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2025年4月、総務大臣は東京周辺で携帯電話の混信が起きたとの報告を把握し、偽基地局を経由したSMSの報告も受けていると説明しました。一方、個別の場所や被害の詳細は明らかにされていません。クレジットカード情報が盗まれたことも、公開された公式記録では確認できません。
政府が把握していると説明したこと
2025年4月15日、村上誠一郎総務大臣は、東京周辺で携帯電話サービスへの混信があったとの報告を把握し、関係機関と連携していると説明しました。これは混信に関する報告の認識を示したもので、SNSなどに投稿された個々の事例や、東京・大阪の特定地点で偽基地局が運用されたとの主張をすべて裏付けたものではありません。ITmedia NEWSの2025年4月15日付報道は、当時の大臣発言とSNS上の主張を区別して伝えています。
4月24日の衆議院総務委員会では、村上大臣は東京周辺の混信に加えて、偽基地局を通じてSMSが送信されたとの報告も受けていると述べました。ただし、個別の事案や被害については明らかにせず、今後の被害を予測することも難しいとしました。発言の記録は衆議院の会議録で確認できます。
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「クレカ情報抜き取り」は確認されたのか
公開された会議録は、今回の事案でクレジットカード情報が盗まれたとは確認していません。被害の有無や個別の詳細を大臣が明らかにしていないため、被害者数、金額、情報流出の有無を断定できる公表情報も示されていません。
#1 Best Overall
Cell Phone Booster for Home & Muti-Room, Up to 7000Sq. Ft,Cell Booster for Rural Area with 2 Indoor Antennas,Boosts 5G 4G LTE for All U.S. Carriers, FCC Approved Cell Phone Signal Booster (Green)
- 5G COMPATIBILITY：Cell phone signal booster is a newly designed signal boosters with intelligent functions, It can enhance indoor signal, such as voice, data in home and office etc, so as to reduce the problem of call interruption, poor signal, can help improve voice quality, faster internet speed and wider coverage, it can cover up to 7000sq.ft coverage, with 70dB Gain, Support all US and Canadian carriers U.S. Cellular, etc. Cover 3G, 4G LTE, and 5G compatible.
- 5G Compatible：Cell phone booster support 5G and deliver amazing speeds; Only 5G that carriers have deployed in large numbers in existing 4G brands through DSS (Dynamic Spectrum Sharing), the FCC has not yet allowed the new mmWave 600MHz cellular enhancers, so if you must use 5G, Make sure your area has 5G services in the existing 4G band before you purchase.
- Advanced Features: Cell signal booster comes with advanced features like Automatic Gain Control, Self-oscillation Elimination to detect the level of an incoming signal and adjusts itself for the best performance. With Good Looking and high quality LED screen, Wireless connects multiple devices, Automatic gain control, this booster has strong anti-interference and low noise characteristic function.
- FCC & IC Certified: :Cell booster complies with all FCC and IC guidelines and meet the requirements of application standards,does not interrupt or compromise any carrier's signal to and from the cell tower.
- If you have any installation or other problems with your item, please contact with us anytime.
委員会で質問者は、偽基地局が携帯電話に接続先だと思わせ、フィッシングSMSを送ったり個人情報を抜き取ったりする可能性を問題として挙げました。これは想定される仕組みやリスクについての質問であり、カード情報の窃取が捜査や政府によって確認されたという意味ではありません。
偽基地局とSMSのリスクをどう理解するか
偽基地局とは、携帯電話の基地局を装う機器を指します。質問者が委員会で示した懸念は、端末がその機器に接続させられた場合に、偽のSMSなどを受け取る可能性があるというものです。今回の公的説明で確認できるのは、混信と偽基地局経由のSMSについて報告があったことまでです。運用者、被害の実態、情報が取得されたかどうかは、会議録では明らかにされていません。
Rank #2
Cell Phone Booster for Home Office | Boosts 5G & 4G LTE | Cell Phone Signal Booster for All U.S. Carriers-Verizon, AT&T, T-Mobile & More | for Band 12/17,13,5,25/2,4 | HD Display | App | FCC Approved
- 📶 𝐁𝐨𝐨𝐬𝐭 𝐒𝐢𝐠𝐧𝐚𝐥 - HiBoost cell phone signal booster for 2000 Sq.ft. Enjoy lag-free cell phone signal, faster internet connections for streaming, faster to download and upload. High power outside antenna, receive longer distance signal. (It requires at least one bar of signal for the cell phone booster to enhance the signal.)
- 📶 𝐖𝐨𝐫𝐤𝐬 𝐎𝐧 𝐀𝐥𝐥 𝐔.𝐒. 𝐂𝐚𝐫𝐫𝐢𝐞𝐫𝐬 - HiBoost cell phone booster for home works on all cellular service providers - Verizon, AT&T, Sprint, T-Mobile, Straight Talk, and U. S. Cellular. Supports bands of 700-750MHz (band 12, 13, 17), 800-850MHz (band 5), 1900MHz (band 2/25) and 1700~2100MHz (band 4).
- 📶 𝟓𝐆 𝐂𝐨𝐦𝐩𝐚𝐭𝐢𝐛𝐥𝐞 - HiBoost cell booster for home compatible with the latest 5G and 4G LTE technology, supports multiple devices simultaneously. The lte cell booster aid to eliminate weak signal areas, continuously provide you with a reliable cellular connection so that no more dropped calls when you at home
- 📶 𝐔.𝐒. 𝐋𝐨𝐜𝐚𝐥 𝐂𝐮𝐬𝐭𝐨𝐦𝐞𝐫 𝐒𝐮𝐩𝐩𝐨𝐫𝐭 - You can easily get help from installation to use. 30-Day Money Back, 3-Year Warranty - within 3 years of receipt of delievery, for any quality issue, simply reach us and we'll solve it. HiBoost cellular service booster meet all FCC guidelines, there is no need to ask the cellular provider for their consent, no monthly subscription fees required
- 📶 𝐋𝐂𝐃 𝐚𝐧𝐝 𝐀𝐏𝐏 𝐌𝐨𝐧𝐢𝐭𝐨𝐫 𝐇𝐞𝐥𝐩 𝐄𝐚𝐬𝐲 𝐈𝐧𝐬𝐭𝐚𝐥𝐥𝐚𝐭𝐢𝐨𝐧 - The color LCD screen on the cellular boosters clearly shows the real-time signal strength, you can cooperate with a partner to locate the best installation point of the outside antenna accurately, or you can achieve the same purpose through the HiBoost Signal Supervisor APP on your own, then place the booster with whip antenna on any desktop you want to get the ideal signal boost
不審なSMSを受け取ったときの対応
- メッセージ内のリンクを開かず、返信もしないでください。
- パスワード、カード番号、セキュリティコード、ワンタイムコードなどを入力・送信しないでください。
- 不審なSMSは削除します。ITmediaの当時の解説も削除を勧めています。ITmedia Mobileの解説
- すでにカード情報を入力した場合は、SMSに記載された連絡先ではなく、カード裏面や発行会社の公式サイトなどで確認した窓口からカード会社に連絡し、指示に従ってください。東京都の一般的な注意事項は警視庁のクレジットカード不正利用対策で確認できます。
GSM設定を無効にすれば防げるのか
ITmedia Mobileは2025年4月の解説で、日本国内ではGSM（2G）のサービスが提供されておらず、一部の端末ではGSMへの接続を無効にする設定があると説明しました。ただし、設定の有無や名称は機種によって異なります。端末の現在の設定画面やメーカーの案内を確認してください。この設定は利用できる端末での限定的な予防策であり、偽基地局に関わるあらゆるリスクを防ぐ保証にはなりません。
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Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.違法性は個別の状況で判断される
村上大臣は、電波法以外の法令違反の可能性について、事案の具体的な内容に即して判断すべきだと述べました。したがって、公開された発言だけから特定の犯罪が成立したと断定することはできません。
Rank #3
Phonetone Cell Phone Signal Booster for Band 12,13,17
- 【Ready for 5G】- The booster is designed for the largest cell carriers - Verizon and AT&T, boosts 4G LTE and 5G signal for all cellular devices operating on band 12, band 13 and band 17. Note: The booster only supports 5G band that largely deployed in current bands 12, 17 and 13 by Dynamic Spectrum Sharing by carriers. If you need a 5G cell booster, please ensure that you have a 5G phone and your carrier has deployed 5G in the 4G band of 12,13 and 17 before purchase.
- 【Advanced Features & Smart Device】- The booster uses AGC(Automatic Gain Control) function, which can intelligently detect the existing signal strength, and adjust itself for best performance, then reflect its working condition through LED indicator. Buy it once, and boost for life.
- 【Better Data & VoLTE】- Enhances 4G LTE data speed signals and volte, enjoy faster uploads and downloads to stream videos smoothly in your house, office, cottage, cabin, camper, basement etc., get rid of expensive monthly internet fees. Supports multiple users simultaneously.
- 【Powerful Antennas & Large Coverage】-This booster comes with high gain directional antenna, allow you to point it to the nearest signal tower more accurate and get more signals, expanding the indoor coverage up to 4,500sq ft. DIY Installation.
- 【Reliable Service Guarantee】- FCC Certified, 30-day return, 3-month replacement, Up to 3-year manufacturer repair, lifetime professional technical Support.
2026年6月25日に消費者庁が公表した、通信会社や警察を名乗って金銭を要求する詐欺への注意喚起は、別の手口に関するものです。偽基地局による混信やSMSの事案と混同しないようにしてください。消費者庁の注意喚起
Quick Recap
Bestseller No. 3
Best Value
Sale
Cell Phone Booster for Home,Up to 5500Sq Ft,Cell Phone Signal Booster for Band 2/25 / 4/66 / 5/12 / 17/13 with All U.S. Carriers,Boosts 5G 4G LTE, FCC Approved (Grey)
- Product Function— The cell phone amplifier boosts weak signal in 1-2 rooms, up to 5500 sq ft inside any home & office. This results in fewer dropped calls, improved battery life, higher audio quality, and faster data and streaming for All U.S. Cellular and many more And boosts 5G/4G LTE voice, text and data signals for all North American cell carriers, including Verizon’s 5G Nationwide data signals..Maximum Gain: 70 dB,Maximum Outpower: 17 dBm
- 5G Compatible：Cell phone booster support 5G and deliver amazing speeds; Only 5G that carriers have deployed in large numbers in existing 4G brands through DSS (Dynamic Spectrum Sharing), the FCC has not yet allowed the new mmWave 600MHz cellular enhancers, so if you must use 5G, Make sure your area has 5G services in the existing 4G band before you purchase.
- Coverage Area— The indoor coverage area that cell booster varies based on existing signal at the exterior antenna location: :1-2Bars~ 300 square feet, 3-4 bars ~ 2500 square feet, 5Bars~ 5500 square feet, and the signal booster will not work if there is no signal available to boost it at the external antenna location.
- Eay Installation Keep the power is off during installing/adjusting antennas. Simply set up the outdoor Log-periodic antenna, and place signal booster where you want. Make sure the distance between the outdoor antenna and indoor antenna should be about 32ft. Following the user manual, you can easily set it up.
- FCC & IC Certified: :Cell booster complies with all FCC and IC guidelines and meet the requirements of application standards,does not interrupt or compromise any carrier's signal to and from the cell tower.
Rank #4
Sale
ZORIDA Cell Phone Signal Booster for All US Carriers, Boosts 5G 4G, Cell Phone Booster 72dB High Gain Antennas, Cellular Verizon and AT&T, T-Mobile Signal on Band 12/17,13,5,25/2,4, FCC Approved
- 【Boost Your Signal】-- The cell booster can be used without registering with the carrier. Enjoy fewer dropped calls, incredibly fast data speeds, better voice quality and worry-free streaming through ZORIDA signal booster with 72dB max gain. Enhance the signal in rural areas, home, cabin, shop, office, building, warehouse, basement or garage. Higher gain helps save your battery life of phones on standby mode. (Please ensure you have the 1-2 bars signal outside of your home before using)
- 【All US Carriers & 5G Compatible】-- ZORIDA cellular signal booster supports All US carriers from Verizon, AT&T, T-Mobile, US Cellular, and more. Works on various band 12/17, 13, 5, 4, 2/25. Boost 3G & 4G LTE, 5G signal. 5G technology allows you to experience ultra-fast and stable network connectivity at home.(Tips: If you want to use 5G, please make sure your area provides 5G service in the existing 4G frequency band before purchasing)
- 【Affordable & Effective】-- ZORIDA cell phone signal booster enhances cell signal for multiple devices simultaneously up to 2000 sq ft, and it offers an ideal solution for small homes, studios or a single room. No subscriptions or hidden fees. ZORIDA ACE 5S is an affordable yet effective way to solve your connectivity issues. (Note: the coverage range of the booster depends on your outdoor signal strength)
- 【Easy Installation & App Service】-- Cell phone signal booster for home features a compact indoor whip antenna that you can easily attach to the cellular booster, then place it on the wall or directly on the table. By registering ZORIDA APP, we provide online 1v1 technical support to guide installation. You can also find the best installation place of outdoor antenna, view step-by-step videos and instructions, and see your signal data before and after Installation.
- 【US-based Service & FCC IC Certified】-- FCC & IC Certified. ZORIDA cell booster for home promises 30-day money-back and a 3-year warranty. Lifetime US-based tech-support-online app chat, phone and email; Contact with us anytime anywhere when you need.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
