RG6 cable is heavier gauge and has insulation and shielding tuned for high-bandwidth, high-frequency applications such as Internet, Cable TV, and Satellite TV signals. If you aren't sure which cable to get, then RG6 cable is your best bet. RG59 cable is thinner and is recommended in low bandwidth and lower frequencies RG6 vs RG59 . Les câbles coaxiaux, communément appelés «coaxiaux», sont les câbles généralement utilisés pour les installations vidéo et satellites. Il existe de nombreux types de câbles adaptés à différentes applications, parmi lesquels le RG59 et le RG6. La principale différence entre les deux est leur construction car le RG6 est plus grand que le RG59. Le conducteur interne.
75 Ohms Coaxial Cable (13) 70 ohms Coaxial Cable Is an international standard, based on optimizing the design of long distance coaxial cables. 75 ohms is the telecommunications standard, because in a dielectric filled line, somewhere around 77 ohms gives the lowest loss RG6 VS RG59. Simple question with (I'm hoping) a simple answer. My attic is running partially RG59, becoming RG6 through an adapter, closer to the modem for high speed Internet. Am I bottlenecking my speed with this RG59 cable? Approx 15-20ft of the RG59 is part of the line. The RG6 is about 15 feet after that to the modem. Is RG59 inferior when it comes to internet speed delivery? I'm new. . HBT 617,600 views. 1:21. What is a Patch Panel? Do You Need One? - Duration: 17:01. Budget Nerd Recommended for you. 17:01. RG59 vs. RG60 vs. RG6 and RG6Q RG59 cables used to be industry standard for in-home connections, but RG6 models are gradually taking over. Note that the RG6 is not the same as the RG60, which is a rare kind of coaxial cable and difficult to find (you probably don't need to worry too much about it). The name of the game here is conductor size, with the RG6 boasting increased diameter and thus.
RG-6 vs. RG-59 Coaxial Cable Performance Operating Frequencies: RG-59 is made for appliances that require signals of frequencies lower than 50 MHz, such as high-definition plasma televisions or video projectors. However, this cable is unable cope with signal frequencies which run in GHz, because the wiring and shielding is too thin. Therefore, the quality of the signal is lowered, and it. RG6 vs RG59. Les câbles coaxiaux, communément appelés «coaxiaux», sont les câbles couramment utilisés pour les installations vidéo et satellites. Il existe de nombreux types de câbles adaptés à différentes applications, parmi lesquels le RG59 et le RG6. La principale différence entre les deux réside dans leur construction, car le RG6 est plus gros que le RG59. L'âme du.
RG6 vs RG6/U. RG6 was once a military specification for coaxial cables that are used to carry radio waves for communication. The RG stands for 'radio guide' and the 6 specifies the electrical characteristics of the cable. The RG mil spec is already defunct and it has been widely accepted by the general public as cabling specifications for transmitting data from one point to another. Good. 45 thoughts on Perbedaan RG59 VS RG6 Aip Hidayat says: 2019-01-05 at 07:55 . Saya blm paham, jadi pilihannya untuk cctv rg59 atau rg6. Reply. Mister Andre says: 2019-01-05 at 11:55 . Baik RG59 maupun RG6, keduanya bisa digunakan untuk CCTV. Dari hal lain yang perlu dipertimbangkan dalam artikel diatas, RG59 umumnya banyak digunakan untuk indoor karena ukuran yang lebih kecil dan. El RG59 y el RG6 son dos tipos de cables coaxiales, cables eléctricos que se utilizan para transmitir señales de frecuencia de radio, TV y redes informáticas. El RG59 y el RG6 difieren en la fabricación, el uso de aplicaciones y las capacidades. Ventajas del RG59. El RG59 está especialmente diseñado para aplicaciones que requieren bajas frecuencias de máximo 50 MHz, como la televisión. Le câble coaxial ou ligne coaxiale est une ligne de transmission ou liaison asymétrique, utilisée en basses ou hautes fréquences, composée d'un câble à deux conducteurs (central et extérieur).. L' âme centrale, qui peut être mono-brin ou multi-brins (en cuivre ou en cuivre étamé / argenté, voire en acier cuivré), est entourée d'un matériau diélectrique (isolant) RG Coaxial Cables include: RG174, RG59, and RG 8 X, RG213, RG6 and RG11. RG11, RG6, RG59 are widely used and used in most of Telecom projects and civil works. The differences among RG11, RG6 and.
RG59 vs RG6 vs RG11 cable lengths. HDSDI can be 1.5GHz or 3.0 or more depending in if it is a 1080i or 1080P or 2K and at what frame rate. It is a far more technical question requiring a much more detailed answer. If you are buying cable, quad shield is supposed to be muchbetter than dual shield RG58 vs RG59 Showing 1-6 of 6 messages. RG58 vs RG59: STA...@yalevm.ycc.yale.edu: 1/19/92 11:00 AM I need to make a fairly long run of coax cable from an RF distribution amplifier - and I was wondering what problems I could encounter if I used RG58 instead of the standard RG59.... would the difference of the RG58's 50ohm impedence as compared to the RG59's 75ohm make a big difference in signal. DIFERENCIAS CABLES COAXIAL RG59, RG6 y RG11 DAHUA > VIDEOS Y TUTORIALES > CONCEPTOS ¿ Cuál es la diferencia entre el cabe Coaxial RG59, RG6 y RG11 ? Que es el Cable coaxial? Un cable coaxial consta de un núcleo de hilo de cobre rodeado por un aislante, un apantallamiento o blindaje . de metal trenzado y una cubierta externa. El núcleo transporta señales electrónicas que constituyen la. Lots of people here use RG6 in different applications. I have tons of it. The characteristic impedance is 75 ohms of course, and not 50 ohms. So you have a mismatch you may or may not need handle. It depends on the circumstances and what you are doing. It also depends on the length. The biggest challenge may be connectors. Its hard to solder aluminum. There are adapters, F to Pl-259 but the. Coaxial Cable Type: RG6 Conductor Area CSA: - Conductor Material: Copper Coated Steel Conductor Size AWG: 18AWG External Diameter: 7.47mm Impedance: 75ohm Jacket Colour: Black Jacket Material: PVC (Polyvinyl Chloride) No. of Max Strands x Strand Size: Solid Reel Length (Imperial): 1000ft Reel Length (Metric): 304.8m SVHC: No SVHC (16-Jun-2014) The real difference is the loss, RG6 has solid.
Si vous ne savez pas quel câble obtenir, le câble RG6 est votre meilleur choix. Le câble RG59 est plus fin et moins blindé. Il n'est recommandé que dans les applications à faible bande passante et basse fréquence telles que les installations de vidéosurveillance. Choisir entre RG 6 et RG 59 pour votre installation . Vous posez peut-être une tonne de questions en ce moment concernant. There are many kinds of cables to suit different applications, among which are the RG59, RG6 and RG 11 and the below is the comparison amongst them. RG 59. RG 6. RG 11. Characteristic impedance is 75 Ohm. Frequency range shall be up to 2150MHz. Center diameter having smaller diameter than RG 6 . Higher attenuation (signal loss) than RG 6. The capacitance of the cable or ability of the cable to. RG59 is another popular cable in residential settings, the RG59 functions similarly to the RG6 but has an even thinner center conductor. This difference makes the RG59 the best choice for short runs and low frequency transmissions within the home, but otherwise inferior to the RG6U cable in other applications Discuss Rg6 vs WF100 vs PF100 in the FreeSat, Sky, VirginMedia Forum area at ElectriciansForums.net. D. DanDobson. Mar 31, 2012 #1 Welcome to ElectriciansForums.net - The American Electrical Advice Forum Head straight to the main forums to chat by click here: American Electrical Advice Forum. Good Evening, I have been reading and searching a lot threads about various ariel and sat cable and to.
RG-6 is 75 ohms Impedance cable while RG8 is 50 ohms impedance cable. Impedance determines the usage of cable. RG-6 is used with all 75 ohms equipment for example and LNB for satellite reception, and Set Top box for Satellite reception. RG-8 is us.. RG-59/U is a specific type of coaxial cable, often used for low-power video and RF signal connections. The cable has a characteristic impedance of 75 ohms, and a capacitance of around 20pF/ft (60pF/m). The 75 ohm impedance matches a dipole antenna in free space. RG (for radio guide) was originally a unit indicator for bulk radio frequency (RF) cable in the U.S. military's Joint Electronics. lighter than most RG6 cable although like RG6, RG59 is supplied in a wide range of qualities. RG59 has a higher signal loss for a given distance, largely due to the smaller diameter although onc
Qual a diferença entre RG6 e RG59? Por Redação. Publicado em 03/02/2016 16:11 ; A qualidade do cabeamento de sua instalação CFTV é um dos principais fatores para garantir a qualidade final de imagem. Além de saber instalar da forma correta (distante da fiação elétrica), é necessário selecionar entre os tipos RG-6 e RG-59. Cada um deles contém características próprias que a. O cabeamento RG-6 usa um condutor central maior do que o RG-59, fazendo com que a atenuação por longas distâncias seja um fator menor. Por esta razão, o RG-6 é preferido em cenários de alta largura de banda, tais como o serviço de TV a cabo que englobe Internet banda larga e TV digital de alta definição por satélite
The difference between RG59 and RG6 coax cables. This short recent video from HillBrosTech, a provider of technical tutorial videos on Youtube, demonstrates a side-by-side comparison of RG59 and RG6 coaxial cables. Cabling and connectivity products supplier Sewell Direct has also created a useful technical brief describing the differences in construction and applications for the two types of. The RG6 is 75-ohm, so you'll notice that the 50-ohm SWR is dependent of feedline length. And 1:1 at the antenna feedpoint might be 1.5:1 at the radio. It's nice to have 5/10/15ft sections to add in and see how they affect the SWR. Despite the potentially higher SWR at the radio, feedline losses are often less with RG6 than with RG58 or RG8X. K5VV, Aug 7, 2015 #4. KA9JLM Ham Member QRZ Page. RG6 vs RG59. Ang mga coaxial cable, karaniwang tinatawag na 'coax', ang mga cable na karaniwang ginagamit para sa video at satellite installation. Mayroong maraming mga uri ng mga cable upang umangkop sa iba't ibang mga application, bukod sa kung saan ay ang RG59 at RG6. Ang pangunahing pagkakaiba sa pagitan ng dalawa ay ang kanilang konstruksyon bilang ang RG6 ay mas malaki kumpara sa RG59.
La principal diferencia entre los dos es su construcción como el RG6 es más grande en comparación con el RG59. El núcleo conductor interior del cable RG6 es más gruesa, así como el blindaje dentro de la funda de goma. La diferencia entre los dos, en términos de construcción, resulta en un mejor rango de frecuencia para el cable RG6 While we do not offer the typical RG-6 Coaxial Cable with Type F Connectors used for cable and satellite TV applications, we do offer RG59 Coaxial Cables with BNC Connectors for other analog and digital video applications. We sell a lot of these cables to radio and television broadcasters and production companies to interlink their equipment. Older analog TV cameras and monitors in the studio. RG6 VS RG59. Apr 25, 2018. What does the RG in Coaxial Cable types like RG6 and RG59 Stand For? The RG is short for Radio Guide, a term that dates back to the World War II era when the military made heavy use of coax and developed a set of standards to specify different grades and their applications. Coaxial cables, commonly called 'coax', are the cables that are commonly used. Because of these differences between RG59 and RG6, each of these two types of cables is regularly used for precise functions despite being interchangeable. RG59 coaxial cable is utilized for video signals because it provides the best signal quality for the frequencies used for this purpose. RG6 is the ideal cable recommended for satellite receivers as it allows for better signal quality as. RG-6, like RG-59, has a 75 ohm characteristic impedance. RG-8 has a 50 ohm characteristic impedance. You need to match the impedance of the system you are working with. Television and computers are..
In this edition we discuss RG6 Quad Shielded Cables vs RG6 Dual Shielded Cables. RG6 Quad Shielded cables (RG6Q) and RG6 Dual Shielded cables (RG6) are both coaxial cables. Both cables can be used for setting up home theaters, CATV-MATV systems, or for computer & data processing transmissions to name just a few applications. But RG6Q and RG6 cables are not interchangeable. Physical and. Coax Cable Crimper Kit Tool for RG6 RG59 Coaxial Compression Tool Fitting Wire Stripper with 30 PCS F Compression Connectors. 4.5 out of 5 stars 50. $24.99 $ 24. 99. Get it as soon as Wed, Jul 22. FREE Shipping on your first order shipped by Amazon. eSecure 100PCS CCTV Male BNC Compression Connector RG59 Coax Cable Adapter for Security Camera . $84.99 $ 84. 99. FREE Shipping. Cables Direct.
Signal strength is key to reliable satellite installations, and you WILL lose some signal strength in RG59 vs RG6. It's simply not worth the long-term hassle. Another possible issue is the recent emergence of backfeeds that provide DBS/DVR services to multiple televisions over a single cable from a dual/quad-tuner DVR. RG59 is not adequate for this type of service and should not be used. Some. I recently purchased a new surge protector, the protector has outlets for Cable in/Out, it also came with a RG-59 coaxial cable. Question, will the RG-59 suffice (very short run) or should I purchase an RG-6, this is strictly for FIOS TV It comes with 10 compression connectors and can be used with RG58, RG59, and RG6 coaxial cables. It can strip various types of cables when you rotate the head. You can control the depth of incisions using the hexagonal tools. The handle is made using soft rubber to prevent slipping. 3. Etekcity Coax Cable Compression Crimper. This crimping tool works with F connectors, BNC, RCA, and rg58, rg59. I don't know much about this stuff, but I do know that RG59 is slightly smaller than RG6. You say it refers to the page number of an obsolete book, well I think you may be wrong. I believe it actually refers to the size, I reason this by simple logic. If I am wrong, well then I am, but at least my logic is based on fact that can be checked out. Not on some obsolete book that no one can check.
Your Selections: Coaxial Cable Type: RG6 Coaxial Cable Type: RG59 Clear All. Sort By: Top Sellers. Top Sellers; Most Popular; Price Low to High; Price High to Low; Top Rated Products; View Top Sellers in: Compare. SPT 500 ft. RG59 Coaxial Cable with Power Cable - White Model# 92S-500W $ 63 27 /carton $ 63 27 /carton Free delivery. Set your store to see local availability Add to Cart. Compare. Both RG6 and RG59 have 18awg wire. Unless is mini coax(RG59) then it would be 23-24awg. Unfortunatly unless its noted on the wire, then the only way to know is by feel. RG59 will be thinner than RG6, even more thinner if its RG6 quad shield. I would assume that if it was a cable company and they used Commscope wire, then it would be RG6, but these guys sound like idiots, so its never safe to. Make your installation easier with Sewell's RG6 Siamese cable. This RG6 + Power siamese cable features 18 AWG power conductors and comes on an easy-pull spool. The power conductors make this siamese cable perfect for CCTV installations. Pure Copper Conductor The signal transmitted through any cable will become weaker .00 mm dickes koaxiales Hochfrequenzkabel. Einfach geschirmt und für die allermeisten Anwendungen geeignet, wie z.B. Video- und ZF-Leitungen. Der Leiter ist durch das Dielektrikum von der Schirmung isoliert und befindet sich im Zentrum des Kabels. Die Geometrie muss sehr genau eingehalten werden. Wird ein Koaxialkabel mit einem kleineren als dem zulässigen Biegeradius. Taped up the RG6 to the RG59, went up in the attic and pulled a couple feet, then a snag. Was about to give up, but went back down to check it and ended up pulling 4 feet of coiled RG59 out of the.
RG6 Vs. RG59 kabler Som koaksialkabler --- elektriske kabler som brukes til å overføre frekvenssignaler for radio, TV og datanettverk --- den RG6 og RG59 ulik produksjon, programbruk og evner. RG6: The Pros Den RG6 er tykkere enn RG59, inneha en større senterleder (so My point of contention with your claim that (paraphrased) RG59 drops of rapidly after 1GHz is that all the data I've seen shows that while RG59 isn't as good as RG6, it pretty much tracks in parallel up to at least 2GHz. There may be a point above 2GHz where RG59 falls off more rapidly than RG6, but I have to data to either support or refute CCChaRLes Pince À Sertir Pour Connecteur F H548A Rg6 Rg59 Rg11 Câble Coaxial: Amazon.fr: Commerce, Industrie & Scienc RG59 comes in several flavors, from those with very high signal loss and just one bare wire running instead of a braid that the better ones have. Those with a solid braid are excellent, but still nothing like the cheapest RG6. You have to see the specs for the exact cable you have to know exactly what you have RG6 vs RG59. Kable koncentryczne, powszechnie zwane koncentryczne, to kable powszechnie stosowane w instalacjach wideo i satelitów. Istnieje wiele rodzajów kabli do różnych zastosowań, między innymi RG59 i RG6. Główną różnicą między nimi jest ich konstrukcja, ponieważ RG6 jest większy w porównaniu do RG59. Wewnętrzny rdzeń kabla RG6 jest grubszy, podobnie jak ekranowanie w.
RG59 vs. RG6 Coax Cables Cable modems and satellite televisions usually use these two types of cables. The RG59 cables were commonly used in older installations before the RG6 cables became the standard. RG59 cables are much thinner with a #20 AWG copper center conductor RG-6 has more bandwidth than the older RG-59. They are both regular (75 ohm) coaxial cables, though. If (like me) you have a house prewired with RG-59, using RG-6 from your cable outlets to your..
RG6 coax cable is the standard for satellite and cable TV installations. Think of coax cable as like a garden hose that gets the TV signal (water) from the antenna (tap) to where it is needed at the TV (sprinkler). RG59 is an older coax cable standard, and isn't quite as good as RG6 at getting signal from the antenna to the TV RG6 is the standard now. RG59 is like for an antenna. If you have the option, use RG6. better cable, more shielding, better picture at the other end. Kaido Elite Member & Kitchen Overlord. Feb 14, 2004 44,387 2,128 126. May 3, 2005 #7 So RG6 is the same as RG-58 and RG-59, just newer/better? Miramonti Lifer. Aug 26, 2000 28,645 91 91. May 3, 2005 #8 how does rg58 compare to 59? Demon-Xanth. RG6 vs RG59 . Cablurile coaxiale, denumite în mod obișnuit coaxiale, sunt cablurile utilizate în mod obișnuit pentru instalațiile video și sateliți. Există mai multe tipuri de cabluri care se potrivesc diferitelor aplicații, dintre care RG59 și RG6. Principala diferență dintre cele două este construirea lor ca RG6 este mai mare comparativ cu RG59. Miezul conductorului interior. Coaxial Cable Connectors include BNC, F-type, and RCA 75 Ohm connectors for installing RG59, RG6, RG11 and RGB Mini CATV cables. These are perfect for Audio/Video, Security Camera System, Digital HDTV and your CCTV applications
RG-59 has a small center conductor, a smaller foam dielectric and single shield. RG-6 has a larger center conductor, a larger foam dielectric and double or quad shield. The result is that RG-6 has less signal loss than RG-59 and is less prone to signal ingress and egress Some RG59 and RG6 cables comes paired with a power cable. If this is the case, the power cable is easily identified by its dual cable structure (pictured as the red and white jacketed cable above). This distinguishes the upper cable as your A/V cable. Separate the power cable from the A/V cable simply by pulling the two apart. If you have trouble splitting them, use a cutter and make a small. El cable RG 6 presenta un alambre central mas grueso que el RG59, trabaja con frecuencias de hasta 2.2 GHZ, presenta mejor rendimiento en cuanto a la distancia que se puede usar sin perdidas, aun asi a partir de los 30 mts empiezan a haber problemas por la atenuacion CISNO Herramienta de compresión F BNC RCA RG6 RG59 Conector para Cable coaxial Coaxial crimpadora. Comprar. Compartir: Audiovox VH625WH 7.62m RCA RCA Blanco - Cable coaxial (RCA, RCA, Oro. Comprar. Compartir: 100M Cable coaxial RG6 U6 96 blindé Amstrad - Cable pour parabole et antenne terrestre. Comprar . Compartir: Generic Freevi® - Bobina de cable para TV de 50 m para exteriores, coaxial.
RG59 vs. RG6 for new Directv MPEG4 HD channels Discussion in 'DIRECTV General Discussion' started by Ferdy, Sep 22, 2007. Thread Status: Not open for further replies. Page 1 of 2 1 2 Next > Sep 22, 2007 #1 of 35 Ferdy New Member. 7 0. May 15, 2004. Question: Is it or is it not possible for RG59 to pass the new MPEG4 HD signals from the multiswitch, short runs or long? Sep 22, 2007 #2 of 35. From the outside, RG59 cable looks very similar to RG6. A cable made to specs is less than 1mm thinner than an RG6 cable, and can feel similar in its weight and stiffness. However, RG59 cables are only required to have a single outer shield layer, while RG6 must have at least a double layer You use RG6 between the Dish and the receiver. You can use any-old wire for a ground wire. Look: the signals from your sat system are DIGITAL. This means they are less-sensitive to the cable than traditional analog. If you are using RG59 for a 50 foot run of satalite signals there IS more loss than if you had used RG6. But the digital nature of.
RG6 vs RG59 . I cavi coassiali, comunemente chiamati coassiali, sono i cavi comunemente usati per le installazioni video e satellitari. Esistono molti tipi di cavi adatti a diverse applicazioni, tra cui RG59 e RG6. La differenza principale tra i due è la loro costruzione poiché l'RG6 è più grande rispetto a RG59. Il nucleo del conduttore interno del cavo RG6 è più spesso così come la. RG6vs RG59 RG6电缆导体比RG59 RG6电缆比RG59 有更好的绝缘 RG6电缆比RG59 能传输更高频率的信号 RG6电缆比RG59 有更低的信号损耗 RG6电缆在50Mhz 下没有RG59 电缆运行得好 RG6电缆适用于天线信号而RG59 适用于视频信号 RG6比RG59 更贵 Coaxial cables, commonly called 'coax', commonlyused satellitesinstallations. manykinds suitdifferent applications, among which maindifference between biggercompared innerconductor core RG6cable shieldingwithin rubbersheath. differencebetween construction,results betterfrequency range RG6cable
A quick internet dive into researching the differences of these cable specifications seems to indicate that 3C-2V (a Japanese standardization for a low end cable) is just lower than RG-59 in terms of quality (conductor and shielding wire sizes,. RG5 Vs. Coaxial RG6 De nombreux types de câbles coaxiaux transmettent les signaux électroniques entre les composants de radio amateur et de et vers les antennes. Ils utilisent un seul conducteur central entouré par un matériau isolant, une tresse de blindage ou d'une f RG59 Vs. RG6 kabel RG59 en RG6 kabel zijn beide soorten coaxiale kabel voor diverse videotransmissie toepassingen. Beide bieden bepaalde voordelen en nadelen en worden vaak gevonden in toepassingen variërend van huis kabeltelevisie om video control rooms en satellietv Impedance mismatch of 75 Ohm Cable RG-59 and RG-6 are 75 Ohm coaxial cables designed for cable television applications, they tend to have wide frequency response and low line loss. They also have an impedance of 75 ohms, which is a standard for coax cable used in the broadcast industry RG6 is designed to handle the Gigahz frequencies while RG59 was designed for the Kilohz and Megahz frequencies used by cable TV systems. RG6 is not better than RG59 or better constructed. It's..
RG6 Vs. RG59 Kabels Zoals coaxkabels --- elektrische kabels die worden gebruikt om de frequentie signalen voor radio's, tv's en computernetwerken te verzenden --- de RG6 en RG59 verschillen in productie, applicatie gebruik en mogelijkheden. RG6: De voors De RG6 is dikk RG6 Vs RG59 for short patches between modulator/dist amp/splitters behind my TV etc. Only thinking of the better flexibility of the RG59 for the short patch leads required. Maybe 3 or 4 at most, would range from 100 to 300mm in length if I keep things tidy. Could also consider 2 more as just 1m fly leads from the splitter to the TV & DVR to minimise loop thru's. Any thoughts? Shouldn't induce. RG59: AI: 75: 6.15: PE: 3.71: BCCS: 0.57: 1/0.57: CopperBraid: Supported Connectors. 10-001-A0-AI - BNC Top Hat Solder Clamp Plug. 10-005-A0-AI - BNC Straight Crimp / Crimp Plug (1GHz) 10-005-A2-AI - Commercial BNC Plug. 10-005-B36-AI - BNC High Definition Crimp/Crimp Plug, True 75ohm (3G) 10-005-T36-AI - BNC Straight Crimp / Crimp Plug True 75 Ohm (3GHz) (Black Coupling Cap) 10-026-A0-AI Pack. Prioritizing Service and After-sales Service. Home. Galler Câble Vs RG59 RG6. Juillet 18, 2016 xuinasha Electronique 0 6. FONT SIZE: Histoire Identification. Câble RG6 est la plus récente des deux technologies de câble coaxial. Ils ont tous deux tirent leur nom d'un terme militaire connue sous le nom Guide Radio, mais ce terme et son utilisation dans des applications militaires est depuis longtemps obsolète. Le nombre qui suit RG sur un seul type.