DeLOCK 12551 antenna

The DeLOCK 12551 is a compact indoor WLAN antenna that supports dual-band operation on 2.4 GHz and 5 GHz frequencies. With a maximum gain of 3.18 dBi and compatibility with IEEE 802.11a/b/g/n/ac/d/h standards, this vertically polarized antenna connects via an MHF connector and comes in a discreet black finish.

Advantages

The antenna provides stable reception and transmission across common Wi‑Fi bands used in homes and offices. Its small dimensions and vertical polarization make it suitable for space‑constrained installations while maintaining compatibility with multiple wireless standards. The MHF connector allows straightforward attachment to compatible devices.

Suitable for

• Indoor Wi‑Fi range extension and signal improvement
• Routers, access points and wireless modules with MHF connector
• Compact networking setups where space is limited

Key specifications

• Frequency band: 2.4 - 2.5 GHz, 5.150 - 5.850 GHz
• Antenna gain (max): 3.18 dBi
• Polarization: Vertical
• Connector type: MHF
• Supported standards: IEEE 802.11a/b/g/n/ac/d/h
• Colour: Black
• Dimensions (W×D×H): 5 × 50 × 5 mm

How to use

Connect the DeLOCK 12551 to a compatible device using the MHF connector, ensuring the connector is aligned and seated securely. Position the antenna vertically for optimal polarization alignment with typical access points and client devices. Place the antenna indoors in a location that minimizes obstructions and interference for improved signal performance.

Recommendations

For best results, install the antenna away from large metal objects and other electronic devices that may cause interference. Test different indoor positions and heights to find the best reception; slight adjustments can noticeably improve Wi‑Fi performance.