The Sirio SD 1300 U is a professional-grade discone base station antenna engineered in Italy for wideband receive and multi-band transmit use. With a receive range of 25–1300 MHz and transmit capability across multiple bands including 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's the ultimate all-in-one monitoring and communications antenna. Handling up to 300W VHF and 200W UHF, standing at 1600mm (5.25ft) tall, and built from chromed brass, stainless steel, and nylon, it's a compact yet extraordinarily capable antenna for any serious radio installation. 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 Omnidirectional radiation pattern Linear vertical polarisation Discone design for exceptional wideband performance On-mast mounting SO-239 (UHF-Female) connector 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: SO-239 (UHF-Female) Height: 1600mm / 5.25ft Mounting: On-mast Materials: Chromed brass, stainless steel, nylon Country of origin: Italy
