The D-Link G403C gives you reliable 4G LTE internet wherever fixed broadband isn’t available. Just insert a SIM card, and you’re connected — no cables, no complicated setup. WPA3 security and automatic WAN failover mean your connection stays protected and uninterrupted.
Key Features
- 4G LTE Cat 4 support with downlink speeds up to 150 Mbps and uplink speeds up to 50 Mbps.
- Cable-free setup — insert a SIM card for immediate internet access, no wired infrastructure required.
- Automatic WAN failover switches you to a backup connection if your primary internet goes down.
- Wi-Fi speeds up to 300 Mbps for browsing, email, and social media.
- Two 5dBi external antennas boost cellular and Wi-Fi signal coverage.
- Guest Wi-Fi network isolation keeps your main network data separate and secure.
- WPA3 encryption with EN18031 and IEC 62443-4-1 security certifications.
Specifications
- 4G LTE Category: Cat 4
- Downlink Speed: Up to 150 Mbps
- Uplink Speed: Up to 50 Mbps
- Wi-Fi Standard: N300 (up to 300 Mbps)
- Antennas: 2× 5dBi external antennas
- Security: WPA3, Guest Wi-Fi, EN18031 and IEC 62443-4-1 certified
- Setup: SIM card insertion, cable-free









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