ポルトガルの通信エリア

ポルトガル の数値が意味すること

重要な数値は2つあり、どの会社も引用するのはそのうち1つだけです。一般的な速度は74 Mbps。調子のいいときがどれくらいかを示す数字です。

読む価値があるのは10パーセンタイル、20 Mbpsのほうです。駅の上の基地局が混み合い、周りの全員が同じ電波につながっている、その日の下位1割のときの速度です。中央値が高くて下限が低い国は、本当に必要になるその瞬間まではみごとに動く国だということです。

ビデオ通話やテザリングが欠かせない旅なら、一般的な速度ではなく混雑時の数値を基準に計画してください。

ポルトガルで回線が混んだときに起きること

混雑は故障ではなく、火曜の夜です。問題は、そのときeSIMに何ができるかで、たいていの旅行用eSIMの答えは「何もできない」です。国ごとに卸契約が1つ、ネットワークが1つ、路上に立ったまま他社のeSIMをもう1枚買う以外に逃げ道がありません。

ここではOrbisloの通信はMEO、Vodafoneを通ります。いま乗っているネットワークが劣化したら、旅行の途中でも、お客様が頼まなくても別の回線へ移します。そのときに邪魔をするのではなく、あとからお知らせします。

ポルトガルの携帯キャリア

• DIGI: DIGI says its 5G mobile network is now available on every line of the Lisbon Metro, so its customers keep a 5G signal on the city's underground railway.

ポルトガルの旧世代ネットワーク

• MEO switched 3G off municipality by municipality from 4 September 2023. The Azores went on 31 October 2023, and Lisbon, Porto, the whole Faro district in the Algarve and Madeira, including Funchal, went on 31 January 2024, the final date of the schedule.
• Vodafone Portugal, which launched 3G in the country in 2004, began a progressive switch off of its 3G network in July 2024 and is moving those frequencies to 4G and 5G.

ポルトガルの5G

• 5G reached 98.72 percent of Portuguese households in 2024, above the EU average of 94.35 percent, and Portugal has set a target of 100 percent by 2030. In sparsely populated areas the figure was 92.26 percent.
• Coverage on the faster 3.4 to 3.8 GHz band is much thinner: 71.38 percent of all households in 2024, but only 21.45 percent in sparsely populated areas, so 5G in rural Portugal mostly runs on lower frequencies.
• 5G SIM cards made up 27.49 percent of all SIM cards in Portugal in 2024, below the EU share of 35.56 percent. One Portuguese operator added 5G standalone to its offer in 2024.
• Portugal had assigned 61.11 percent of the EU's 5G pioneer band spectrum in 2025, below the EU average of 74.63 percent. In February 2025 ANACOM found that releasing the 2 x 5 MHz left unassigned in the 5G auction soon may be justified.

ポルトガルのネットワークについて

• Mainland Portugal, the Azores and Madeira, and the two archipelagos with each other, are linked by a domestic submarine cable ring, the CAM ring, in service since 1999. A contract signed on 13 March 2024 with Alcatel Submarine Networks, worth about 154.4 million euros, replaces it by the end of 2026.
• The new CAM ring will have 3,812 km of submarine cable in a ring layout with six fibre pairs and at least 150 Tbps of capacity, operated for 25 years by IP Telecom, part of the state infrastructure group Infraestruturas de Portugal. It also carries a sensing component for earthquake detection and climate monitoring.
• The cables linking individual islands within the archipelagos were left out of the new CAM ring project and can only be replaced after it is complete.
• A new operator entered Portugal's mobile market in November 2024, and the three established operators responded with larger data allowances, lower prices, reworked bundles and shorter minimum contract periods.
• The state concession for the new CAM ring is meant to keep a single public operator for the cables and to align telecom prices in the Azores and Madeira with those on the mainland.
• During the nationwide power cut of 28 April 2025, the prolonged loss of electricity knocked on into the mobile and fixed networks, affecting access to emergency services and communication between them, and access to 112 was heavily restricted on fixed lines.