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11 years of professional supply  Cable and wire manufacturer!

Product Category:[Telephone Cable]

  • Product Name:25 pair telephone cable indoor 305M Free sample
  • Product Details:25 pair telephone cable indoor 305M Free sample 1.CE ,ROHS, ISO 2.copper 3.CM/CMR/CMP 4.OEM
    • Contact Supplier:sales3@brothers-ycable.net
    • Conductor material:CU/CCS
    • Conductor size:0.4mm,0.5mm
    • Rated temperature::-20°C to +60°C
    • Installation temperature::0°C to +60°C
    • Payment Terms:30%TT,70% before shipment

25 pair telephone cable indoor 305M Free sample
(factory manufacture)

Detailed Description




Meets EIA/TIA 568-B for category 5 requirements   
Fire protection – IEC60332-1 (CM)   
Cable is used for Voice-Grade applications and indoor installation




Conductor: Bare Solid Copper  
Conductor Dia.:0.50mm±0.005mm (24AWG)  
Pair Insulation:Polyethylene  
Outer Cable Diameter: 15mm ± 0.2 mm 

Pair Number:25Twisted Pairs  
Pair Color Code:As per the standard color code  
Outer Jacket: PVC/LSZH Jacket  
Jacket Color:Grey RAL 9002 or as per request



Installation Temperature: 0°C to +60°C  
Operating temperature: -20°C to +60°C  
DC Resistance Unbalance :5%   
Pair-to-Ground Capacitance Unbalance :330 pF/100 m   
Capacitance:14pF/ft nominal  

Maximum strand pitch: 100 mm    
Minimum bend radius: 4 outer cable diameters   
Dielectric Breakdown:1000 Volts DC Conductor to Conductor   
Velocity of Propagation:PE=65%   
Maximum Skew:45ns@100 meters 



305m/1000ft Easy pulling box; 500m/wooden reel;1000m/wooden reel



Max attenuation at 20°C10

Min worst pair to pair NEXT loss at 772 kHz

Min worst pair Structural Return Loss (SRL)

At 772 kHz

2.2 dB/100 m 

At 772 kHz

43 dB

Up to 10 MHz


At 1 MHz

2.6 dB/100 m

At 1 MHz

41 dB

At 16 MHz


At 4 MHz

5.6 dB/100 m

At 4 MHz

32 dB



At 8 MHz

8.5 dB/100 m 

At 8 MHz

27 dB



At 10 MHz

9.7 dB/100 m 

At 10 MHz

26 dB



At 16 MHz

13.1 dB/100 m 

At 16 MHz

23 dB



Packaging & Delivery


1) 100m/roll, 200m/roll, 305m/roll, Other lengths available according to client's request. 
2) Inner packing: Wooden reel, plastic reel, and paper reel available. 
3) Outer packing: Carton box, pull out box, pallet available. 
4) Other packing available according to client's request.
Delivery Detail: 7~20 days


our advantages

1. With automated production in 24 hours

2. With the ability to produce 500,000 meters per day.

3. With good reputation and numerous customers both at home and overseas

4. With good quality and factory price.



Founded in 2002, Shenzhen Brother Young Development Co., Ltd. enjoys a history of 10 years' development and has been upholding the philosophy of "sincere service and quality first", which wins a good reputation in this line of business; After 10 years of constant effort and persistence, it has developed into a modern high-tech enterprise which integrates scientific research, manufacturing, and marketing. Our main products are high-tech cable, including CAT5E and CAT6 network cable, coax cable, optic fiber, multi pair telephone cable, other relative network accessories.


Brothers Young


At present, our products are mainly exported to European and American. Our headquarter is in Wulian Community in Longgang of Shenzhen with a strong team. We own two factories in Jiexi city and Shenzhen city in Guangdong Province respectively. The factories cover an area of nearly 10,000 square meters. At present, our main brand is: brothers-Y. We have introduced advanced production line in factories, and to satisfy the market demand, our products vary from high and medium to low class for the customers to choose from. Over the years, Shenzhen Brothers Young Development Co., LTD has won high praise and trust from customers both at home and abroad with its superior quality, competitive price and sincere service. Our products have got authentication from multiple quality systems such as ISO9001:2008 and UL, ROSH. In 2010. our company was appraised one of top ten advisory of Shenzhen by Alibaba. We always adhere to the "high standard, high requirement" for product requirements, strict in each link of production; ensure the quality of company product reach the advanced level of the industry; Brother Young sincerely welcome friends visit, look forward to your cooperation!


In July, 2006, brothers-Y Network Cable has become the only supplier for SHENZHEN TELECOM.
In September, 2006, brothers-Y Coaxial cable has become one of qualified suppliers for CHINA BROADCASING AND TV.
In 2008, brothers-Y big pairs cable, like 50 pairs, 100 pairs,200pairs,telephone cable have successfully entered into CHINA TELECOM supplier.
From 2009 to 2010, brothers-Y has been a successful cable supplier for HUAWEI, FOXCONN, CITIC, CHINA UNICOM, CHINA MOBILE, and other famous enterprises etc.


NAME:Shenzhen Brother Young Development Co., Ltd
TEL: + 86-755-85232320
Business QQ:2355889966     
Address:NO.38 Jiangjunmao Industrial Zone, Wulian, Longgang District, Shenzhen, China.


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Contact Rhombus
Shenzhen Brother Young Development Co.Ltd

Phone No.: 86-755-85232320

Mail: Email:info@brothers-ycable.net

Address:NO.38 Jiangjunmao Industrial Zone, Wulian, Longgang District, Shenzhen, China.