Why CFD 400?

Answer: A lot of contractor , Sub Con and End User using LMR 400 today, But.....the very confuse part is most LMR 400 is made in China by many different factory, Because to make more profit, Some of the manufacturer mix the material...ending the cable is not meeting the correct specification anymore! This would cause a big loss for contractor when the cable loss Signal! or does not meet the requirement!

We've got this special low-loss RP-SMA male to RP-SMA female extension cable from Alfa Networks- this is CFD-400 equivalent shielded. The cable can be used to put an extension between an RP-SMA antenna connector on a Wi-Fi USB adapter or PCI card and an RP-SMA antenna. We recommend this extension cable compared to some others online because this is Alfa Networks branded (Alfa is the manufacturer of the popular 1000mW wireless USB adapter, model AWUS036H) and it is also a special low-loss cable (CFD-400 NL Low Loss 50 OHM, LMR-400 equivalent). What does this mean? The antenna to which you will connect this to has a gain. Let's say for example you will be connecting this to a 12 dBi gain antenna. As the cable in between the antenna and adapter gets longer, you will experience cable loss, which is a drop in the signal gain of the antenna. With low quality unshielded extension cables, the huge drop in gain will mean a much lesser range. Our special low loss cable limits the cable loss factor and preserves the high gain of your antenna.

Specification:

- Impedance: 50 OHM
- Frequency: 2400 - 2483 MHz / 5100 - 5900 MHz
- Compatible with 802.11g and 802.11b WiFi standards
- Compatible with many WiFi adapters (any Wi-Fi USB adapter or PCI card with external RP-SMA connector)

We've got this special low-loss RP-SMA male to RP-SMA female extension cable from Alfa Networks- this is CFD-400/LMR-400 equivalent shielded. The cable is 10m long (a little over 32 feet) and can be used to put an extension between an RP-SMA antenna connector on a Wi-Fi USB adapter or PCI card and an RP-SMA antenna. We recommend this extension cable compared to some others online because this is Alfa Networks branded (Alfa is the manufacturer of the popular 1000mW wireless USB adapter, model AWUS036H) and it is also a special low-loss cable (CFD-400 NL Low Loss 50 OHM, LMR-400 equivalent). What does this mean? The antenna to which you will connect this to has a gain. Let's say for example you will be connecting this to a 12 dBi gain antenna. As the cable in between the antenna and adapter gets longer, you will experience cable loss, which is a drop in the signal gain of the antenna. With low quality unshielded extension cables, the huge drop in gain will mean a much lesser range. Our special low loss cable limits the cable loss factor and preserves the high gain of your antenna.

Who Need This?

It depends on your setup. If you spend a lot of money on a new home theater system, you would probably want the best audio cables to get the most out of your system. If you were setting up cheap speakers in your garage to hear AM radio broadcasts, then cheap cables would do. If you spent a lot of money on a very high gain outdoor antenna, you will lose a lot of performance by going with weaker shielding, or trying to chain multiple extension cables together (because there is also gain loss at connector points). But if you are just trying to go 10 feet to a low gain antenna, this will be overkill. Please contact us if you need assistance in picking out the best cable length and shielding for your needs.

Additional Features:

- Length: Custom Request ( Up to 200 meters)
- Impedance: 50 OHM
- Frequency: 2400 - 2483 MHz / 5100 - 5900 MHz
- Compatible with 802.11g and 802.11b WiFi standards
- Compatible with many WiFi adapters (any Wi-Fi USB adapter or PCI card with external RP-SMA connector)

Frequently Asked Questions:

I already have (or want to buy) an external antenna for my wireless adapter, and I want an extension cable so I can put my antenna further away from the adapter. How do I know if this is the right extension cable for me?

Check with the maker or seller of your antenna to find out what type of connector it has. As a rule of thumb, you want to get an RP-SMA male to RP-SMA female extension cable when the antenna you have can connect directly to the RP-SMA connector on your wireless adapter if you wanted it to. That would mean your antenna also has an RP-SMA connector, and this would be the right cable for you. If your antenna has another type of connector please call me to find out if I can help you out with the right connector and locate the right cable for your needs. Additionally, we always recommend to get as close to the length you need as possible. If you are only trying to go 10 feet, don't buy a 30 foot cable as you will have more gain loss than you need. Remember! Never roll the cable! That is why I not encourage you to buy more (longer) than what you need.