# Calls - 250m2 (SingTel Mobile/StarHub/M1/Circles.Life) Mobile Signal Booster ##### **Enhanced Call Clarity** Improve the quality of your calls with our Mobile Signal Booster, designed specifically to enhance voice signal clarity on the 900MHz frequency. Say goodbye to dropped calls and enjoy uninterrupted conversations. ##### **Wide Coverage Area** Experience seamless connectivity across a significant area with a coverage capacity of up to 250m². Perfect for homes, cafes, restaurants, pubs, and more, ensuring everyone stays connected. ##### **Reliable Text Messaging** Send and receive SMS messages quickly and effortlessly. Our booster ensures that your messages are delivered without delay, keeping you in touch with friends and family. ##### **User-Friendly Installation** With an all-inclusive kit featuring an external aerial, cables, a booster base unit, and an indoor antenna, installation is a breeze. Follow our easy guide and get set up in no time. ##### **Supports Multiple Users** Our booster can provide coverage for up to 25 simultaneous users, making it ideal for both private and public spaces. Ensure everyone stays connected without compromising on signal quality. ##### **Customizable Options** Tailor your booster experience with optional upgrades such as longer external cables and high-gain antennas. Achieve optimal performance regardless of your location and existing signal strength. It boost **Calls** signal on 900MHz frequency, the frequency used in **Singapore** used by mobile networks to deliver their mobile services: 2G (also known as GSM). It work on 900Mhz (Band 8) frequency for improving SingTel Mobile, StarHub, M1 and Circles.Life mobile carrier networks **Voice Calls & Text** signal. The booster is the best suitable for medium size, boost indoor signal coverage up to **250 m2**, perfect for home, cafes, restaurants, pubs, clubs and more. * * * **Clear Voice** No Miss Important Calls **Send/Receive SMS** SMS Text Messages Quickly **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 Voice Calls & Text (Band 8) Country Singapore **Boost All On** SingTel Mobile (2G) StarHub (2G) M1 (2G) Circles.Life (2G) Users Supporting 25 Simultaneously Band Single Band 8 Frequency 900MHz Gain(dB) Uplink Gp≥50; Downlink Gp≥55 Up-link 890~915 MHz Down-link 935~960 MHz Export Power(Po) ≥10dBm 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, 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 the Calls - 250m2 Mobile Signal Booster? - The Calls - 250m2 Mobile Signal Booster is a device designed to improve your mobile signal for calls and text messages. It works with SingTel Mobile, StarHub, M1, and Circles.Life in Singapore. This booster covers an area of up to 250 square meters, which makes it great for homes, restaurants, and cafes. 2. How does the signal booster work? - The signal booster enhances the existing mobile signal you receive outside your home. It captures weak signals, amplifies them, and redistributes the boosted signals indoors, ensuring you can make and receive calls and texts more efficiently. However, if there is no signal outside, the booster will not work. 3. Is it easy to install the mobile signal booster? - Yes, installing the mobile signal booster is quite straightforward. The kit includes everything you need: external antenna, cables, booster unit, internal antenna, and power adapter. A simple step-by-step guide is provided to help you through the installation process. 4. Can I use the booster if I have 2G SIM cards? - Yes, the Calls - 250m2 Booster is ideal for 2G SIM cards, making it perfect for users of SingTel Mobile, StarHub, M1, and Circles.Life. Just ensure your mobile service operates on the 900MHz frequency. 5. Do I need to return the product if it doesn’t work? - If the booster doesn’t improve your signal, you may be eligible for a return depending on the store's return policy. It's best to check the specific terms on the website for details on returns and refunds. 6. How can I check my phone’s signal band? - To check your phone's signal band, you can dial \*3001#12345#\* on your iPhone and press Call. This will direct you to your phone's settings where you can view the 'Freq Band Indicator.' You can also use apps like CellMapper or Network Signal Info Pro. 7. What if I need a longer cable for the installation? - If you find that the standard 10-meter cable is not enough, you have the option to upgrade to a longer cable when you purchase the signal booster. Options usually range from 20 meters to 50 meters. 8. What happens if there’s bad reception after installation? - If you still experience poor reception after installing the signal booster, make sure the outdoor antenna is positioned in a spot where it can pick up the best outside signal. Adjusting its location can help improve performance. 9. Is the mobile booster safe for my phone and devices? - Yes, the mobile booster is safe for your phone and other devices. It doesn't create signals; it simply amplifies existing ones. Additionally, there is an optional lightning surge protector you can use to safeguard the booster from electrical surges. 10. Can multiple users use the signal booster at the same time? - Yes, the Calls - 250m2 Mobile Signal Booster can support up to 25 users simultaneously, making it perfect for larger families or small businesses. TAGES: Mobile Signal Booster, SingTel Mobile, StarHub, M1, Circles.Life, 250 m2 coverage, GSM signal booster, Singapore mobile services ## Details - **Price:** 110.0 GBP - 230.0 GBP - **Vendor:** UKMobileBooster.com - **Type:** Singapore - **Tags:** application 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 | 110.00 GBP | In stock | | No / No / Yes | 125.00 GBP | In stock | | No / Yes / No | 160.00 GBP | In stock | | No / Yes / Yes | 180.00 GBP | In stock | | 20 M / No / No | 130.00 GBP | In stock | | 20 M / No / Yes | 150.00 GBP | In stock | | 20 M / Yes / No | 180.00 GBP | In stock | | 20 M / Yes / Yes | 200.00 GBP | In stock | | 30 M / No / No | 140.00 GBP | In stock | | 30 M / No / Yes | 160.00 GBP | In stock | | 30 M / Yes / No | 190.00 GBP | In stock | | 30 M / Yes / Yes | 210.00 GBP | In stock | | 40 M / No / No | 150.00 GBP | In stock | | 40 M / No / Yes | 170.00 GBP | In stock | | 40 M / Yes / No | 200.00 GBP | In stock | | 40 M / Yes / Yes | 220.00 GBP | In stock | | 50 M / No / No | 160.00 GBP | In stock | | 50 M / No / Yes | 180.00 GBP | In stock | | 50 M / Yes / No | 210.00 GBP | In stock | | 50 M / Yes / Yes | 230.00 GBP | In stock | ## Images - Calls - 250m2 (SingTel Mobile/StarHub/M1/Circles.Life) Mobile Signal Booster - Calls - 250m2 (SingTel Mobile/StarHub/M1/Circles.Life) Mobile Signal Booster - Calls - 250m2 (SingTel Mobile/StarHub/M1/Circles.Life) Mobile Signal Booster - Calls - 250m2 (SingTel Mobile/StarHub/M1/Circles.Life) Mobile Signal Booster - Calls - 250m2 (SingTel Mobile/StarHub/M1/Circles.Life) Mobile Signal Booster - Calls - 250m2 (SingTel Mobile/StarHub/M1/Circles.Life) Mobile Signal Booster - Calls - 250m2 (SingTel Mobile/StarHub/M1/Circles.Life) Mobile Signal Booster - Calls - 250m2 (SingTel Mobile/StarHub/M1/Circles.Life) Mobile Signal Booster - Calls - 250m2 (SingTel Mobile/StarHub/M1/Circles.Life) Mobile Signal Booster --- > Source: [B4U](https://www.ukmobilebooster.com/products/sg-g250-mobile-booster) > Updated: 2026-09-02