With the BNC connector it's tu and it's done. The other advantage of the BNC adapter - after you get the SMA connector lined up to start screwing it down, it's turn turn turn turn turn turn turn turn turn, etc. This means that it would take 343 years to wear out the SMA adapter.
If you used a BNC adapter, with the same wear, you would replace the adapter at the same 8 months, 7 days but only have 1 cycle on the SMA adapter. 2 cycles per day would wear out the connector in 8 months 7 days.
SMA CONNECTOR THREAD PORTABLE
You get home, remove the car antenna and connect the portable antenna, that is 2 cycles in one day. You have the radio in the house with an antenna attached, you go to the car, remove the portable antenna and connect the car antenna, that's one cycle. For arguments sake, the radio is never dropped or the connector damaged in any way other than removing/installing antennas and the connectors wear out at 500 cycles (remove and replace the antenna equals 1 cycle). so to speak.Īs a side note, anybody know a way to get a new BNC jack on a pro668 without having to get it sent off somewhere for all eternity? like a BNC to BNC twist-on UNIDEN-type solution that doesn't end up being 5 inches taller than the housing? The BNC jacks on PRO-668's are not to be regarded as, nor played with, as if it were an appendage one, as a young boy, discovered has more than one function. the beauty with the adapters being, quick switch, quick fix. the amount of antenna switching i have done.well let's say most would call it excessive, i call it testing, but nonetheless, i figure has far exceeded the industry standard testing protocols for mating cycles for this type of purpose, and i have had basically no issues worth mentioning nor fixing. i dunno how well the SMAs would hold up under my "care" but i know that the BNCs do just dandy. Type F connectors look similar but are of slightly different size and will not pair with SMA or RP-SMA connectors without an adapter.As the voice of experience, i feel compelled to add little to nothing on the SMA front, but would like to highly recommend the UNIDEN BNC jacks and the SMA to BNC adapters. SMA connectors are not compatible with the common, commercially available Type F coaxial connector. Type F connectors look similar but are of slightly different size and will not pair with SMA or RP-SMA connectors without an adapter. WiFi antennas, LTE, GSM & CDMA antennas, 433MHz antennas.Common applications of SMA connectors and cables: The connectors have a coupling cycle of 500 times, which can only be achieved by applying the recommended torque while coupling. Both male and female connectors use polytetrafluoroethylene (PTFE) dielectric. SMA connectors have an impedance of 50 Ohms used from DC to 18GHz. Connectors are made out of stainless steel or brass, coated with nickel or gold around the contacts. This coupling is fairly secure and has an outstanding mechanical durability. The male connector has a hex nut that fits securely around the female barrel for a tight coupling. The female connector has a threaded barrel with a density of 36 threads per inch. The SMA connector (Sub-Miniature Version A) is a semi-precision RF coaxial connector with a screwing coupling feature.
This reversing is done on some equipment where there is a danger that the user might damage the connectors wile coupling due to their position or repeated mating. Standard SMA and RP-SMA connectors are not compatible. Similarly, the female has a central pin rather than a receptacle.
The female has a central receptacle and an outer casing with external threads. Standard SMA: The male has a central pin and a hex nut barrel with internal threading.
Reverse Polarity SMA (RP-SMA) connectors: Standard brass connectors are also relatively inexpensive. SMA connectors are favored for their screw coupling mechanism which is reliable and vibration resistant.
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