# 3G & Calls - 250m2 (SingTel Mobile/StarHub/M1/Circles.Life) Mobile Signal Booster ##### **Enhanced 3G & Calling** Experience superior call quality and 3G data coverage with the mobile signal booster that amplifies both 900MHz and 2100MHz frequencies. Suitable for SingTel, StarHub, M1, and Circles.Life, it ensures clear voice calls, faster data speeds, and reliable connectivity in your home or office. ##### **Widespread Coverage** With a powerful reach of up to 250 square meters, this booster is ideal for medium-sized spaces such as cafes, restaurants, and pubs. Enjoy seamless connectivity throughout the area, eliminating dead zones and ensuring every corner has a strong signal. ##### **Dual Band Capability** This dual-band booster operates on both the 900MHz and 2100MHz frequencies simultaneously, providing compatibility with a wide range of 3G networks. Say goodbye to dropped calls as all household members, regardless of their carrier, can enjoy crystal-clear communications. ##### **Easy Installation** The complete kit comes with everything you need for a hassle-free installation, including external and internal antennas, cables, a booster unit, and a power adapter. Get your system up and running quickly with user-friendly instructions. ##### **Upgrade Options Available** Tailor your setup with upgrade options like high-gain antennas and lightning surge protectors to enhance performance according to your specific needs. Ensure optimal signal strength and safeguard your equipment against power surges. ##### **Supports Multiple Users** Designed for busy households or small offices, this booster supports up to 25 simultaneous connections. Everyone can enjoy uninterrupted calls and fast data upload/download speeds, making it an essential addition for any space with multiple mobile users. It boost **3G and Calls** signal on 900MHz, 2100MHz frequencies, the frequencies used in **Singapore** used by mobile networks to deliver their mobile services: 3G, 3.5G (also known as HSDPA provides faster data rates than 3G) and 2G. It work on both 900Mhz (Band 8) & 2100Mhz (Band 1) frequencies for improving SingTel Mobile, StarHub, M1 and Circles.Life mobile carrier networks **3G, Voice Calls and Text** 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. This system is compatible with all 3G mobile phone networks, will provide coverage on both 900MHz, 2100MHz frequency **simultaneously**. It's Dual Band booster and is an **ESSENTIAL** if many people in the same household are on different mobile phone networks! * * * **Wow 3G Calls** Eliminates Dropped Calls **Clear Voice** No Miss Important Calls **Consistent Connection** Reliable 3G Data **Send/Receive SMS** SMS Text Messages Quickly **3G 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 \[3G Data and Voice Calls\] (Band 8, 1) Country Singapore **Boost All On** SingTel Mobile (3G & 2G) StarHub (3G & 2G) M1 (3G & 2G) Circles.Life (3G & 2G) Users Supporting 25 Simultaneously Band Dual Band 8 & 1 Frequency 900 & 2100MHz Gain(dB) Uplink Gp≥50; Downlink Gp≥55 Up-link 890~915 MHz; 1930~1990 MHz Down-link 935~960 MHz; 2110~2180 MHz Export Power(Po) \-70~-40 dBm/FA(1.23MHz) 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 8, or 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 your phone's reception. It takes weak signals from outside and makes them stronger so you can have better calls and internet speeds at home or in other places. This is especially helpful if you often experience dropped calls or slow internet. 2. How does the 3G & Calls - 250m2 mobile booster work? - The 3G & Calls - 250m2 mobile booster works by amplifying signals from the mobile networks like SingTel, StarHub, M1, and Circles.Life. It uses two frequencies, 900MHz and 2100MHz, to help improve your voice calls, texts, and 3G internet, covering up to 250 square meters, which is good enough for many homes or cafes. 3. Who can benefit from this booster? - Anyone who has a weak mobile signal at home or in their workplace can benefit from this booster. It works best for families where multiple people are using different mobile networks, ensuring clear calls and fast internet for everyone! 4. Can I use this booster with any mobile phone? - Yes! This mobile signal booster is designed to work with all 3G mobile phones. Whether you have a smartphone or a basic phone, as long as it operates on 3G, you'll see better reception. 5. What do I need to install the booster? - The booster kit comes with everything you need for installation. This includes an external antenna, an internal antenna, cables, the main booster unit, and a power adapter. You just need to follow the simple installation steps that are included. 6. What if there is no signal outside? - Keep in mind that the booster can only make weak signals stronger. If there is no signal at all outside, the booster won't be able to help. You need to have at least a little signal outside to make it work. 7. How large of an area can this booster cover? - The 3G & Calls - 250m2 mobile booster can cover up to 250 square meters. This means it is great for small to medium-sized homes, cafés, or restaurants where you want better mobile reception. 8. What kind of upgrades are available for the booster? - There are a few options for upgrades if you need better performance. You can upgrade the external cables to longer lengths, get a higher gain external antenna for even better signal, or a lightning surge protector to keep your equipment safe. 9. How do I check my phone’s frequency band? - To check your phone's frequency band, you can dial \*3001#12345#\* and press the call button. After that, tap 'Serving Cell Info' to see the 'Freq Band Indicator.' This will tell you if your phone uses band 8 or 1. 10. Is this booster easy to install? - Yes! The mobile signal booster comes with clear instructions and includes all the parts you need. Most people can set it up themselves without needing professional help. TAGES: 3G mobile booster, Singapore mobile signal, dual band booster, improve voice calls, eliminate dropped calls, signal coverage 250m2, mobile network compatibility, faster data rates ## Details - **Price:** 235.0 GBP - 355.0 GBP - **Vendor:** UKMobileBooster.com - **Type:** Singapore - **Tags:** application 3G Data & Voice Calls, coverage up to 250 sq metres, has_stock_countdown, provider Circles.Life, provider M1, provider SingTel Mobile, provider StarHub, sg sg ## Variants | Variant | Price | Available | |---------|-------|-----------| | No / No / No | 235.00 GBP | In stock | | No / No / Yes | 255.00 GBP | In stock | | No / Yes / No | 285.00 GBP | In stock | | No / Yes / Yes | 305.00 GBP | In stock | | 20 M / No / No | 255.00 GBP | In stock | | 20 M / No / Yes | 275.00 GBP | In stock | | 20 M / Yes / No | 305.00 GBP | In stock | | 20 M / Yes / Yes | 325.00 GBP | In stock | | 30 M / No / No | 265.00 GBP | In stock | | 30 M / No / Yes | 285.00 GBP | In stock | | 30 M / Yes / No | 315.00 GBP | In stock | | 30 M / Yes / Yes | 335.00 GBP | In stock | | 40 M / No / No | 275.00 GBP | In stock | | 40 M / No / Yes | 295.00 GBP | In stock | | 40 M / Yes / No | 325.00 GBP | In stock | | 40 M / Yes / Yes | 345.00 GBP | In stock | | 50 M / No / No | 285.00 GBP | In stock | | 50 M / No / Yes | 305.00 GBP | In stock | | 50 M / Yes / No | 335.00 GBP | In stock | | 50 M / Yes / Yes | 355.00 GBP | In stock | ## Images - 3G & Calls - 250m2 (SingTel Mobile/StarHub/M1/Circles.Life) Mobile Signal Booster - 3G & Calls - 250m2 (SingTel Mobile/StarHub/M1/Circles.Life) Mobile Signal Booster - 3G & Calls - 250m2 (SingTel Mobile/StarHub/M1/Circles.Life) Mobile Signal Booster - 3G & Calls - 250m2 (SingTel Mobile/StarHub/M1/Circles.Life) Mobile Signal Booster - 3G & Calls - 250m2 (SingTel Mobile/StarHub/M1/Circles.Life) Mobile Signal Booster - 3G & Calls - 250m2 (SingTel Mobile/StarHub/M1/Circles.Life) Mobile Signal Booster - 3G & Calls - 250m2 (SingTel Mobile/StarHub/M1/Circles.Life) Mobile Signal Booster - 3G & Calls - 250m2 (SingTel Mobile/StarHub/M1/Circles.Life) Mobile Signal Booster - 3G & Calls - 250m2 (SingTel Mobile/StarHub/M1/Circles.Life) Mobile Signal Booster --- > Source: [B4U](https://www.ukmobilebooster.com/products/sg-gw250-mobile-booster) > Updated: 2026-09-02