MFJ | 1801 | manual | MFJ 1801 Manual

MFJ 1801 Manual
Weatherproof WiFi Antenna
2.4 GHz, 15dBi Gain Yagi
The MFJ-1801 is a 2.4 GHz 15dBi antenna that is housed in a weatherproof enclosure.
This antenna is perfect for strengthening 802.11b/g or "WiFi" signals. This antenna will
turn that wireless signal you can barely find into a strong useful signal. The MFJ-1801
comes with a mounting bracket which allows you to mount indoor or outdoor on any
mast up to 1 ¼ inches OD. The MFJ-1801 withstands harsh weather, wind,
thunderstorms, ice, sleet, snow, and high humidity. The MFJ-1801 WiFi antenna has 15
dBi of gain and uses standard 'N' connectors.
Figure 1: Internal WiFi Antenna
1. You will need a cable that fits your individual application. Since some wireless
network manufacturers do not use standard external antenna connectors, we have
provided a standard ‘N’ connector on the enclosure of the antenna in order for you to
easily fit a cable to your computer.
2. The MFJ-1801 WiFi Yagi Antenna is intended for applications in or out of the weather.
It is fully protected from the elements.
3. Mount on any mast up to 1¼”. Simply loosen the nuts on the bracket and install onto the
4. Connect the MFJ-1801 WiFi Yagi Antenna to your wireless card, and follow the wireless
card manufacturer’s instructions. You may need to adjust the position of the antenna to
achieve the maximum signal.
MFJ Enterprises, Inc. warrants to the original owner of this product, if manufactured by MFJ Enterprises,
Inc. and purchased from an authorized dealer or directly from MFJ Enterprises, Inc. to be free from
defects in material and workmanship for a period of 12 months from date of purchase provided the
following terms of this warranty are satisfied.
The purchaser must retain the dated proof-of-purchase (bill of sale, canceled check, credit card or
money order receipt, etc.) describing the product to establish the validity of the warranty claim and
submit the original or machine reproduction of such proof of purchase to MFJ Enterprises, Inc. at
the time of warranty service. MFJ Enterprises, Inc. shall have the discretion to deny warranty
without dated proof-of-purchase. Any evidence of alteration, erasure, or forgery shall be cause to
void any and all warranty terms immediately.
MFJ Enterprises, Inc. agrees to repair or replace at MFJ's option without charge to the original
owner any defective product under warrantee provided the product is returned postage prepaid to
MFJ Enterprises, Inc. with a personal check, cashiers check, or money order for $7.00 covering
postage and handling.
This warranty is NOT void for owners who attempt to repair defective units. Technical
consultation is available by calling the Service Department at 662-323-0549 or the MFJ Factory at
This warranty does not apply to kits sold by or manufactured by MFJ Enterprises, Inc.
Wired and tested PC board products are covered by this warranty provided only the wired and
tested PC board product is returned. Wired and tested PC boards installed in the owner's
cabinet or connected to switches, jacks, or cables, etc. sent to MFJ Enterprises, Inc. will be
returned at the owner's expense unrepaired.
Under no circumstances is MFJ Enterprises, Inc. liable for consequential damages to person or
property by the use of any MFJ products.
Out-of-Warranty Service: MFJ Enterprises, Inc. will repair any out-of-warranty product
provided the unit is shipped prepaid. All repaired units will be shipped COD to the owner. Repair
charges will be added to the COD fee unless other arrangements are made.
This warranty is given in lieu of any other warranty expressed or implied.
MFJ Enterprises, Inc. reserves the right to make changes or improvements in design or
manufacture without incurring any obligation to install such changes upon any of the products
previously manufactured.
All MFJ products to be serviced in-warranty or out-of-warranty should be addressed to:
MFJ Enterprises, Inc.,
300 Industrial Park Road
Starkville, Mississippi 39759 USA
and must be accompanied by a letter describing the problem in detail along with a copy of your
dated proof-of-purchase.
This warranty gives you specific rights, and you may also have other rights which vary from state
to state.
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