RFI CDX-TREME CDX8197 - 7.5dBi Quick Removable Spring Based Mobile Antenna 4G + 5G
SKU: CDX8197-B
RFI CDX-TREME CDX8197 - 7.5dBi Quick Removable Spring Based Mobile Antenna 4G + 5G
Key Features
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Superior RFI Patented Rugged Design - Built tough to withstand heat, corrugations and weather extremes.
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Extreme Gain - Optimised for maximum performance in remote and fringe coverage zones.
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Proven Reliability - Backed by RFI’s 45+ years of engineering excellence.
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Adventure Ready - Aesthetic design that looks right at home on your 4WD or touring vehicle.
Additional
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Designed specifically for 4x4s, SUVs, and UTEs, the new CDX-TREME Ruggedised Cellular Antenna boasts a notably larger, heavy-duty spring engineered to endure the harshest terrains while providing a genuinely rugged appearance. Its reinforced ferrule design guarantees unparalleled durability and stability, even in extreme off-road environments. This antenna not only excels in performance but also makes a bold statement.
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At the core of the CDX-TREME is RFI’s patented Meander™ PCB technology, which is developed and manufactured in Australia, demonstrating superior performance in the most isolated areas. It is encased in an enlarged radome that has been meticulously crafted to ensure outstanding RF performance, mechanical strength, and long-range connectivity across the entire range of 4G and 5G — from 5G LTE (3400–3800 MHz) to 4G LTE (698–960 MHz, 1710–2170 MHz, 2300–2700 MHz).
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RFI has placed a strong emphasis on bands that are crucial for areas with marginal coverage, including essential low-frequency bands that are increasingly utilized by telecommunications providers, to guarantee robust and dependable connectivity in urban, regional, and remote settings. You can rely on over 45 years of performance from RFI Antennas, and this legacy is once again reflected in this new antenna solution.
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Created by RFI’s elite antenna engineering team, the CDX-TREME antenna establishes a new standard in rugged cellular connectivity — merging state-of-the-art innovation with unwavering reliability. Constructed to be tough, it performs exceptionally well and presents an impressive appearance — this exemplifies Australian engineering at its best, prepared to conquer the outback and beyond.
Specifications / Frequency
| Network Compatibility |
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| Telstra 4GX (700MHz) |
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| Optus 4G+ (700MHz) |
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| Telstra Next-G™ (850MHz) |
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| Vodafone 4G+ (850MHz)* *Please check Vodafone Coverage Map |
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| Telstra/Optus/Vodafone 4G (1800MHz) |
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| Optus 4G TDD (2300MHz) |
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| Telstra 4GX (2600MHz) |
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| All Networks 5G (3500MHz) | 6.5dBi | |
Electrical Specifications
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Frequency Range: 698-960MHz / 1710-2170MHz / 2300-2700 / 3400-3800MHz
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Input Impedance: 50Ω
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VSWR: <2.5:1
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Polarisation: Vertical
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Radiation: Omnidirectional
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Vertical Beamwidth: 20° / 30° / 20° / 15°
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Maximum Power: 10Watts
Mechanical/Environmental Specifications
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Construction: Fibreglass/Removable & Heavy Duty Convex Spring
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Cable: 5m Cellfoil 9006 low loss coaxial
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Connector: SMA Male
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Length: 1200mm
A heads up!
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This product is over 1100mm long and can only be delivered by a courier (not Australia Post), therefore, we cannot accept a PO Box.
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Please provide an address where someone will be present to sign for the package.
Connection
This antenna has a 5m cable that terminates with an SMA Male connector
The SMA Male is the most common type of connector for mobile antennas and mates with the SMA Female connector found on the Cel Fi Repeaters & our various patch leads.
If you would like a shorter length of cable, or a different connector, please email us so we can customise this antenna for you.
Read More

(CDX8197-B)
| SKU | CDX8197-B |
| Brand | RFI |
| Shipping Weight | 1.9000kg |
| Shipping Width | 0.080m |
| Shipping Height | 0.080m |
| Shipping Length | 0.990m |
| Shipping Cubic | 0.006336000m3 |
