Perfect Vision Single Ground Block Weather Seal GRDBLK1R1-05 Satellite Cable 4pc Lot. Condition is "New". Shipped with USPS First Class. Condition is Brand New. Brand: Perfect Vision Model: GRDBLK1R1-05 Shipped with USPS First Class Mail . You Will Receive 1 ea Lot of 4 GRDBLK1R1-05 Perfect Vision Single Ground Block Weather Seal Satellite Cable . Condition is "New". Shipped with USPS First Class. RARE VINTAGE COLLECTIBLE SHIPS N 24 HOURS Packed By Our Award Winning Packaging And Shipping Department Long Time E-commerce Seller For Over 20 Years LIMITED AVAILABILITY Follow Our Store For All New Rare Products Posted Daily and Specials Please click https://www.ebay.com/usr/boughtnowcommerce Inventory Box Number: 1131 Perfect Vision Single Ground Block Weather Seal GRDBLK1R1-05 Satellite Cable For Sale: 4 (Four) Perfect Vision Single Ground Block These High Quality and High Frequency Ground Blocks are available with 1 Port, 2 Port, and 4 Port configurations. They are not typical VHF/UHF blocks that may be found locally or from low quality supplies ? these Blocks have High Quality Components, including: The center coax conductor indexes into a close-tolerance tube that is resilient (spring) brass and is gold plated. The close center-tube tolerance assures a tight connection, the gold plating assures a good electrical connection and the overall performance is greatly improved over standard designs. Features Include: SCTE outdoor compliant bonding block One inch spacing between center of ports UV resistant rubber weather seals provided UL approved Internal components designed for high frequency and low loss Gold plated center conductor assures good connections Resilient internal metals for dependable repeated insertion connections Minimal insertion and return loss numbers Two mounting screws are provided with each block. Specs: Insertion Loss: 100 dB; Bonding Effectiveness: 50 milli; Operating Temperature: -40C~+60C. -Approved and Works for DIRECTV, Dish Network, Comcast, Fios, AT T (both DTV and U-Verse), Charter, Cox (and other CATV/CMTS), Off-Air Antenna, HD -Antenna, and many more devices -Removes noise and static from Coaxial Cable (often caused by wind, interference, dry weather (static build-up), and DC Ground Loops) -Required for Satellite and Off-Air Antenna Installations by NEC and most Local Electrical Codes -High Quality Features: Gold Plated Center Conductor; UL Listed; Rated from 0 MHz to 3 GHz; UV Resistant Rubber Weather Seals; High Frequency; Low Insertion Loss ( 0.2 dB 2MHz ? 3GHz) -Includes Single Port Grounding Block, Weather Seals, and Mounting Screws