# MERCUSYS 300MBPS HIGH GAIN WIRELESS USB ADAPTER

FEATURES • 300Mbps Wireless Speed - Enjoy stable Wi-Fi performance for everyday internet activities such as browsing, streaming, and video calls • 5dBi High-Gain Antenna - External antenna significantly improves signal reception and transmission for stronger connectivity • Adjustable Multi-Directional Antenna - Easily rotate and position the antenna for the best wireless signal • Flexible USB Extension Cable - Allows convenient placement of the adapter to achieve optimal reception • Enhanced Wireless Security - Supports WPA/WPA2 encryption to protect your network from unauthorised access • Easy Setup for Windows - Quick installation with driver support for Windows operating systems SPECIFICATIONS ANTENNA TYPE • External DIMENSIONS (W × D × H) • 113.2 × 63.8 × 21.7mm (Without Antennas) • 113.2 × 100.5 × 201.1mm (With Vertical Antennas) WIRELESS STANDARDS • IEEE 802.11n • IEEE 802.11g • IEEE 802.11b FREQUENCY • 2.400~2.4835GHz SIGNAL RATE • 11n: up to 300Mbps (Dynamic) • 11g: up to 54Mbps (Dynamic) • 11b: up to 11Mbps (Dynamic) RECEPTION SENSITIVITY • 300M: -68dBm @10% PER • 270M: -68dBm @10% PER • 144M: -71dBm @10% PER • 130M: -71dBm @10% PER • 54M: -74dBm @10% PER • 11M: -86dBm @8% PER • 6M: -90dBm @10% PER • 1M: -94dBm @8% PER TRANSMISSION POWER • ≤20dBm (EIRP) WIRELESS SECURITY • WEP • WPA/WPA2 • WPA-PSK/WPA2-PSK INTERFACE • Micro USB2.0 CERTIFICATIONS • CE • RoHS ENVIRONMENT • Operating Temperature: 0~40°C • Storage Temperature: -40~70°C • Operating Humidity: 10~90% Non-Condensing • Storage Humidity: 5~90% Non-Condensing SYSTEM REQUIREMENTS • Windows 10 / 8.1 / 8 / 7 / XP (32/64bit)

## Details

- **Price:** 206.0 ZAR
- **Vendor:** Mercusys
- **Type:** Adapter
- **Tags:** 300mbps, adapter, gain, high, linkqage, mercusys, usb, wireless

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 206.00 ZAR | In stock |

## Images

- Mercusys 300mbps High Gain Wireless Usb Adapter — Mercusys | Guards on Duty Shop

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> Source: [Guards On Duty Shop & Security Guards ](https://guardsondutyshop.co.za/products/mercusys-300mbps-high-gain-wireless-usb-adapter)
> Updated: 2026-06-03