Sanyuan Feeder Clamp Sizes
Author:sanyuan Time:2017-04-17 14:48:15
Common Feeder Size
Sanyuan Feeder clamp model is determined by the feeder model, and the feeder model is generally named according to the diameter of the cable. Common feeder sizes are 1/2, 7/8, 5/4, 13/8, 8D and 10D, etc. These sizes refer to the diameter of the outer metal shield (excluding outer sheath). The fractional numbers of which are inches, 1/2 means the diameter is 1/2 inch, 7/8 means the diameter is 7/8 inches, and so forth; the letter "D" in 8D and 10D represents diameter. The unit is millimeter. 8D represents 8 mm, and 10D represents 10 mm.
Common Feeder's Application in BTS Construction
In the BTS construction, the common feeders are 1/4, 1/2, 7/8, 5/4, the most commonly used feeders are 7/8 and 1/2. 1/2 inch feeder is also referred to as 1/2 jumper. Take Sanyuan 1/2S jumper as example, its softness is better than 7/8, but the loss is larger than 7/8. Since the 7/8 feeder is too hard to bend, it is difficult to use for indoor alignment, and is mostly used for outdoors. 1/2 jumper is often used to connect the 7/8 feeder and equipment after 7/8 feeder has entered the feeder hole. In BTS construction and indoor line distribution, we often need to combine use of 1/2 and 7/8. 1/2 is mainly used for indoor distribution and macro cell antenna jumper part, while 7/8 feeder is mainly for the macro cell base station, and the signal transmission from indoor to tower roof outdoor. Generally speaking, long-distance transmission, i.e. 15 meters or above, requires 7/8; if the construction requires cable to bend near connector, use 1/2. Moreover, 7/8 is mainly used to connect antenna to the base station's indoor part, near the cable frame; 1/2 is used primarily to connect the 7/8 feeder to the master.
In addition, the thickest feeder most commonly seen is the 13/8" feeder, also known as leaky feeder or radiating cable, is generally used for high-speed rail and tunnels and other enclosed space to transmit signals, and occasionally in large places as trunk line. Fix leaky cable requires a special leaky Feeder clamp, So that the signal smoothly from the signal leaky hole in.
Sanyuan is a company dedicated to BTS installation accessories production. We have a complete series of accessories products and can provide high-end Feeder clamp to our customers. Our products have included all kind of common size, range from the minimum 1/4 to the maximum 13/8. Our working hour is 09:00 – 17:00 (UTC/GMT+08:00) Monday to Friday. Please contact us on our website or send us email for detailed information of our products.