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MFJ-849 Nissei DG-503MAX Digital SWR & Watt Meter for HF / VHF / UHF Analog & Digital Radios | 1.6-60 MHz, 125-525 MHz | 200 Watt

Name: Nissei DG-503MAX
Brand: Nissei
SKU: DG-503MAX
Price: 164.9500 USD
Availability: InStock

Nissei DG-503MAX

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Changed your mind? No problem! Return unused, unopened, and unmodified products within 30 days for a refund.
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Unlock the full potential of your radio with our in-house radio technican upgrade services. Don't leave any potential for performance on the table, and ensure your new radio equipment has been thoroughly tested and verified to operate at it's maximum potential.

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Speak directly with the radio Technician for any operation quests

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Product Highlights

Measures Analog (FM, CW, FDMA) & Digital Modes (DMR, AM, SSB)
Covers HF (1.6-60MHz), VHF / UHF (125-525 MHz)
200 Watt Power Rating
AM Carrier ✅, AM PeP ❌, AM RMS ✅, FM ✅, SSB ✅
Alternative to the MFJ-849
*NOTE* Power Supply Not Included - Requires 1A 12VDC Power Supply

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Free Phone Support

844-925-2688 9-5 Mon-Fri

Frequency

1.6 - 60 MHz 1.6 - 525 MHz

Display

Digital (LCD)

Style

Desktop

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⚠️ Please Note

The built-in SWR function will no longer work with this modification selected.

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Description
Technical Details
Questions & Answers

The Nissei DG-503MAX is a digital SWR & watt meter that is highly accurate and covers the HF/VHF/UHF bands. The large LCD displays Forward / Reflected power and SWR simultaneously and is bright and easy to read. There are input/output connectors for both HF & VHF/UHF that you can toggle between with the switch in the front of the meter.
Its rear switch allows you to operate on FM, CW, FDMA, or DMR (TDMA) ,AM, SSB while in the MAX ON position. Includes 12V DC power wire. Alternative to the MFJ-849

MFJ-849 vs Nissei DG-503MAX comparison

DG-503MAX Technical Specifications

AM Carrier	✅
AM PeP	❌
AM RMS	✅
FM	✅
SSB	✅
Frequency Range	1.6 - 60 MHz / 125 - 525 MHz
Measurement (Analog Mode)	CW, FM, FDMA
Measurement (MAX Mode)	DMR (TDMA), AM, SSB
Calibration Point	28 / 145 / 435 MHz
Power Range	0 - 200W
Accuracy	± 5%
Minimum Power for SWR	1W
Input/Output Connectors	SO-239 (UHF Female)
Insertion Loss	Less than 0.1 dB
Testing Function	Forward / Reflected Power & VSWR
Input Output Impedance	50 Ohm
Dimensions (W x H x D)	140 x 84 x 122mm \| 5.5 x 3.3 x 4.8 inch

What wire is positive and ground?

The wire with the dashed white line is positive, the other wire with no coloration is ground

How does this meter get power?

You need to use at least a 12VDC 1A power source for this meter to function. In a vehicle, you can tap into any 12V power source. At home you need a separate power supply (sold separately).

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