The ChDB TX 150 telescopic dipole antenna (911) is a transmitting foldable dipole antenna from the Ukrainian manufacturer ChDB (Cherkasydronbud) for TX transmitter modules in the 150 MHz band. It is designed for UAV radio control systems, reconnaissance drones, and UGVs where stable long-range control is required as part of MIL ELRS.

The telescopic design is convenient for transport and quick deployment at the control point: the antenna takes up minimal space when folded and is ready for operation in minutes. Gain 2 dBi, impedance 50 Ohm, VSWR < 1.5, bandwidth ~10 MHz in the 150 MHz sub-band (matched with the amplified range of ChDB systems 150–153 MHz).

Connection via SMA (male) connector — compatible with TX V3.3 150 MIL ELRS modules and external SMA transmitters. Easily installed on control panels and external TX modules.

Key Features

• Type: dipole, telescopic, for transmitters (TX).
• Operating range 150 MHz (ChDB systems 150–153 MHz).
• Gain 2 dBi, impedance 50 Ohm.
• VSWR < 1.5, bandwidth ~10 MHz.
• SMA (male) connector.
• Foldable telescopic design — convenient transport and deployment.

Key Advantages

• Reliable 150 MHz signal: optimized for ground control transmitters.
• Mobility: telescopic sections are compact for transport, quickly deployable on position.
• Universal mounting: control panel, external TX module, ground station.
• MIL ELRS compatibility: standard option for ChDB TX+RX 150 kits (together with telescopic or other RX).
• Low VSWR: efficient TX power transmission without unnecessary losses in the antenna.
• ChDB's own production: matched with manufacturer's transmitters and firmware.

Areas of Application

• Ground transmitter TX V3.3 150 MIL ELRS at the control point.
• ChDB TX+RX 150 MHz radio control kits (variants with telescopic TX).
• FPV and reconnaissance UAVs, UGVs on Sub-GHz 150 MHz.
• Mobile and field crews without bulky Yagi antennas.
• Replacement or backup TX 150 antenna in the field.

Package Contents

• Telescopic dipole antenna TX 150 with SMA (male) connector.

Technical Specifications

Operational Warnings

• Fully deploy the antenna before operation — partially extended sections reduce range and increase VSWR.
• Do not damage the telescopic sections when folding; avoid excessive bending.
• For maximum range at 150 MHz, the manufacturer also offers a directional Yagi; the telescopic dipole is a more compact mobile option.
• Tighten the SMA connector without misalignment; use a quality adapter if necessary.
• Keep the antenna away from metal surfaces that distort the dipole's radiation pattern.

The ChDB TX 150 telescopic antenna is a reliable ground dipole for 150 MHz: 2 dBi, low VSWR, and a convenient foldable design for field conditions and ChDB MIL ELRS kits.

For other products in this category, see Military Dipole Antennas.