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ZBT WiFi 6 Router | Dual 5G/4G M.2 Slots | 3000Mbps | MT7981B | Hardware Watchdog - Z8119AX-M2-T

Dual M.2 5G/4G Module Slots: Two independent M.2 interfaces (USB3.0 + USB2.0) support simultaneous dual 5G/4G module expansion for redundant, always-on cellular connectivity.

Hardware Watchdog for Auto-Recovery: Monitors system heartbeat every second; automatically restarts the full system within 15s on crash, or power-cycles only the failed 5G/4G module via GPIO — zero manual intervention needed.

WiFi 6 AX3000 Dual-Band: MT7976CN chip delivers 574Mbps @ 2.4GHz + 2400Mbps @ 5.8GHz with OFDMA and MU-MIMO for high-density, low-latency deployments.

MT7981B Dual-Core 1.3GHz + 512MB DDR3: Enterprise-grade processing power handles multi-module concurrent operation and heavy routing workloads with ease.
Category Specifications
CPU MT7981B, ARM Cortex-A53 Dual-Core, up to 1.3GHz
WiFi Chip MT7976CN, IEEE 802.11n/g/b/a/ac/ax, up to 3000Mbps
RAM DDR3 512MB
Flash SPI NAND Flash 128MB (NOR Flash 16MB optional; eMMC 8GB–256GB optional)
5G/4G Interface 2 × M.2 (USB3.0 + USB2.0), supports dual 5G/4G module expansion simultaneously
Hardware Watchdog
  • Monitors system heartbeat every 1 second
  • Restarts entire system within 15s if no heartbeat for 120s
  • Independently power-cycles failed 5G/4G modules via GPIO
External Power Supply Input: 9–54V DC / Rated: 12V / 2.5A
Environment
  • Operating Temperature: 0℃–40℃
  • Storage Temperature: -40℃–70℃
  • Working Humidity: 10%–90% RH non-condensing
  • Storage Humidity: 5%–90% RH non-condensing
Dimensions 300 × 181 × 35 mm | Color: Black
SKU: Z8119AX-M2-T
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MT7981B ARM Cortex-A53 Dual-Core CPU @ 1.3GHz for stable high-throughput routing

MT7976CN WiFi 6 Chip: Up to 3000Mbps total (574Mbps @ 2.4G + 2400Mbps @ 5.8G), OFDMA, MU-MIMO

512MB DDR3 RAM: Ample memory for multi-module concurrent operation

2× M.2 Interfaces: Supports expansion of 2 independent 5G/4G modules simultaneously via USB3.0 & USB2.0

Hardware Watchdog: Auto-detects system heartbeat every 1 second; restarts entire system within 15 seconds if no heartbeat for 120 seconds; independently power-cycles failed 5G/4G modules via GPIO

Flash: SPI NAND Flash 128MB (NOR Flash 16MB & eMMC 8GB~256GB optional)

Dimensions: 300 × 181 × 35 mm | Color: Black | Power: 12V/2.5A
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Shenzhen Zhibotong Electronics Co., Ltd.

Verified Manufacturer • 15+ Years of Industry Expertise • OEM/ODM/B2B Wholesale
Stable Production • Quality Certified

Core Products: OpenWRT WiFi Routers, 4G/5G WiFi Routers, Car WiFi Routers, Mesh Routers, 4G LTE/5G CPE

✓ Minor Customization
✓ Full Customization
✓ Sample-Based Customization
✓ CCC/CE/FCC Certified

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Address
D301, Building D, No. 54-6, Guanlan Avenue, Xinhe Community, Fucheng Street, Longhua District, Shenzhen ，China
Phone +86 15818538755
Email zbt11@zbt-china.com
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