Ключевые слова: 4g, 5g, abroad, advertising, brand, business, call, card, cellphone, communication, company, concept, connection, data, device, editorial, europe, free, gsm, holiday, information, internet, logo, marketing, mobile, network, offer, phone, plan, prepaid, roaming, service, shop, sign, sim, sim card, smart, smart phone, sms, strategy, technology, telecommunications, vacation, vodafone,