# 4G LTE - 300m2 (Three/Oister) Mobile Signal Booster ##### **Enhanced Signal Coverage** Experience robust connectivity with this powerful signal booster, designed to enhance your 4G LTE and voice signal across a coverage area of up to 300 m². Whether at home, in cafes, or bustling restaurants, expect seamless communication wherever you are. ##### **Clear Voice Quality** Never miss an important call again! Our 4G LTE booster ensures crystal-clear voice clarity, allowing you to engage in conversations without interruptions or dropped calls. Stay connected effortlessly! ##### **Rapid SMS & Data Transmission** Send and receive SMS messages with lightning speed. Alongside voice calls, enjoy faster uploads and downloads, making your communication and online activities smoother than ever. ##### **Easy Installation** No technical skills? No problem! Our kit comes with everything needed for a hassle-free installation, including an external aerial, cables, and a power adapter. Set up your booster in no time. ##### **Multiple Network Compatibility** Don’t settle for slow connections! This booster is compatible with a variety of mobile network operators in Denmark, ensuring that whether you use Three, Oister, or others, your experience remains uninterrupted. ##### **Upgrade Options for Optimal Performance** Customize your setup! Choose from upgrade options for extended cable lengths, enhanced antennas, and surge protectors, ensuring your system maintains peak performance even in varying conditions. It boost **4G LTE and All Calls** signal on 1800MHz frequency, the frequency used in **Denmark** used by mobile networks to deliver their mobile services: 2G (also known as GSM) and 4G. It can boost all networks on Three and Oister for improving **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 also can boost all network operators for improving **Voice Calls & Text** signal. It also can boost all network operators for improving **Voice Calls & Text** signal. It is the best suitable for medium size, boost indoor signal areas up to **300 m2**, perfect for home, cafes, restaurants, pubs, clubs and more. * * * **Clear Voice** No Miss Important Calls **Wow 2G/4G Calls** Eliminates Dropped Calls **Send/Receive SMS** SMS Text Messages Quickly **Consistent Connection** Reliable 4G/LTE Data **Signal Wider Coverage** Reception Up to 300 sq.m. **4G/LTE Internet** Faster Uploads & Downloads * * * ### 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 \[4G/LTE & Calls\] (Band 3) Country Denmark **Boost All On** Three (2G & 4G) TDC (2G) Telenor (2G & 4G) Telia (2G & 4G) Cbb Mobil (2G & 4G) Lebara Mobile (2G) Lycamobile (2G) Oister (2G & 4G) One Mobile (2G) Vectone Mobile (2G & 4G) Users Supporting 30 Simultaneously Band Single Band 3 Frequency 1800MHz Gain(dB) Uplink Gp≥60; Downlink Gp≥65 Up-link 1710~1785 MHz Down-link 1805~1880 MHz Export Power(Po) ≥20dBm 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 3, 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 mobile phone signals in areas where the signal is weak. It works by picking up the existing signal from outside and amplifying it, allowing you to more easily make calls, send texts, and use mobile data inside your home or other spaces. 2. How does the signal booster work? - The signal booster captures the weak mobile phone signal outside using an external antenna. It then boosts this signal and sends it through an indoor antenna, allowing your phone to connect better inside your building. However, if there is no signal outside, the booster won't be able to help. 3. Who can benefit from using a signal booster? - Anyone who lives or works in an area with poor mobile signal can benefit from a signal booster. This includes people in homes, offices, cafes, or clubs where calls and data connections are often dropped or slow. 4. Is it easy to install the mobile signal booster? - Yes, the mobile signal booster kit comes with everything needed for installation, including an external antenna, cables, the booster unit, and an internal antenna. It is designed to be user-friendly, so with simple tools, you can set it up yourself. 5. What size area can the booster cover? - The 4G LTE signal booster can cover areas up to 300 square meters. This is suitable for medium-sized spaces, making it ideal for homes, cafes, restaurants, and more. 6. Do I need to upgrade any parts? - While the standard kit is comprehensive, you might want to upgrade certain components like the external cables or antennas for better performance, especially if you have low signal reception outside. 7. Can multiple devices use the signal booster at once? - Yes! The signal booster can support up to 30 users at the same time, allowing many devices to benefit from the improved signal. 8. What types of networks does the booster work with? - The booster works with several mobile networks in Denmark, including Three, Oister, Telenor, and Telia for both 2G and 4G services. This means you can use it to boost calls and data for many different providers. 9. Will I still get dropped calls when using the booster? - Using the signal booster significantly reduces the chances of dropped calls. It enhances the quality of your phone calls over the 4G network, making them clearer and more consistent. 10. Can the booster help with text messages? - Yes, the booster not only improves call quality but also helps you send and receive SMS text messages faster, ensuring you don't miss important communications. TAGES: 4G LTE booster, mobile signal booster, Three Oister signal enhancement, indoor signal booster, Voice over LTE, mobile signal improvement, Denmark mobile networks, 300m2 coverage ## Details - **Price:** 183.82 GBP - 303.82 GBP - **Vendor:** UKMobileBooster.com - **Type:** Denmark - **Tags:** application 4G LTE Data, coverage up to 300 sq metres, dk dk, dk Oister, dk Three, has_stock_countdown, provider Oister, provider Three ## 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 - 4G LTE - 300m2 (Three/Oister) Mobile Signal Booster - 4G LTE - 300m2 (Three/Oister) Mobile Signal Booster - 4G LTE - 300m2 (Three/Oister) Mobile Signal Booster - 4G LTE - 300m2 (Three/Oister) Mobile Signal Booster - 4G LTE - 300m2 (Three/Oister) Mobile Signal Booster - 4G LTE - 300m2 (Three/Oister) Mobile Signal Booster - 4G LTE - 300m2 (Three/Oister) Mobile Signal Booster - 4G LTE - 300m2 (Three/Oister) Mobile Signal Booster - 4G LTE - 300m2 (Three/Oister) Mobile Signal Booster - 4G LTE - 300m2 (Three/Oister) Mobile Signal Booster --- > Source: [B4U](https://www.ukmobilebooster.com/products/dk-d300-mobile-booster) > Updated: 2026-09-02