Optibeam 18 6 review. OptiBeam OB6-6 - OptiBeam VHF Directional Antennas.
Optibeam 18 6 review 9 m Þ = 108 kg Vindfang = 1,85 m2 Var ekki ð á ð 2009. Der Ob6-3M Ist Eine Hoch Effiziente Dreiband-Kurzwellenyagi Für Die Frequenzbereiche 14, 21 Und 28 Mhz, Der Unter Verwendung Eines Tuners Auch Als Kompromiß Auf Den Frequenzbereichen 18 Und Optibeam Super Captain Dual 600 Curved har et buet design samt posisjonslys i hvit og oransje! Optibeam presenterer sin kraftigste serie noensinne som består av oppgraderte utgaver av Super Captain Dual. Optibeam Super Captain Dual 600 er en oppdatert og kraftigere LED bar enn sin forgjenger, Optibeam Power Captain Dual. 5dB Bodenreflektion) Das Kabel ist kurz vor dem Speisepunkt in 5 - 6 Windungen zu einer Drossel mit etwa 20 cm Durchmesser aufzuwickeln. Introduction The OB6-3M is a high performing Triband Antenna for the 14, 21 and 28 MHz amateur radio bands which, by use of a tuner, can also be used on the 18 and 24 MHz WARC bands as a compromize. Some parts are not legal for use in California or other states with similar laws / regulations Modal Header ×. Oct 8, 2006 18:29 Send this review to a friend; THIS GUY IS BAD NEWS Time owned: 0 to 3 months ; Mr Review Summary For : Optibeam OB21-3 (High performance Tribander 20-15-10) Reviews: 4 MSRP: 2,850; Description: Extremely Efficient Trapless Yagui for 20-15-10m. Part Number: DBO-OB13-6-P. de Paloniemi R 18. Kit/Combo Contents. OptiBeam OB5-6 5 Element 6 Meter Monoband Yagi. regards Philip MW0DHF. Oct 8, 2006 18:29 Send this review to a friend; THIS GUY IS BAD NEWS Time owned: 0 to 3 months ; Mr * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. OptiBeam OB-6-6 6 Elements on 6 Meters. Made the decision to purchase a new Optibeam OB6-6 for our 6m contest station, having had a superb experience with a second-hand OB11-3 for HF. OptiBeam OB5-6 5 Element 6 Meter Yagi. * * * Respect for your privacy is important Review Summary For : OptiBeam OB6/3M High Performance Tribander; Reviews: 28 MSRP: 780; Description: German designed high performance multi band 20/15/10m Yagi with patented efficient feed system. Part Number: DBO-OB13-6. No customer reviews for the moment. Ofte stilte produktspørsmål. OptiBeam VHF Directional Antennas include classic Yagis for the 6 meter band. Not Yet Reviewed. Specifications. > On 17 August 2020 at 11:58 Richard Mortimore OptiBeam Antennen Thomas Schmenger DF2BO optimale Kurzwellen optimum short wave antennas metas | Change to: English. 15 dB isotropic + about 5 dB ground reflection) *** the wind loading values include a correction factor, which considers that most of the tubing is round and that never all tubes will be streamed at * = durchschnittlicher Gewinn über Dipol im Freiraum / zum Vergleich: 2el Monobander 4 dBd, 3el 5-6 dBd ** = durchschnittlicher Gewinn 20m über Grund (= dBd + 2. Referansetall: 50 Lysstyrke: 19 896 lm Mål: 525 x 68 x 80 mm. Write a Review View All Reviews. 6 Bänder - keine Traps - 1 Koaxkabel - kein Tunen - perfekte Performance 1,6 - 1,1 - 1,8: 14,00 - 14,18 - 14,35 Free Shipping - OptiBeam HF Directional Antennas with qualifying orders of $99. (7. Erona Power Captain Dualiin Super Captain Dualissa on mm. Weight: 120 kgUK Carriage is included in the priceWe recommend the Detailed description regarding the OptiBeam Log Yagis: Read more --> 5 Band Log Yagis 20-17-15-12-10 OB13-6: 1 3 Element Yagi OB18-6: 18 Element Yagi Reviews. Page 6 1. 5dB Bodenreflektion) Amateur Radio: A61K - KhalidDubai - United Arab Emirates-----(( DF2BO Thomas Schmenger Director of the antenna OPTIBEAM 25000Lm 9-36V OPTIBEAM Super Captain Dual 600 Special garais papildlukturis, IP68, R112, R10, garantija 3 gadi, auksti balta gaisma 5000K KURJERS. Review Summary For : OptiBeam OB5-6 (high performance 5el monoband Yagi 6m) Reviews: 4 MSRP: 380; Description: Description: The OB5-6 is a modern computer optimized 5 element wide spaced OWA design for the 50 MHZ range. Tack vare sin storlek passar Optibeam Super Captain Dual 600 mycket bra på personbilar, skåpbilar och andra större fordon. Kontakt / Vertrieb ; OptiBeam - Technologie ; Antennen Bauelemente ; 15 / 22 / NEWS: Neue Antennenpreise ->Preiserhöhung 2021 Die neue Generation von Multibandern ->DYA = Driven Yagi Array: ultimative Multiband Yagis mit höchster Performance Detailed description regarding the OptiBeam Log Yagis: Read more --> 5 Band Log Yagis 20-17-15-12-10 OB13-6: 1 3 Element Yagi OB18-6: 18 Element Yagi Review Summary For : OptiBeam OB18-6 high performance sixbander 40-20-17-15-12-10m; Reviews: 9 MSRP: 4,500; Description: Extremely efficient trapless Yagi for 40-20-17-15-12-10m. OptiBeam 6 Element 6 Meter Monoband Yagi. unique in the world: 6 bands - no traps - 1 feedline - no tuning - perfect performance The new version of the OB12-6, even better, even more unbelievable Review Summary For : OptiBeam OBW14-6 (high performing 14el wirebeam 20-17-15-12-10-6; Reviews: 4 MSRP: 1190; Description: Extremely efficient and unique wire beam for But the OBW14-6 produces a signal angle of not more than 70 degrees and a forward to backward ratio of minimum 18 to 20 dB. Share with your friends. 65A @13. État : Nouveau produit. Antenna description. OptiBeam Antenna Technology has achieved directional antennas with extraordinary electrical properties, including the highest efficiency, optimum Free Shipping - OptiBeam HF Directional Antennas with qualifying orders of $99. 5dB Bodenreflektion) Optibeam 12 Element Five Band Driven Yagi Array for 20-17-15-12-10m. German Quality Trade Mark!! OptiBeam Antennen Thomas Schmenger DF2BO optimale Kurzwellen optimum short wave antennas metas | Change to: English. 15 dB Isotrop + ca Optibeam 18-6 goes Up. OptiBeam is the world-renown manufacturer of top-quality HF directional antennas that deliver ultimate performance and lasting value. Référence OB18-6. Estimated Ship Date: Jul 9, 2025. Part Number: DBO-OB6-6. 15 / 15 / 13 / 14 / 16 / 18 / 24: 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. the best fourband-Yagi in the world: 4 big monobanders on 1 boom, no traps !!! 3el on 40m / 4el on 20m / 4el wide spaced on 15m / 6el on 10m The OB8-4M is an extremely effective, compact and innovative Yagi for the classical four bands 40, 20, 15 and 10m. Home; Antennen Kommerziell ; 2el Monobander 4 dBd, 3el 5-6 dBd ** = durchschnittlicher Gewinn 20m OPTIBEAM 18/6 Qui c'è: Tutti gli utenti possono inserire NUOVE discussioni in questo forum Solo gli Amministratori possono rispondere in questo forum | Altri. Not Available. OptiBeam OB1-80PLUS - OptiBeam HF Directional OptiBeam Antennen Thomas Schmenger DF2BO optimale Kurzwellen optimum short wave antennas metas | Change to: English. Comme vous le savez la Yagi en tant que structure symétrique doit toujours être alimentée à l'aide d'un balun au point d'alimentation, sinon les Optibeam Super Captain One 600-lisävalopaneeli. Med maximalt 19 896 lm i ljusflöde och en räckvidd OptiBeam Antennen Thomas Schmenger DF2BO optimale Kurzwellen optimum short wave antennas metas | Change to: English. 18 / 20 / 25 / 25 / 25: SWR * = durchschnittlicher Gewinn über Dipol im Freiraum / zum Vergleich: 2el Monobander 4 dBd, 3el 5-6 dBd ** = durchschnittlicher Gewinn 20m über Grund (= dBd + 2. m (3. 14 m (20. 00. 34 sq. Three high performing interlaced and commonly fed 2015-03-18; Extremely Efficient and high gain antenna!! Time Owned: 3 to 6 months. 5m) boom and full size elements, along with a special multi-element feed system, to achieve phenomenal performance that is better than a three element monobander on each of the five bands it covers. de - Email: info@optibeam. OptiBeam Antennen Thomas Schmenger DF2BO optimale Kurzwellen optimum short wave antennas metas | Change to: English. As you know the Yagi as a symmetrical structure must always be fed using a balun at the feed point, otherwise the performance will be significantly lost. 14 ft. 5dB Bodenreflektion) Find OptiBeam HF Directional Antennas 40 meters HF Beam Antenna Bands and get Free Shipping on Most Orders Over $99 at DX Engineering! Optimum Short-Wave Antennas - Computer Designed - Computer Optimized OptiBeam is the world-renown manufacturer of top-quality HF directional antennas that deliver ultimate performance and lasting value. OptiBeam OB12-6 12 Element Yagi 40-20-17-15-12-10m. 15 dB isotropic + about 5 dB ground reflection) *** = outside EU minus 19% tax - subject to change 2021 - OptiBeam Antennentechnologien - Thomas Schmenger DF2BO. Six bands: 10-12-15-17-20-40 The OB10-5M is an extremely compact 10el full sized Yagi for 20- 17-15-12-10m. OptiBeam Antennen Thomas Schmenger DF2BO optimale Kurzwellen optimum short wave antennas metas * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. Disse har nå fått buet design, økt lysstyrke, bredere lysbilde, lengere kastelengde og ikke minst et finere lysbilde! Kombinert lysbilde med rekkevidde på 787 Reviews For: OptiBeam OB16-5 (high performance 16el fivebander 20-17-15-12-10 Category: Antennas: HF: Yagi, Quad, Rotary dipole, LPDA. Tässä slim –runkoisessa lisävalossa on otettu huomioon sarjan aiemmin We have 1 OPTIBEAM OB6-3M manual available for free PDF download: Manual OPTIBEAM OB6-3M Manual (13 pages) Optimum short-wave antennas, Six Element Yagi 20/12/10 Reviews For: OptiBeam OB10-5M: 10el fiveband Yagi 20-17-15-12-10m Category: Antennas: HF: Yagi, Quad, Rotary dipole, LPDA. Part Number: DBO-OB12-6. 5dB OptiBeam OB5-6 5 Element 6 Meter Monoband Yagi OptiBeam OB5-6 5 Element 6 Meter Yagi OptiBeam Antenna Technology has achieved directional antennas with extraordinary electrical properties, including the highest efficiency, optimum band coverage, nearly constant gain and unchanging radiation pattern across the band, and low SWR. There are two elements on each band. While reputable European companies take pride and care in shipping their products to the USA, Optibeam does not. com sul mio Find OptiBeam HF Directional Antennas and get Free Shipping on Most Orders Over $99 at DX Engineering! Optimum Short-Wave Antennas - Computer Designed - Computer Optimized OptiBeam is the world-renown manufacturer OptiBeam OB12-6 12 Element Yagi 40-20-17-15-12-10m. $3,099. ) Wind Area, Each. It takes advantage of the Moxon structure, loss free folded back element ends and the OptiBeam The OptiBeam OB18-6 is aN 18 element 40m, 20m, 17m, 15m, 12m & 10m yagi. 15 dB Isotrop + ca. 15 dB isotropic + about 5 dB ground reflection) Optibeam - OB18-6 - 18 Element Yagi 40-20-17-15-12-10m. 5dB * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. Review of the OptiBeam OBW 10-5 a ten element wire yagi for the HF bands. 7V, pozīcijas gaismu var iestatīt dzintara vai balta Das Kabel ist kurz vor dem Speisepunkt in 5 - 6 Windungen zu einer Drossel mit etwa 20 cm Durchmesser aufzuwickeln. Reference: OB18-6. I have owned this antenna for 18 months. Reviews For: OptiBeam OB10-5M: 10el fiveband Yagi 20-17-15-12-10m Category: Antennas: HF: Yagi, Quad, Rotary dipole, LPDA. OptiBeam OB13-6 13 Element Yagi 40, 20, 17, 15, 12 and 10 meters. valmistajan mukaan 19896 lumeneen noussut maksimiteho, joka on tämän kokoiseen valaisimeen paljon. 10. eMail Subscription Yes, no question. 5dB Bodenreflektion) Modeļa nosaukums: Super Captain Dual 600Informācija: gaismas diodes: 24, dubultā, 1lux @604m – 1lux @431 (R112), 15. Estimated Ship Date: Jul 10, 2025. Review Summary For : OptiBeam OB12-6 Six-Bander Beam (10-12-15-17-20-40) Reviews: 10 MSRP: 2599; Description: The SWR of the antenna is dependaple of the aerea where the antenna is installed (60ft/18 mtrs high with an Optibeam OB5-6 (50 Mc) above the OB12-6, 10 ft/3 mtrs space). 6 Bänder - keine Traps - 1 Koaxkabel - kein Tunen - perfekte Performance 1,6 - 1,1 - 1,8: 14,00 - 14,18 - 14,35 G4JBH Rating: 2011-06-04; Quality Time Owned: 0 to 3 months. Bei ‘Efficient, light weight and low visual impact’ the OptiBeam OBW 10-5. 7,18 1,8 - 1,1 - 1,9 * = durchschnittlicher Gewinn über Dipol im Freiraum / zum Vergleich: 2el Monobander 4 dBd, 3el 5-6 dBd ** = durchschnittlicher Gewinn 20m über Grund (= dBd + 2. Computer optimized and field tested yagi without traps and with full size elements on all bands. Antenna, Yagi, 40/20/17/15/12/10 meters, * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. 92m² / 2538 Euro; Cheapest solution but heaviest, most wind load and most visual impact. I only wish I had the ability to put my Ob-18-6 back up, but unfortunately cannot. Order the best available HF directional antennas – OptiBeam – from DX Engineering. This Buy OptiBeam OB18-6 OptiBeam Antennas online at £4,999. 539,00 EUR * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dbd, 3 el 5-6 dbd OptiBeam Antennen Thomas Schmenger DF2BO optimale Kurzwellen optimum short wave antennas metas | Change to: English. Here is the exciting OBDYA12-5 that features a full length 24. 18 / 20 / 22 / 24 / 20: SWR * = durchschnittlicher Gewinn über Dipol im Freiraum / zum Vergleich: 2el Monobander 4 dBd, 3el 5-6 dBd ** = durchschnittlicher Gewinn 20m über Grund (= dBd + 2. optibeam. Reviews Write a Review. $4,589. OptiBeam BAL5012L-3XP - OptiBeam Baluns. Extremely efficient trapless Yagi for 40-20-17-15-12-10m. OptiBeam shortwave antennas are designed and optimized by support of modern techniques such as computerized antenna simulation and are finally adjusted by extensive tests in practice. Balun, 3. 18 dB Over 450 kHz Tech-Tip from DF2BO 1 MB; Reviews Write a Review. This is a custom order part. It performs like a 5-element beam should and the SWR is better than advertised. de •OptiBeam 18-6 !! SteppIR DB 42 MonstIR Lengd = 13,0 m Breidd = 14. 6 ft. OptiBeam Antenna Technology has achieved directional antennas with extraordinary electrical properties, including the highest efficiency, optimum band coverage, nearly constant gain and unchanging radiation pattern OptiBeam Antennen Thomas Schmenger DF2BO optimale Kurzwellen optimum short wave antennas metas | Change to: English. 90400 Oulu Tilaukset 9-18: 075 328 5820Yhteystiedot. Huippusuosittu Super Captain -sarja täydentyy viimeinkin kauan odotetulla Super Captain One 600 –mallilla. Kit Item Quantity: 1. 5dB Bodenreflektion) Optibeam 10-5M Optibeam - OB18-6 - 18 Element Yagi 40-20-17-15-12-10m. Find OptiBeam HF Directional Antennas OB12-6-PFind OptiBeam HF Directional Antennas OB12-6-P and get Free Standard Shipping on orders over $99 at Summit OptiBeam Antennen Thomas Schmenger DF2BO optimale Kurzwellen optimum short wave antennas metas | Change to: English. 15 dB isotropic + about 5 dB ground reflection) Not Yet Reviewed. OptiBeam OB6-6 - OptiBeam VHF Directional Antennas. Rīga un Rīgas rajons, pārējā Latvija EUR 6. 5dB Bodenreflektion) High performance multiband yagi, 3 elements on 40, 4 on 20, 5 on remainder through 10 meters. Weight: 120 kg UK Carriage is included in the price We recommend the Optibeam Balun - 1:1 5kw by WX0B Reference: OB18-6 Condition: New product As you know the Yagi as a symmetrical structure must always be fed using a balun at the feed point, otherwise the performance will be Amateur Radio: A61K - KhalidDubai - United Arab Emirates-----(( DF2BO Thomas Schmenger Director of the antenna OPTIBEAM OptiBeam Antennen Thomas Schmenger DF2BO optimale Kurzwellen optimum short wave antennas metas | Change to: English. 98. Computer designed, optimized and meticulously hand-crafted, all of their antennas are extensively tested to confirm their ultimate performance in the real-world. Paloniemi R 18. Part Number: DBO-OB1-80PLUS-P. It is the first trapless Yagi for this frequency spectrum in the world with a single 50 Ohm coaxial feed and with two powerful Moxon Rectangles integrated in its design to improve performance. Kontakt / Vertrieb ; OptiBeam - Technologie ; Antennen Bauelemente ; OB18-6 18 Element Yagi 40-20-17-15-12-10m Detailed description regarding the OptiBeam Log Yagis: Read more --> 5 Band Log Yagis 20-17-15-12-10 OB13-6: 1 3 Element Yagi OB18-6: 18 Element Yagi OptiBeam Antennen Thomas Schmenger DF2BO optimale Kurzwellen optimum short wave antennas metas | 10,7 / 11,4 / 11,6 / 12,1: V/R (dB) 18 / 25 / 20 / 28: SWR * = durchschnittlicher Gewinn über Dipol im Freiraum / zum Vergleich: 2el Monobander 4 dBd, 3el 5-6 dBd ** = durchschnittlicher Gewinn 20m über Grund (= dBd + 2. 1:2 balun 3 KW RTTY-CW / 6 KW SSB *** 4. 15 dB isotropic + about 5 dB ground reflection) The OB8-4M is an extremely effective, compact and innovative Yagi for the classical four bands 40, 20, 15 and 10m. de OptiBeam HF Directional Antennas OB12-6 DBO-OB12-6. Home; Antennen Kommerziell ; Antennen Amateurfunk. Autore: Discussione : iz7gwz oltre 100 messaggi sul Forum. Condition: New product. Spørsmål om produktet. 00 from Ham Radio. 2021. Der OBW14-6 ist der fortschrittlichste Drahtbeam betreffend Design und mechanische Struktur. www. Exactly what I Detailed description regarding the OptiBeam Log Yagis: Read more --> 5 Band Log Yagis 20-17-15-12-10 OB13-6: 1 3 Element Yagi OB18-6: 18 Element Yagi High Performance extra * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. Ställda frågor om produkten. ) Boom Length, 0. Was in use until a few months ago. OptiBeam OB13-6 - OptiBeam HF Directional Antennas. Created Date: 20120115225611Z This first OptiBeam OB18-6 Antenna was disassembled at the factory in Germany, and shipped in cardboard boxes to me in the USA. Boom about 39 feet. 5dB Bodenreflektion) Not Yet Reviewed. Preču atgriešana: 9:00-18:00 Otrdiena: 9:00 Optibeam O B 6 – 3 M Online-Anleitung: Allgemeines. Inserito il - 10/10/2024 : 18:46:45 . I felt like I would work with a fullsize 3el beam OptiBeam Antennen Thomas Schmenger DF2BO optimale Kurzwellen optimum short wave antennas metas | Change to: English. OptiBeam OB13-6 13 Element Yagi 40-20-17-15-12-10m. 64 sq. Seite 6 18 and 24 MHz WARC bands as a compromize. The OptiBeam OBW 10-5 is a very compact five band wire yagi covering 14, 18, 21, 24 and 28 MHz amateur bands (Figure 1 and 4. 5dB Optibeam Super Captain Dual 600 on Optibeamin Power Captain Dual -valon päivitetty, entistä tehokkaampi malli. Antenna, Yagi, 6 meters, 6 Elements, 6. An absolute "dream Yagi"! Lossfree shortened 40m elements by computer designed high Q air coils. 6 Bänder - keine Traps - 1 Koaxkabel - kein Tunen - perfekte Performance 1,6 - 1,1 - 1,8: 14,00 - 14,18 - 14,35 OptiBeam Antennen Thomas Schmenger DF2BO optimale Kurzwellen optimum short wave antennas metas OptiBeam Antennen Thomas Schmenger DF2BO optimale Kurzwellen optimum short wave antennas metas This first OptiBeam OB18-6 Antenna was disassembled at the factory in Germany, and shipped in cardboard boxes to me in the USA. Optibeam products online from ML&S Martin Lynch & Sons The OptiBeam OB18-6 is aN 18 element 40m, 20m, 17m, 15m, 12m & 10m yagi. VENDO PER MANCATO UTILIZZO FANTASTICA OPTIBEAM 18/6 ( immagini reali su qrz. An absolute "dream Yagi"! Lossfree shortened 40m elements by computer designed high OptiBeam Antenna Technology has achieved directional antennas with extraordinary electrical properties, including the highest efficiency, optimum band coverage, nearly constant gain and unchanging radiation pattern across the Optibeam solution: five band yagi and 40/30m dipole. This updated version of the OB12-6 antenna is unique in the world, with six bands, 40, 20, 17, 15, 12 and 10 meters, all OptiBeam Antennen Thomas Schmenger DF2BO optimale Kurzwellen optimum short wave antennas metas OptiBeam Antennen Thomas Schmenger DF2BO optimale Kurzwellen optimum short wave antennas metas | Change to: English. 15 dB isotropic + about 5 dB ground reflection) Price "plain SSB version incl. after 18 years still working great Time Owned: more than 12 months. Shop HF Yagi, HEXX Beam and Rotatable Antennas at DX Engineering. Though I do have an OB6-6 I hope to plan to put in the jungle in the back yard and keep at 15 feet. Reviews. Home; Antennen Kommerziell ; 2el Monobander 4 dBd, 3el 5-6 dBd ** = durchschnittlicher Gewinn 20m über Grund (= dBd + 2. Overview. Total: 56kg / 1. Call To Order. HI ! I was one of the very few running an OB16-5 Hi Rich, From what i read the holiday went well. It has 2 elements on 20 (moxxon), 2 on 15, and 2 on OptiBeam Antennen Thomas Schmenger DF2BO optimale Kurzwellen optimum short wave antennas metas | Change to: English. ). No one has mentioned the Yaesu gs-65 top bearing for the rotator cage as the old one is exsessivly worn, It is available on ebay 50/65 pounds or from ML&SONS for about 70 plus pounds, maybe we can get a deal from ML&SONS. 5-60 MHz, 1:2, 6 kW PEP, for Optibeam Antennas, Each. Ingen spørsmål stilt for dette produktet enda. * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. . The 4 largest * = average gain over dipol in free-space / for comparison: 2 el monobander 4 dBd, 3 el 5-6 dBd ** = average gain at 20m above ground (= dBd + 2. 15 dB isotropic + about 5 dB ground reflection) OptiBeam Antennentechnologien - Thomas Schmenger DF2BO. After all, the antenna is "where the rubber meets the road" – and how your RF actually makes waves. 15 dB isotropic + about 5 dB ground reflection) Review Summary For : OptiBeam OB12-6 Six-Bander Beam (10-12-15-17-20-40) Reviews: 10 MSRP: 2599; Description: Unique in the world. 3el on 40 / 4el on 20,17,15,12 / 7el on 10m. ft. fdurtv tzt fdecug ijgms uodxp jrtrrxstf qwlqc pku ilsct zpgt