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Holland Electronics line of Ground Blocks utilize their popular G-F81F to insure the best connection available. Hollands G-F81F is the one of the highest quality F81 adapters available on the market today. Holland's Patented Pin seizure mechanism offers twice the pin contact area and holding force as compared to conventional F splice adapters. This allows for the higher current handling required by newer satellite systems and offers long-term reliability.
Advantages of Holland's Premium Design
Lower Insertion Loss
The G-F81 series has approximately 1/3 the insertion loss of standard splices at higher frequencies.(Savings of over .5 dB at 2 GHz).
Higher Frequency Operation
The internal air dielectric in combination with the symmetrically round pin provide superior matching
over wide frequencies between DC and 3 GHz.
Higher Return Loss
With a return loss of over 35 dB @1 GHz, as compared to 13 dB for standard splices, the G-F81 can
assure a higher match resulting in faster digital speeds. The G-F81 series exceeds current SCTE minimum
RL levels of 20 dB.
Flat Port Ends
The G-F81F series uses a patented method to provide flat ports ends on both sides meeting the SCTE
specifications of flatness and aperture. Patent # 6,113,431.
Round, Multi-Point Seizing Pin
The patented multi-point seizing pin provides a larger contact area than standard, dual flat pin splices.
This results in lower contact resistance and thus higher current handling capability when needed, as well
as a greater resistance to long term center conductor oxidation. The patented design also creates a mild
wiping action which removes a few microns of oxidation upon insertion.
Beryllium Copper Seizing Pin
The use of the more expensive beryllium copper material for the center conductor seizing pins insures a
greater holding force than the traditional phosphor bronze or copper pins used in standard splices. The
advanced material also maintains a higher spring tension over repetitive insertions.
Accepts a Wider Range of Cable Center Conductors
Due to the greater elastic capability of beryllium copper, the G-F81 series can accept a wider variation in
cable center conductor sizes and maintains its high strength on the smallest cables even after repetitive
insertions of the largest cables.
Patented, 7-year Field Proven Design
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