MFJ-842 Compact Cross-Needle SWR/Wattmeter a device designed for measuring SWR and power output in amateur radio.
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MFJ Enterprises

MFJ-842 Compact Cross-Needle SWR/Wattmeter a device designed for measuring SWR and power output in amateur radio.

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£99.95
(£83.29 exc. VAT)
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Product code: MFJ-842
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£99.95
12 Months 14.9% APR
£9.99
£8.61
£113.35
£99.95
18 Months 14.9% APR
£9.99
£5.74
£113.35
£99.95
24 Months 14.9% APR
£9.99
£4.31
£113.35
£99.95
36 Months 14.9% APR
£9.99
£2.87
£113.35
£99.95
48 Months 14.9% APR
£9.99
£2.15
£113.35
£99.95
12 Months 19.5% APR
£9.99
£8.96
£117.49
£99.95
18 Months 19.5% APR
£9.99
£5.97
£117.49
£99.95
24 Months 19.5% APR
£9.99
£4.48
£117.49
£99.95
36 Months 19.5% APR
£9.99
£2.99
£117.49
£99.95
48 Months 19.5% APR
£9.99
£2.24
£117.49

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MFJ-842 Compact Cross-Needle SWR/Wattmeter a device designed for measuring SWR and power output in amateur radio.

MFJ-842 Compact Cross-Needle SWR/Wattmeter a device designed for measuring SWR and power output in amateur radio.


The MFJ-842 is a versatile SWR/Wattmeter for HF/VHF and VHF/UHF frequencies. Its standout feature is the large 3" cross-needle meter that allows users to monitor forward/reflected power and SWR simultaneously. This functionality makes it particularly well-suited for mobile or portable operations. The meter offers two selectable power ranges and a built-in meter light that operates on +12 VDC. With SO-239 connectors and compact dimensions of 3 1/4 W x 3 1/4 H x 3 1/4 D inches, the MFJ-842 is a convenient tool for radio enthusiasts.

Covering a frequency range of 140-525 MHz, the MFJ-842 is a reliable option for a wide variety of applications. It can handle 15- or 150-watt power levels, providing flexibility for different setups and power requirements. The sturdy construction and precise metering capabilities of the MFJ-842 make it a valuable addition to any radio operator's toolkit. Whether used in a vehicle or the field, this compact SWR/Wattmeter delivers accurate and real-time power readings to enhance your radio experience.

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