The H720ttd is an industrial‑grade LTE+TD‑SCDMA dual‑SIM router with multiple Ethernet, Wi‑Fi and optional interfaces for IoT applications.
The H720ttd LTE+TD‑SCDMA dual‑SIM router from Yilinsi is designed for industrial IoT deployments such as smart grid, transportation, and remote monitoring. It features dual‑module connectivity, automatic link switching, and a rugged metal enclosure with IP30 protection.
Key hardware includes a high‑performance 32‑bit industrial processor, 8 MB flash, 64 MB RAM, four LAN ports, one WAN port with PoE, and optional Wi‑Fi, GPS and DTU modules. The device supports a wide range of 2G/3G/4G bands, VPN, firewall, and advanced management interfaces. This manual is written in Chinese.
| CPU | Industrial 32‑bit communication processor |
|---|---|
| Flash Memory | 8 MB (64 Mb) |
| RAM | 64 MB (512 Mb) |
| Power Input | DC 5 V–40 V (optional up to 50 V) |
| Operating Temperature | -35 °C to +75 °C |
| Dimensions | 180 mm × 110 mm × 31 mm |
| Weight | 705–725 g (without antenna) |
| Supported 4G LTE Bands | Band 1‑5, 7‑8, 12, 13, 17, 19‑21, 25, etc. |
It supports LTE (4G), TD‑SCDMA (3G), and 2G GSM/GPRS/EDGE networks.
Yes, it supports IPSec, PPTP, L2TP, GRE and related VPN features.
The router accepts a wide DC input range of 5 V to 40 V, with an optional range up to 50 V.