M / No / No | 209.00 GBP | In stock | | 40 M / No / Yes | 229.00 GBP | In stock | | 40 M / Yes / No | 259.00 GBP | In stock | | 40 M / Yes / Yes | 279.00 GBP | In stock | | 50 M / No / No | 219.00 GBP | In stock | | 50 M / No / Yes | 239.00 GBP | In stock | | 50 M / Yes / No | 269.00 GBP | In stock | | 50 M / Yes / Yes | 289.00 GBP | In stock | ## Images - 3G - 250m2 (Telkomsel/Indosat/XL Axiata/Three 3) Mobile Signal Booster - 3G - 250m2 (Telkomsel/Indosat/XL Axiata/Three 3) Mobile Signal Booster - 3G - 250m2 (Telkomsel/Indosat/XL Axiata/Three 3) Mobile Signal Booster - 3G - 250m2 (Telkomsel/Indosat/XL Axiata/Three 3) Mobile Signal Booster - 3G - 250m2 (Telkomsel/Indosat/XL Axiata/Three 3) Mobile Signal Booster - 3G - 250m2 (Telkomsel/Indosat/XL Axiata/Three 3) Mobile Signal Booster - 3G - 250m2 (Telkomsel/Indosat/XL Axiata/Three 3) Mobile Signal Booster - 3G - 250m2 (Telkomsel/Indosat/XL Axiata/Three 3) Mobile Signal Booster - 3G - 250m2 (Telkomsel/Indosat/XL Axiata/Three 3) Mobile Signal Booster --- > Source: [B4U](https://www.ukmobilebooster.com/products/id-w250-mobile-booster) > Updated: 2026-09-02