Travel WiFi - Pocket WiFi & SIM Card Rental Japan - Sakura Mobile
4G Router 300Mbps LTE Outdoor Waterproof Router CPE Portable Mobile WiFi with SIM Card Slot
Mobile Hotspot, Wireless Mobile Router, 9.5x6.5x1.8cm 2000mAh For 3G/4G SIM Card 4 Color LED Lights Europe / Asia Black / White - Walmart.com
Amazon.co.jp: JT201 Mobile Router, SIM Free WiFi (Single Device) (SoftBank/au/Docomo/Rakuten Compatible) *SIM and mobile battery are not included : Electronics