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D-Link DIR-457/DIR-457U User Manual
This manual covers the DIR-457/DIR-457U router’s hardware overview, package contents, system requirements, and detailed installation steps. It explains how to configure the device for Wi‑Fi, 3G modem mode, and advanced network features such as firewall, port forwarding, and VPN passthrough.
Additional sections describe SIM and battery installation, power management, connection setup for Windows and mobile devices, profile and SMS management, firmware updates, and regulatory compliance information (FCC, CE). Technical specifications and troubleshooting tips are also included.
D-Link DIR-457 specifications
| Wi‑Fi Standards | IEEE 802.11b/g |
|---|---|
| Frequency Range | 2.4 GHz to 2.483 GHz |
| Power Consumption | 2.5 W |
| Battery Voltage | 3.7 V |
| Battery Capacity | 1330 mAh |
| Dimensions | 110 mm × 65 mm × 13.6 mm |
| Weight | 104.89 g |
| Operating Temperature | 32 °F to 113 °F (0 °C to 50 °C) |
| Security Options | WEP (64/128‑bit), WPA‑PSK/WPA2‑PSK, WPS (PIN/PBC) |
| Warranty | 1 Year Limited |
Source: D-Link DIR-457 User Manual
All D-Link DIR-457 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
What is the maximum wireless speed of the DIR-457/DIR-457U?
The router provides up to 54 Mbps wireless connection with 802.11g clients.
What wireless security protocols are supported?
The DIR-457 supports WEP (64/128‑bit), WPA‑PSK/WPA2‑PSK, and WPS (PIN or push‑button).
What is the warranty coverage for the DIR-457?
The device comes with a 1‑year limited warranty.
Can the DIR-457 connect to 3G networks?
Yes, it has a built‑in HSDPA/HSUPA modem for 3G Internet services.
What are the minimum system requirements for using the DIR-457?
A computer with a PowerPC G8 processor or higher, 256 MB RAM, 100 MB free disk space and a USB 2.0 port.