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 Model AC3-312 225-400 MHz 3 dBi Gain 


Design Features : AC3-312 Omni-directional UHF aviation band shipboard antenna is rugged all weather model, enclosed in a ABS radome, uses 6063T6 ultra corrossion resistant aluminum alloy and does not require any field tuning or adjustments. The antenna is supplied with powder coating to protect it further from severe environment conditions. The compact size (0.9Meter shipping length) of omni-directional UHF aviation band antenna allows easy handling, shipping and highly suitable for Shipboard application and ATC sites without having the requirement of multiple antennas. The N-Female termination of antenna is fixed at the bottom of the mounting pipe for complete weather protection. Cylindrical enclosure is used for low wind loading and for minimal effect of ice formation on the antenna operation as well as providing an aesthetically pleasing appearance.

Constructions: The UHF aviation band shipboard antenna is consist of large diameter radiating elements stacked vertically and enclosed in ABS radome. The special “Choke and Spark Gap” technique is used for smooth VSWR and constant 3dBi. gain over the entire 225-400 MHz. frequency band. The UV resistant ABS enclosure has excellent transparency for RF signals and enough strength to withstand specified wind loads. The marine grade type 316 stainless steel mounting hardware and bird resistant cap is supplied with the antenna.

Electrical Specifications:
Frequency Range225-400 MHz
Gain3 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 Stainles Steel
Wind Rating200 Km/Hr.
Overall Length850 mm
Shipping Length900 mm
Maximum Mount Pipe Diameter 52 mm (2Inches)
Radome MaterialABS
Net Weight5 Kgs.
Gross Weight6 Kgs.

Environmental Specifications:
Operating Temperature(-)40 to +85 Degrees Celsius
Storage Temperature(-)45 to +85 Degrees Celsius
Humidity0 to 95% RH