FMUSER Hign Gain VHF Batwing Antenna SA092-IIIHBat for Band I, Band II, and Band III Broadcasting


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Technical Specifications of FMUSER Batwing Antenna


Model  SA092-IIIHBat 
Frequency range  48.5 - 84 MHz, 87 - 108 MHz, 167 - 223 MHz 
Polarization  Horizontal 
Gain (4 bays) 6.5 dB 
VSWR  ≤ 1.10 
Input connectors  7-16 DIN  7/8" EIA 
Max. power per bay  5 kW  8 kW 
Impedance  50 Ω 
Weight  44 - 150 kg 
Max. wind velocity  36 m/s 
Insulating material  PTFE 
Radiating element material  Zinc thermospray steel 


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What is a Batwing Antenna and How does it Work?


The structural design of the FMUSER VHF batwing antenna


The batwing antenna, or super turnstile antenna, is a polarized (cross dipole, horizontal polarization) omnidirectional antenna with an appearance similar to batwing or bow tie, which is commonly used in VHF and UHF commercial broadcasting.


Turnstile and Super Turnstile


The batwing antenna is actually derived from a cross dipole array called a turnstile antenna.


An overview of the FMUSER VHF batwing antenna


Although the latter is used in VHF and UHF bands (about 30 MHz to 3 GHz) like the former, the latter has a wider military application, and the radiation power is 3dB lower than the maximum radiation of half wave dipole with the same power. 


The batwing antenna is designed to overcome this disadvantage.




The batwing antenna is composed of two unique wing-shaped flat plate elements. The two pairs of elements of each bat wing antenna are usually installed on the common mast in a state of 90 ° perpendicular to each other. 


Thus, the two dipoles of the bat wing antenna can obtain omnidirectional mode (each phase is 90 ° different from the other, and there are four phases in total, i.e. 360 ° omnidirectional). 


The vertical radiation patterns of 4 bays FMUSER VHF batwing antenna


Therefore, this type of antenna can conduct horizontal polarization radiation. When properly constructed (e.g., vertical stack), such antennas can obtain a VSWR of 1.1:1 or less than 30% of the bandwidth and obtain a large amount of gain.


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What Consists of a Complete Batwing Antenna System?


The following are the basic components of the batwing antenna system:


  • Batwing antenna cross element x2 (fed independently)
  • The antenna power divider
  • Rigid Transmission Line (e.g. 3-1/8'' rigid coax)
  • Antenna mounting mast
  • Phase harness


Of course, in addition to these devices, you still need to pay attention to:


  1. Average terrain (HAAT) height
  2. Ground height
  3. Antenna mounting height



You can often see pictures on Google saying multiple batwing antennas are vertically installed on the same mast, and each batwing antenna is regularly spaced apart (usually about one wavelength). The purpose of this is to increase horizontal gain. 


Among them, the term "bay" is used to refer to a single batwing antenna. The collinear array formed by stacking multiple cradle bat wing antennas can reduce excess radiation power (usually in the axial direction) and provide high gain and high gain output, which makes the batwing antenna more suitable for ground broadcasting.


The horizontal radiation patterns of FMUSER VHF batwing antenna


The batwing antenna is also the preferred antenna for early low-frequency radio and television. This is because the dipole element of the batwing antenna can provide a wider bandwidth for the antenna. 


The broadband bandwidth and excellent performance make it attractive for the use of ATV repeaters. This characteristic is especially suitable for broadcasting companies that want to use a single antenna to help multiple transmitters transmit TV signals.


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Although the batwing antenna is the first widely used TV broadcast antenna, in addition to VHF communication (FM, TV), the batwing antenna is also commonly used in military communication and satellite communication, their appearance varies differently, I will not bring you details unless you want me to, leave your message and let me know!

FMUSER: High Gain VHF Batwing Antenna Manufacturer


As a professional manufacturer and supplier of bat wing broadcast antennas, FMUSER has so far provided complete turnkey solutions for hundreds of radio and television stations around the world, including:


  • Product quality inspection before shipment
  • Supply of high-performance multiple bays of batwing antenna and kits
  • Online support for antenna installation and disassembly
  • Reliable after-sales service, etc. 


Your batwing antenna can withstand decades of wind, rain, ice, and direct lightning strikes, and will safely and efficiently serve your broadcasting stations for a long time.

Main Features of Our Products


  • Band I (48.5-84 MHz)
  • Band II (87-108 MHz)
  • Band III (167-223 MHz)
  • Low VSWR 
  • Wide frequency band 
  • Easy installation 
  • Stable performance 
  • Long lifetime, 0 maintenance
  • High gain
  • Wide bandwidth
  • Heavy duty design (corrosion resistance, wind resistance, vibration resistance, etc.)
  • Other add-ons are welcomed, please contact us for more (e.g. NTSC & CCIR channels, zero IMD, galvanized steel, beam tilt and null fill, Interbay lines, etc.)


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