# 4G LTE - 250m2 (Bolt/Smartfren) Mobile Signal Booster ##### **Enhanced 4G LTE Signal** Experience a supercharged 4G LTE signal with our mobile booster, specifically designed to enhance coverage for Bolt and Smartfren networks in Indonesia. Operating on the essential 2300MHz frequency, it ensures seamless connectivity, enabling fast data transfers and clearer voice calls with VoLTE support. ##### **Wide Coverage Area** Say goodbye to dead zones and hello to reliable connections! Our booster efficiently increases your indoor signal, covering an impressive area of up to 250 square meters. Perfect for homes, cafes, restaurants, and offices, it enhances the experience for all users within the radius. ##### **Easy Installation** Get set up in no time with our comprehensive installation kit, which includes everything needed for an effective boost—external aerial, internal antenna, cables, and power adapter. With user-friendly instructions, you’ll enjoy boosted signals with minimal hassle. ##### **High-Speed Internet** Unlock the full potential of your 4G LTE plan with faster upload and download speeds. Perfect for streaming, browsing, and downloading content without lag, this booster ensures you can enjoy high-speed internet whether you're at work or leisure. ##### **Upgradable Options** Customize your setup with our upgrade options! Choose higher gain antennas for improved performance in low-signal areas or enhance protection measures with our lightning surge protector, ensuring lasting durability and performance of your equipment. ##### **Support for Multiple Users** Connecting up to 25 devices simultaneously, our mobile signal booster is perfect for families and offices alike. Make sure everyone stays connected, whether for work or play, ensuring that your broadband needs are met without compromise. It boost **4G LTE** signal on 2300MHz frequency, the frequency used in **Indonesia** used by mobile networks to deliver their 4G mobile services. It work on 2300Mhz (Band 40) frequency for improving Bolt and Smartfren mobile carrier networks **4G LTE** signal. If your phones support 4G Calling (also called Voice over LTE or VoLTE) and your area 4G Calling is available, with the booster you can make clearer voice calls using 4G network. 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. **Note:** This booster improve operators' 4G LTE signal on Band 40 - 2300MHz frequency, you can purchase it directly if you sure your phone worked on this frequency. If unsure, firstly double check frequency 2300MHz in your area is used for 4G network. You're at your desk or cubicle and need reliable signal for fast 4G internet. With this signal booster, get much faster high-speed 4G LTE. Perfect for people needing fast uploads and downloads for streaming apps such as Google Chrome, Safari browser, YouTube, Netflix, Pandora, Spotify, and other data-heavy apps. For best results, stay within 1.5 metres-2.5 meters of the amplifier or within the room. Get the signal you deserve to get the job done and leave work where it belongs. * * * **Consistent Connection** Reliable 4G/LTE Data **4G/LTE Internet** Faster Uploads & Downloads **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 \[4G/LTE\] (Band 40) Country Indonesia **Boost All On** Bolt (4G LTE) Smartfren (4G LTE) Users Supporting 25 Simultaneously Band Single Band 40 Frequency 2300MHz Gain(dB) Uplink Gp≥60; Downlink Gp≥65 Up-link 2300~2400 MHz Down-link 2300~2400 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 1 x 5 Meters Indoor Cable **Warming Tips:** - Band Confirmation: This booster can boost signals on Band 40, 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 4G LTE Mobile Signal Booster? - A 4G LTE Mobile Signal Booster is a device that helps improve your mobile phone's 4G signal. If you have a weak signal at home or in a small business, the booster can make your internet faster. It works by taking the outside 4G signal, boosting it, and sending it indoors, so you can enjoy a stronger connection. 2. How does the signal booster work? - The signal booster receives the existing 4G signal from outside, amplifies it, and then sends it to your device. This means that even if the signal outside is weak, the booster can make it strong enough for good performance inside your home or office. However, if there's no signal outside, the booster won't help. 3. What areas can the signal booster cover? - This signal booster can cover areas up to 250 square meters, which is suitable for medium-sized homes or businesses like cafes and restaurants. It works best when you stay close to the booster, ideally within 1.5 to 2.5 meters. 4. Who can benefit from using a 4G LTE signal booster? - Anyone who experiences slow internet on their mobile devices can benefit from a 4G LTE signal booster. It is particularly useful for people who use data-heavy apps like YouTube or Netflix, and need fast upload and download speeds for their work or entertainment. 5. How can I check if my phone supports the necessary frequency? - To check if your phone supports the needed frequency (2300MHz), you can use a special code on your smartphone. For iPhones, dial \*3001#12345#, press Call, then click 'Serving Cell Info' and check the 'Freq Band Indicator'. Alternatively, you can use apps like CellMapper or Network Signal Info Pro. 6. What comes in the signal booster kit? - When you buy the signal booster, you receive everything you need for installation. This includes the booster unit, an outdoor antenna to catch the signal, an indoor antenna to spread the signal inside, cables, and a power adapter. It's all included at one price! 7. Can I upgrade my signal booster components? - Yes, you can upgrade components of your signal booster! If the standard 10-meter outdoor cable isn’t long enough or if you need a stronger outdoor antenna, you have upgrade options available to ensure you get the best performance. 8. What is a lightning surge protector and do I need it? - A lightning surge protector is a device that helps protect your signal booster equipment from damage caused by lightning strikes. If your antenna is outside and you're worried about storms, it’s a good idea to have this protector to ensure your equipment stays safe. 9. Is the booster easy to install? - Yes! The signal booster kit is designed for easy installation. You can set it up yourself without needing professional help. Just follow the instructions that come with it, and you’ll have your signal boosted in no time! 10. What should I do if the booster doesn’t work? - If the booster isn’t working properly, check that there's a decent signal outside your home because the booster can only amplify existing signals. Also, make sure all cables and antennas are connected correctly. If the problem continues, you may want to reach out to customer support for further assistance. TAGES: 4G LTE signal booster, mobile signal booster Indonesia, improve 4G network, Bolt Smartfren booster, indoor signal booster, medium size signal booster, 2300MHz frequency, reliable 4G internet ## Details - **Price:** 279.99 GBP - 399.99 GBP - **Vendor:** UKMobileBooster.com - **Type:** Indonesia - **Tags:** application 4G LTE Data, coverage up to 250 sq metres, frequency 2300MHz, id id, provider Bolt, provider Smartfren ## Variants | Variant | Price | Available | |---------|-------|-----------| | No / No / No | 279.99 GBP | In stock | | No / No / Yes | 299.99 GBP | In stock | | No / Yes / No | 329.99 GBP | In stock | | No / Yes / Yes | 349.99 GBP | In stock | | 20 M / No / No | 299.99 GBP | In stock | | 20 M / No / Yes | 319.99 GBP | In stock | | 20 M / Yes / No | 349.99 GBP | In stock | | 20 M / Yes / Yes | 369.99 GBP | In stock | | 30 M / No / No | 309.99 GBP | In stock | | 30 M / No / Yes | 329.99 GBP | In stock | | 30 M / Yes / No | 359.99 GBP | In stock | | 30 M / Yes / Yes | 379.99 GBP | In stock | | 40 M / No / No | 319.99 GBP | In stock | | 40 M / No / Yes | 339.99 GBP | In stock | | 40 M / Yes / No | 369.99 GBP | In stock | | 40 M / Yes / Yes | 389.99 GBP | In stock | | 50 M / No / No | 329.99 GBP | In stock | | 50 M / No / Yes | 349.99 GBP | In stock | | 50 M / Yes / No | 379.99 GBP | In stock | | 50 M / Yes / Yes | 399.99 GBP | In stock | ## Images - 4G LTE - 250m2 (Bolt/Smartfren) Mobile Signal Booster - 4G LTE - 250m2 (Bolt/Smartfren) Mobile Signal Booster - 4G LTE - 250m2 (Bolt/Smartfren) Mobile Signal Booster - 4G LTE - 250m2 (Bolt/Smartfren) Mobile Signal Booster - 4G LTE - 250m2 (Bolt/Smartfren) Mobile Signal Booster - 4G LTE - 250m2 (Bolt/Smartfren) Mobile Signal Booster - 4G LTE - 250m2 (Bolt/Smartfren) Mobile Signal Booster - 4G LTE - 250m2 (Bolt/Smartfren) Mobile Signal Booster --- > Source: [B4U](https://www.ukmobilebooster.com/products/id-f250-mobile-booster) > Updated: 2026-09-02