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 Model AC-118-400 118-400 MHz 2 dBi Gain 


Design Features : AC-118-400 Omni-directional VHF/UHF aviation band antenna is rugged all weather model, radiator enclosed in a ABS radome, uses high class brass 6063T6 ultra corrossion resistant aluminum alloy and does not require any field tuning or adjustments. The antenna is supplied with powder coating to protect is further from severe environment conditions. The compact size (1 Meter shipping length) of omni-directional VHF/UHF aviation band antenna allows easy handling, shipping and highly suitable for ATC sites without having the requirement of multiple antennas. Antenna termination and feed cable lie enclosed inside the mounting pipe for complete weather protection.

Constructions: The VHF/UHF aviation band antenna is consisting of large diameter radiating elements, enclosed in ABS tube. The special “Choke and Spark Gap” technique is used for smooth VSWR and constant 2dBi. gain over the entire 118-400 MHz. frequency band. Large diameter vertical radiating element ensures the constant vertical beam-width of 76 degrees over the entire band. The ABS enclosure has excellent transparency for RF signals and enough strength to withstand specified wind loads. The stainless steel mounting brackets are supplied with the antenna.

Electrical Specifications:
Frequency Range118-400 MHz
Gain2 dBi
BandwidthEntire Band
Input Impedance50 Ohms
Radiation PatternOmni-directional
VSWR - Equal To or Better Then1:2
RF Power Handling Capacity500 Watts
Input TerminationN-Female

Mechanical Specifications:
Antenna Materials6063T6 Aluminum
Mounting Hardware -MaterialsMarine Grade Stainless Steel
Wind Rating200 Km/Hr.
Overall Length1.2 Meters
Shipping Length1.0 Meter
Maximum Mount Pipe Diameter 52 mm (2 Inches)
Radome MaterialABS
Gross Weight5 Kgs.

Environmental Specifications:
Operating Temperature(-)30 to +70 Degrees Celsius
Storage Temperature(-)40 to +80 Degrees Celsius
Humidity0 to 95% RH