VHF/UHF ELT Antenna | Bent Rod, 121.5, 156.8, & 243MHz

The 21-50-339 is an externally mounted airborne VHF/UHF/ELT (Emergency Locator Transmitter) antenna operating over the maritime and aviation distress frequencies. The radiating element comprises a hard drawn alloy tube inserted into a moulded base which contains foamed-in place matching circuits capable of handling up to 25 Watts power. The method of construction provides protection from environmental conditions including vibration, shock and temperature variations.

Features

• Covers Maritime and aviation ELT VHF & UHF frequencies
• Lightweight and Ultra Low Profile
• Only 8.5” stand off height
• For helicopter and fixed wing aircraft up to 250 Knots
• Glass/Epoxy –aluminum construction
• Small footprint
• Designed to DO160 environmental conditions
• 25 watts power handling

Specifications

Weight:
0.37 lb

Height:
8.5 in.

Frequency:
121.5, 156.8, 243 MHz

Impedance:
50 Ohms Nominal

VSWR:
2.6:1 Maximum

Polarization:
Vertical

Pattern:
Omnidirectional

Connector:
BNC Female

RF Power Capacity:
25 Watts

Mounting:
4-hole