The RTR‑ZS is a compact 4G/LTE CAT4 modem router with a built‑in 2600 mAh backup battery to keep you online during power outages. It delivers WiFi 6 (2.4 GHz) wireless for up to 32 concurrent users, plus a 100 Mbps WAN/LAN port and RJ11 for voice. Configure easily via Web UI or the Smartlife app.

Key Features & Benefits

• 4G/LTE CAT4 — Up to 150/50 Mbps (FDD) and 110+/11+ Mbps (TDD)*
• WiFi 6 (802.11ax) — 2.4 GHz 2×2 MIMO with up to 574 Mbps*
• Battery backup — 2600 mAh Li‑ion for continuity during power loss
• 32 users — Supports up to 32 simultaneous wireless clients
• Flexible connectivity — RJ45 100M WAN/LAN, RJ11 telephony, nano‑SIM
• Wide band support — FDD‑LTE B1/2/3/5/7/8/20/28; TDD‑LTE B38/40/41
• Robust security — WEP/WPA/WPA2/WPA3‑PSK, VPN pass‑through, firewall, IPv4/IPv6
• Smart management — Web UI & Smartlife app; VoLTE, SMS via Web UI; OTA updates
• Antennas — Built‑in/External LTE options; twin external antennas included

Ideal Applications

• Backup internet for offices, retail & hospitality
• Portable connectivity for events, pop‑ups & remote work
• Small sites with cameras/intercoms where fixed lines aren’t available
• Failover WAN for small security head‑ends/NVRs

Specifications at a Glance

• Model: RTR‑ZS
• Cellular: 4G/LTE CAT4; FDD‑LTE 150/50 Mbps; TDD‑LTE 110+/11+ Mbps*
• LTE Bands: FDD B1/2/3/5/7/8/20/28; TDD B38/40/41
• Wi‑Fi: IEEE 802.11b/g/n/ax (WiFi 6) • 2×2 MIMO @ 2.4 GHz • up to 574 Mbps*
• Users: Up to 32 concurrent clients
• Interfaces: 1 × RJ45 (100M) WAN/LAN • 1 × RJ11 • 1 × Nano‑SIM
• Antennas: Built‑in or external LTE antennas (max Tx 23 ± 2 dBm)
• Management: Web UI • Smartlife app • Port forwarding • DMZ • UPnP • VPN pass‑through • VoLTE • SMS (via Web UI) • OTA
• Power: 12 V DC, 1.0 A • 2600 mAh Li‑ion backup battery
• Dimensions / Weight: 136 × 125 × 37 mm (excl. antennas) • 270 g (incl. battery)
• Operating Environment: 0 °C to 40 °C; 5–95% RH
• Certifications: CE • WEEE • RoHS • REACH • Wi‑Fi
• Warranty: 1 Year
• Shipping (incl. packaging): 80 × 290 × 80 mm • 1.00 kg