Omni-directional antenna DeLOCK 12423

The DeLOCK 12423 omni-directional antenna supports multiple GSM and related wireless bands for indoor and outdoor use. It operates across 0.824–0.960 GHz and 1.710–2.200 GHz, with a maximum gain of 3.5 dBi, 50 Ω impedance and vertical polarization. The compact black housing measures 50 × 50 × 384 mm and the antenna is fitted with an SMA connector; it is supplied in a polybag.

Advantages

The antenna’s omni-directional pattern provides uniform reception and transmission in all horizontal directions. Wide dual frequency coverage makes it compatible with GSM/UMTS bands and other technologies such as ZigBee (868/915 MHz), DECT, Z‑Wave and LoRa (868/915 MHz). A 50 Ω impedance and standard SMA connector ensure simple integration with common wireless equipment.

Suitable for

• Improving GSM and UMTS signal reception in homes and small offices
• Integrating with IoT devices using ZigBee, Z‑Wave or LoRa (868/915 MHz)
• Extending DECT base station coverage
• Applications that require an external SMA antenna with vertical polarization

Key specifications

• Frequency band: 0.824–0.960 GHz / 1.710–2.200 GHz
• Gain (max): 3.5 dBi
• Impedance: 50 Ω
• Polarization: Vertical
• Connector: SMA
• Dimensions (W × D × H): 50 × 50 × 384 mm
• Colour: Black

How to use

Connect the antenna to the device’s SMA socket, ensuring the connector is tightened by hand until secure. Position the antenna upright for optimal vertical polarization and mount it where it has a clear line of sight to the desired signal sources when possible. For outdoor installations, use weatherproof mounting hardware and route cables to avoid water ingress at the connector.

Usage recommendations

For best results, place the antenna away from large metallic objects and electronic noise sources. If signal levels are low, try changing the mounting location or using a low-loss coaxial cable between the antenna and the device to reduce attenuation.