Mfj-1664 6-80 meters portable screwdriver antenna.
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MFJ Enterprises

Mfj-1664 6-80 meters portable screwdriver antenna.

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£229.96
(£191.63 exc. VAT)
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Product code: MFJ-1664
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£229.96
12 Months 14.9% APR
£23.00
£19.82
£260.79
£229.96
18 Months 14.9% APR
£23.00
£13.21
£260.79
£229.96
24 Months 14.9% APR
£23.00
£9.91
£260.79
£229.96
36 Months 14.9% APR
£23.00
£6.61
£260.79
£229.96
48 Months 14.9% APR
£23.00
£4.95
£260.79
£229.96
12 Months 19.5% APR
£23.00
£20.61
£270.31
£229.96
18 Months 19.5% APR
£23.00
£13.74
£270.31
£229.96
24 Months 19.5% APR
£23.00
£10.30
£270.31
£229.96
36 Months 19.5% APR
£23.00
£6.87
£270.31
£229.96
48 Months 19.5% APR
£23.00
£5.15
£270.31

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Mfj-1664 6-80 meters portable screwdriver antenna.

Mfj-1664 6-80 meters portable screwdriver antenna.


The MFJ-1664 manually tuned screwdriver antenna was designed for continuous operation from 6-80 meters using a supplied whip 10 feet in length. The supplied 4 ½ foot whip can be used for mobile or limited space operation from 6-40 meters.

The antenna is tuned by loosening a thumbscrew and moving the aluminium cover up or down the loading coil. The loading coil is made of tin-plated copper wire wound onto a PVC pipe core.

Copper Beryllium finger-stock is used to make the connection between the aluminium cover and the loading coil. Portable Operation And Mounting,

The MFJ-1664 becomes a very efficient portable antenna when used in combination with a tripod and a ground radial system. The antenna can be easily mounted onto a tripod such as the MFJ1918 or similar mount for portable, operations. The MFJ-342 3/8 pipe mount easily attaches the antenna to a tripod. The antenna must be properly connected to a ground radial system.

Portable Setup,

1. Remove the antenna from the packaging.

2. Place a 3/8“ lock washer onto the 3/8 X 24 thread of the desired whip.

3. Carefully screw the desired whip into the 3/8 coupling nut located on top of the loading coil.

4. Secure the whip in place with a 9/16 wrench.

5. Place a 3/8” lock washer onto the 3/8 X 24 mount on the base of the loading coil.

6. Screw the antenna into the desired mount 3/8 X 24 female mount such as the MFJ-342.

7. Secure the antenna in place using a 9/16” wrench.

8. Attach the counterpoise system to the ground shield of the feed line. If using an MFJ-342

or similar mount attaches the ground radials to one of the ¼” bolts located on the mount.

Check to make sure the ground system does not come into contact with the screwdriver,

Mobile Setup,

1. Remove the antenna from the packaging.

2. Place a 3/8“ lock washer onto the 3/8 X 24 thread of the desired whip. ALWAYS USE

LOCK WASHERS FOR MOBILE INSTALLATIONS.

3. Carefully screw the desired whip into the 3/8 coupling nut located on top of the loading coil.

4. Secure the whip in place with a 9/16 wrench.

5. Place a 3/8” lock washer onto the 3/8 X 24 mount on the base of the loading coil.

ALWAYS USE LOCK WASHERS FOR MOBILE INSTALLATIONS.

6. Screw the antenna into the desired amount.

7. Secure the antenna in place using a 9/16” wrench.

8. Attach a vehicle ground to the ground shield of the feed line. The ground should be attached directly to the vehicle frame or body. Check to make sure the ground system

does not come into contact with the screwdriver antenna. 

WARNING: SERIOUS RF BURNS AND INJURY CAN OCCUR IF CONTACT IS MADE WITH THE ANTENNA. PLACE THE ANTENNA IN AN OUT-OF-REACH LOCATION.

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