Ключевые слова: active, bad, bad signal, call, camp tent, camping, campsite, cell, cellphone, chatting, coverage, device, field, grass, green, happy, hiker, hiking, internet, male, message, mobile, mobile calling, mountain, nature, network, online, outdoor, outdoors, people, phone, problem, roaming, searching, sending, signal, technology, telephone, tent, texting, travel, trekking, weak signal, wireless,