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Orinoco, Buffalo & related wireless cards have an "MC" antenna jack which fits an MC connector,
such as the MC connector on this adapter.
MC jacks and connectors are vulnerable to
damage, because of their miniature size: Every time the MC connector is removed from the jack, or plugged into
the jack, a small
amount of damage is caused to the jack and to the connector.
Pulling or tugging at a cable with an MC connector can cause damage to the jack and to the connector.
An MC connector may
actually break after a lot of plugging in, pulling out, and the strain
from the cable
being tugged in day to day use.
A primary purpose of this adapter is to preserve the MC jack on
the wireless card. This adapter may be permanently
attached to the wireless card, by use of
Velcro
strips & "coins" (available in our e-store), silicon bonding
cement, or a cable tie. You can then attach an
antenna with an RP-SMA (female) connector - and you can
remove and attach this connector as often as you wish without
causing any damage. Pulling & tugging on the cable,
as occurs with ordinary usage, will no longer threaten or ruin
your Orinoco card's jack.
The RP-SMA connector is about 5x larger than
an MC connector (1 CM vs. 2mm, respectively). Further, the RP-SMA
connector is threaded so that it has much, much higher resiliency against wear.
Other benefits:
* Much less loss of gain with the RP-SMA because of the
threaded
connection and the lack of wear.
* An
extension cable can be added
and removed as needed (RP-SMA male to RP-SMA female)
The
cable of this adapter is LMR100A, which is low-loss cable of much
higher quality than the black pigtail cables, which are
RG174. LMR100A
is much higher
quality & cost
than RG174. The higher quality of
the cable of this antenna translates into lower loss/better
performance
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