The Sirio SD 1300U is a premium extremely wide-band discone antenna designed for both receiving and transmitting across a massive 25–1300MHz frequency range. Perfect for scanner enthusiasts, amateur radio operators and monitoring stations, this omni-directional antenna provides excellent broadband coverage with reliable all-round reception.

Constructed from high-quality chromed brass, stainless steel and nylon materials, the SD 1300U is engineered for long-lasting outdoor performance and weather resistance. Its wide compatibility makes it suitable for CB, HAM, airband, marine, AIS, LTE, TETRA and SDR applications.

Featuring a UHF SO-239 connector and mast mounting system, installation is quick and straightforward for home or professional setups.

Features

• Extremely Wide Frequency Coverage
• Broadband Discone Antenna Design
• Omni-Directional Performance
• Suitable for RX & TX Operation
• Vertical Polarisation
• Durable Stainless Steel Construction
• Ideal for Scanner, SDR & Amateur Radio Use
• SO-239 UHF Female Connector
• Easy Mast Mount Installation

Frequency Coverage

Receive Range

• 25 – 1300 MHz

Transmit Ranges (@ SWR ≤ 2)

• 49.5 – 50.5 MHz
• 120 – 180 MHz
• 215 – 300 MHz
• 415 – 465 MHz
• 610 – 650 MHz
• 710 – 1000 MHz
• 1130 – 1300 MHz

Suitable Applications

• CB 27MHz
• 6m Amateur Radio
• 2m Amateur Radio
• 70cm Amateur Radio
• VHF Airband
• Marine VHF
• AIS 162MHz
• TETRA
• LTE 450
• 4G LTE
• ISM / SIGFOX / LoRa 433MHz
• Wideband Radio Scanning
• SDR Receivers

Specifications

• Brand: Sirio
• Model: SD 1300U
• Antenna Type: Discone
• Radiation Pattern: Omnidirectional
• Polarisation: Linear Vertical
• Gain: 0 dBd / 2.15 dBi @ Lowest Frequency
• Maximum Power:
  • VHF: 300 Watts
  • UHF: 200 Watts
• Connector: SO-239 UHF Female
• Materials:
  • Chromed Brass
  • Stainless Steel
  • Nylon
• Height: Approx. 1600 mm / 5.25 ft
• Weight: Approx. 1140 g / 2.51 lb
• Mounting Type: On-Mast