SIRIO CX-440 (440–455MHz) 3/4 Wave J-Pole Antenna – N-Female Connector
SIRIO CX-440 (440–455MHz) 3/4 Wave J-Pole Antenna – N-Female Connector
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Sirio Antennas – CB, Amateur & Professional Radio Solutions
SIRIO CX-440 (440–455MHz) 3/4 Wave J-Pole Antenna – N-Female Connector
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Add the item to your basket in the normal way and at checkout choose to make payment via Finance. You’ll then be taken through to our partners Pay4Later to make your finance application.
| Item Cost | Finance Option | Deposit | Monthly Payments | Total Cost |
|---|---|---|---|---|
£34.96
|
12 Months 14.9% APR
|
£3.50
|
£3.01
|
£39.64
|
£34.96
|
18 Months 14.9% APR
|
£3.50
|
£2.01
|
£39.64
|
£34.96
|
24 Months 14.9% APR
|
£3.50
|
£1.51
|
£39.64
|
£34.96
|
36 Months 14.9% APR
|
£3.50
|
£1.00
|
£39.64
|
£34.96
|
48 Months 14.9% APR
|
£3.50
|
£0.75
|
£39.64
|
£34.96
|
12 Months 19.5% APR
|
£3.50
|
£3.13
|
£41.09
|
£34.96
|
18 Months 19.5% APR
|
£3.50
|
£2.09
|
£41.09
|
£34.96
|
24 Months 19.5% APR
|
£3.50
|
£1.57
|
£41.09
|
£34.96
|
36 Months 19.5% APR
|
£3.50
|
£1.04
|
£41.09
|
£34.96
|
48 Months 19.5% APR
|
£3.50
|
£0.78
|
£41.09
|
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SIRIO CX-440 (440–455MHz) 3/4 Wave J-Pole Antenna – N-Female Connector
The SIRIO CX-440 (440–455 MHz) 3/4-Wave J-Pole Antenna is engineered for reliable communication and consistent performance across UHF bands. Designed with precision and durability, this antenna is an excellent choice for both amateur enthusiasts and professional operators.
Frequency Range: 440–455 MHz
Design: 3/4 Wave Coax J-Pole with Gamma Match feed system
Impedance: 50 Ohms – compatible with a wide range of systems
Radiation Pattern: Omnidirectional with 60° beam width for broad coverage
Gain: 2 dBd to 4.15 dBi for dependable signal strength
Bandwidth: 33.5 MHz at SWR 2:1
Power Handling: Up to 200 Watts
Features & Benefits
Easy Integration: Equipped with an N-female base connector for straightforward setup.
Durable Build: Wind load resistance of 25 N at speeds up to 180 km/h ensures stability in harsh conditions.
Compact & Lightweight: With a height of 625 mm and a weight of only 450 g, installation is simple.
Versatile Mounting: Fits masts from 35–42 mm diameter.
Vertical Polarisation: Optimised for precise and consistent communication.
Why Choose the SIRIO CX-440?
Whether you’re setting up a base station or enhancing your mobile communication system, the CX-440 delivers reliable performance, wide bandwidth, and rugged durability. It’s a practical, high-quality solution for anyone seeking strong, stable signals in demanding environments.
Our Price Match Promise means that if you find any of our Equipment at a lower advertised price elsewhere, we will match the price for you, subject to the below.
- The product is identical to ours in brand, colour, size and model number.
- The price must be the advertised price clearly on the competitor's online site.
- The item must be in stock and available for immediate purchase (rather than available to order), with the authorised stockist able to complete delivery within 2-3 days.
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