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Perfect Vision
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Holland Dual G.B. 3GHz
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Holland Dual Cable Ground Block High-Frequency UL
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GRB2DHRUL
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Detailed Description
HIGH PERFORMANCE GROUND BLOCKS GRB-2DHRUL
Holland’s high performance ground blocks feature a zinc body with machined threads and multiple ground screw configurations. These grounding blocks are nickel plated and utilize stainless steel ground screws for maximum outdoor survivability
- UL Approved
- Internal components designed for high frequency and low loss
- Resilient internal matals for dependable repeated insertion connections
- Minimal insertion and return loss numbers
- Two mounting screws are provided with each block
- Use for high frequency run to ground satellite antenna & coax
- Run to ground block then to receivers
- Protects receivers from lightning strikes
- Ground wire passes through block & to grounding rod
- This model is used to for one coax line
- 3 GHz
- DISH Network Approve.
The internal components of these ground blocks are much different from a standard frequency VHF/UHF ground block. The center coax conductor indexes into a close-tollerance 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.
Internally, the center conductor tube is insulated from the inner skin of the barrel by a maximum air gap which results in much less RF loss. Insertion loss is extremely low.
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