If you need a different format (academic, marketing one-pager, regulatory compliance), let me know. Document ID: CH-899-TS-001 Revision: 1.0 Date: April 17, 2026 Product Type: Portable 4G LTE to WiFi Hotspot / Travel Router 1. Overview The CH-899 Chouchin WiFi is a compact, battery‑powered mobile hotspot designed for travelers, remote workers, and temporary connectivity needs. It creates a private WiFi network by utilizing a cellular SIM card (or embedded eSIM in later revisions) and sharing the internet connection with up to 10 client devices.