Trusted source for all technician's needs ≡ Audio&Video HDMI Optical RCA Coaxial Cables&Connectors Coax Cables Coax Connectors Splitters and Amplifiers Remote Controls Installation Accessories Satellite Equipment Adhesives Perfect Vision Single Ground Block Weather Seal GRDBLK1R1-05 Satellite Cable About this item Internal components designed for high frequency and low loss. Gold plated center conductor assures good connections. Minimal insertion and return loss numbers. Resilient internal metals for dependable repeated insertion connections. Two mounting screws are provided with each block. Product Description 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: -40°C~+60°C. -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 Free Shipping We offer FREE Shipping on all orders above in the United States via United States Postal Service. We also provide "expedited" and "next day delivery". USA-Based Distributor SatelliteSale is a homegrown company, with satisfied customers all over the world. We love our customers and appreciate hearing how we can improve your experience. Same Day Handling Orders placed before 4:00 PM Eastern Time (Monday-Saturday) will be shipped out the same business day, all other orders will be shipped the next business day. Unbeatable lifetime warranty SatelliteSale assures the lifetime service of our product to maintain the satisfaction of our clients. Customer-oriented company Friendly and caring SatelliteSale Customer Support is here to solve any of your issues and concerns in a timely manner. Trouble-free returns 30-day window for hassle-free item replacements and returns.