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The Sirio SD 1300 N is a wideband discone base antenna with an N-Female connector, built in Italy from chromed brass, stainless steel and nylon. It receives from 25 to 1300 MHz and transmits on CB, 6m, 2m, 70cm, airband, marine, AIS, TETRA, LTE-450, 4G-LTE and 433 MHz ISM bands, handling up to 300 W on VHF. The N connector suits low-loss coax such as LMR-400, which is the main reason to pick it over the UHF version. It is a general-coverage antenna rather than a high-gain one, so it suits scanner listeners and multi-band operators more than anyone chasing maximum range on a single band.
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Lowest price we've seen: $113.00 on Nov 10 at Amazon. Tracked across 2 stores since Nov 10.
Ratings are few but uniformly positive, with owners treating it as a solid wideband discone that does what a discone should. Buyers value the N connector and the build quality for the money.
The Sirio SD 1300 N is the N-connector variant of Sirio's professional-grade SD 1300 discone base station antenna, engineered in Italy for wideband receive and multi-band transmit use. Identical in performance to the SD 1300 U, it features an N-Female connector for lower-loss feedline connections — making it the preferred choice for installations using LMR-400, Ecoflex, or other N-type coax. With a receive range of 25–1300 MHz and transmit capability across CB 27MHz, 6m HAM, 2m HAM, 70cm HAM, VHF Airband, VHF Marine, AIS 162MHz, TETRA, LTE-450, 4G-LTE, and ISM/SIGFOX/LoRa 433MHz, it handles up to 300W VHF and 200W UHF. Standing at 1600mm (5.25ft) and built from chromed brass, stainless steel, and nylon.
Key Features
Receive: 25–1300 MHz wideband coverage
Transmit bands (@ SWR ≤2): 49.5–50.5, 120–180, 215–300, 415–465, 610–650, 710–1000, 1130–1300 MHz
Compatible systems: CB 27MHz, 6m HAM, 2m HAM, 70cm HAM, VHF Airband, VHF Marine, AIS 162MHz, TETRA, LTE-450, 4G-LTE, ISM/SIGFOX/LoRa 433MHz
Max power: 300W VHF / 200W UHF
Gain: 0 dBd / 2.15 dBi at lowest frequency
N-Female connector — ideal for low-loss LMR-400 / Ecoflex coax installations
Omnidirectional radiation pattern
Linear vertical polarisation
Discone design for exceptional wideband performance
On-mast mounting
Height: 1600mm / 5.25ft
Premium materials: chromed brass, stainless steel & nylon
Made in Italy by Sirio
Technical Specifications
Type: Discone base antenna
Radiation: Omnidirectional
Polarisation: Linear vertical
RX frequency range: 25–1300 MHz
TX bands (@ SWR ≤2): 49.5–50.5 / 120–180 / 215–300 / 415–465 / 610–650 / 710–1000 / 1130–1300 MHz
Max power: VHF 300W / UHF 200W
Gain: 0 dBd / 2.15 dBi (lowest frequency)
Connector: N-Female
