Radio Frequency Systems company website is optimized for recent browsers :
IE9+, Chrome 31+, Firefox 31+, Opera 28+, Safari 7+


My e-catalog

NGV02-C170
High-band VHF Broadband Slot Antennas with Cardioid Pattern for NextGen-TV Networks. Low Wind-load, Elliptically or Circularly Polarized.

PRODUCT DESCRIPTION

The NGV series antennas are ideal for multi-channel Next Generation TV networks. These antennas are typically deployed at SFN sites that surround the main transmission site in a NextGen-TV single frequency network (SFN). 
The high-power rating and broadband performance allow multiple channels to be transmitted from an SFN site, thus reducing capital costs and providing consistent coverage across channels. Elliptical or circular polarization is available for improved transmission to portable and indoor devices. 
The NGV family of antennas provide both top-mounted and side-mounted solutions in a low wind load format. 
A wide range of radiation patterns are available. The RFS Antenna Selection Tool contains pattern data for all NGV antenna models and works alongside modern SFN planning tools to help you choose the right NextGen antenna for each SFN site. To download, click Here

FEATURES / BENEFITS

  • Broadband performance from CH7-13 for multi-channel SFN networks allows infrastructure sharing and reduces overall CAPEX.
  • Low wind-load reduces tower loads thus simplifying SFN site acquisition.
  • Economical low weight and low wind-load alternative to panel antennas.
  • Broadband elliptical or circular polarization performance – improves signal penetration and network performance.
  • Radiation patterns with reduced back-radiation are available for SFN sites requiring interference mitigation.
  • Supplied with brackets for side mounting to a wide range of tower leg sizes.
     

TECHNICAL FEATURES

Details 

Product Type   Broadband VHF Slot Antenna

Electrical Specifications 

Antenna Type   Broadband Slot Antenna
Operating Frequency Range MHz 174-216
Polarization   Elliptical or Circular
Azimuth Radiation Pattern   Cardioid C170
VSWR   <1.2:1
Impedance Ohms  50

Mechanical Specifications 

Radome Diameter mm (in) 571 (22.5)
Pressurization Operational kPa (psi) 10 to 25 (1.4-3.6)
Pressurization Test kPa (psi) 100 (15)

Material

Material - Radome   UV Resistant Fibre Glass
Material - Insulators   Virgin PTFE
Material - Support Pole / Mounting   Hot Dipped Galvanized Steel
Material - Feedline & Radiators   Copper
Material - Reflecting System   Aluminum
Color   White, others on request

Model Number Specifications 

Antenna Model   NGV02-C170 NGV04-C170 NGV06-C170 NGV08-C170 NGV12-C170
Number of Bays   2 4 6 8 12
Elevation Gain at 195MHz Numerical 2.5 5.1 6.8 9.7 13.7
Azimuth Pattern Directivity Numerical 1.7
Peak Gain at 195MHz Numerical 4.3 8.6 11.5 16.5 23.2
Peak Gain at 195MHz dBd 6.3 9.3 10.6 12.2 13.7
Standard Beam-Tilt [note 1] 2.0 2.0 1.5 1.5 1.0
Power Rating: High Power Model kW 8 15 23 30 45
Connector: High Power Model   3-1/8" EIA 3-1/8" EIA 3-1/8" EIA 3-1/8" EIA 4-1/16"
Power Rating: Low power Model kW 4 8 12 16 24
Connector: Low Power Model   1-5/8" EIA 1-5/8" EIA 3-1/8" EIA 3-1/8" EIA  3-1/8" EIA
Mounting Type   Side Side Side Side Side
Height m (ft) [note2] 3.31 (10.8) 6.61 (21.7) 9.92 (32.5) 13.22 (43.4) 19.83 (65.1)
Weight kg (lb) [note2] 165 (364) 420 (926) 630 (1389) 840 (1852) 1260 (2778)
Effective Area Front (No Ice)

m2 (ft2)
[note 2,3,4]

1.33 (14.3) 2.66 (28.6) 3.99 (42.9) 5.32 (57.3) 7.98 (85.9)

External Document Links

Antenna Selection Tool: Download

Notes

Note 1: Other Beam-tilts available on request

Note 2: Data shown is for side mounted antennas 

Note 3: Design Parameters in accordance with TIA-222-G are:

  • 160 kmh (100 mph) Basic Wind Speed with no ice
  • Structure Class II
  • Topographic category 1, Exposure category C
  • Interface steelwork to tower not included in calculations.

Note 4: Moment of arm from mounting pole to centre of antenna = 0.65m (2.1ft).