The Telewave ANT275D series features a range of antennas including single, dual, and quad-element dipole arrays, each accompanied by a precision phasing harness designed to enhance performance optimally. These antennas allow for an adjustable horizontal pattern, enabling users to modify coverage as needed, both now and in the future. Their broad bandwidth and high efficiency render them suitable for a variety of uses such as military operations, trunked radio systems, and commercial applications.
Constructed from 6061-T6 aluminum, the durability of each dipole element is ensured through welding at the base, providing superior strength. To further enhance their resilience, each antenna is coated with Telewave’s advanced Txylan™ coating. This coating effectively prevents the accumulation of water and ice, and offers outstanding resistance against corrosive agents, UV light, saline mist, acid precipitation, and abrasive winds. Additionally, the phasing harness is protected with Telewave’s Millenium Seal™ technology, ensuring it remains fully sealed.
For added safety, all parts of the antenna maintain a DC ground potential to safeguard against lightning strikes. The package includes robust custom clamps for secure installation on galvanized steel support pipes or tower legs, with diameters ranging from 1.5” to 2.5”.
For specific models such as D3 or D6-9, it's possible to request up to 15 degrees of electrical uptilt or downtilt. Customers must specify their desired tilt angle when placing an order and are encouraged to consult with Telewave’s antenna engineering team for optimal setup and performance.
Additional Information:
Telewave ANT275D3 Specifications:
Frequency (continuous):
230-330 MHz
Power rating (typ.):
500 watts
Impedance:
50 ohms
VSWR:
1.5:1 or less
Pattern:
Adjustable: Offset circular, cardioid, or bidirectional
Termination:
N-Male or 7-16 DIN (opt.) on harness feed cable
Wind rating:
175 MPH with 0.5” ice - 150 MPH
Lightning protection:
DC Ground
Gain (dependent on pattern):
3-6 dBd
Vertical beamwidth (3/8 wl.):
34°
Dimensions (H x D) max:
56 x 20 in.
Weight (Antenna + clamps):
11 lb.
Maximum exposed area:
1.0 ft.²
Lateral Thrust at 100 MPH:
39 lb.
Electrical uptilt or downtilt:
1-15°
Note:
For detailed specifications on this item, download Telewave Large Product Brochure (the link is below). Bulky items may incur higher shipping charges, please inquire before ordering.
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Telewave Inc. designs and manufactures high quality RF system products. It serves wireless system operators, public safety providers, local and state governments, and federal agencies in the United States and internationally. The company was founded in 1972 and is based in San Jose, California. Telewave strives to be the premier supplier of seamless interoperable communication systems that provide security and reliability in mission critical eco-systems for both commercial and military applications worldwide. Telewave products are used by more than 7,500 equipment and network manufacturers and government agencies throughout the world.
IC-F40GT UHF portable, IS version, with DTMF keypad, 400-430 MHz, multi mode (12.5/25 kHz), 4W, 256 channels, with 110V Rapid Charger (BC-144 21). Includes 1650 mAh Ni-MH IS battery (BP-210FM), clip (MB-74N) & owners manual
Telewave-ANT275D-series-antennas.pdf (73.94 KB)
Telewave Inc. designs and manufactures high quality RF system products. It serves wireless system operators, public safety providers, local and state governments, and federal agencies in the United States and internationally. The company was founded in 1972 and is based in San Jose, California. Telewave strives to be the premier supplier of seamless interoperable communication systems that provide security and reliability in mission critical eco-systems for both commercial and military applications worldwide. Telewave products are used by more than 7,500 equipment and network manufacturers and government agencies throughout the world.
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