The RFI YH04 is a 4-element Yagi antenna offering 9 dBi gain for directional communication across the 100-250 MHz frequency range. It is designed for high-performance applications requiring precise radiation control and robust construction.

Features:

• The RFI YH04 antenna provides 9 dBi gain for strong directional signal transmission.
• This antenna features predictable beamwidths and a high front-to-back ratio for interference reduction.
• The boom and elements are made from thick-walled alodined aluminium tubing for long-term durability.
• The passive elements are secured with a unique wrap-around single bolt bracket.
• The radiating element is through-mounted for structural stability.
• All fasteners are marine-grade stainless steel with self-locking nuts to resist vibration.
• The antenna is supplied unassembled for easier transport and handling.
• It is quick to assemble using basic tools.
• The colour-coded elements and boom sections simplify setup.
• The antenna includes DC grounding on all elements for lightning and static protection.

Application Areas:

• The antenna is ideal for directional communication in RF control and telemetry systems.
• This antenna is suitable for both short and long-haul communication links.
• It is designed for use in rugged environments where performance and reliability are critical.

In the Box:

• 1x RFI YH04 4 Element Yagi Antenna (custom tuned)

Documents:

RFI YH04 Yagi Antenna - Datasheet RFI YH04 Yagi Antenna - Installation Guide Phasing of RFI Yagi Antenna - Technical Guide