Nissei DG-503 MAX 1
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Nissei radio products

Nissei DG-503 MAX is a maximum SWR and power meter that measures DMR, SSB, and AM.

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£159.95
(£133.29 exc. VAT)
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Product code: DG-503MAX
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£159.95
12 Months 14.9% APR
£15.99
£13.78
£181.40
£159.95
18 Months 14.9% APR
£15.99
£9.19
£181.40
£159.95
24 Months 14.9% APR
£15.99
£6.89
£181.40
£159.95
36 Months 14.9% APR
£15.99
£4.59
£181.40
£159.95
48 Months 14.9% APR
£15.99
£3.45
£181.40
£159.95
12 Months 19.5% APR
£15.99
£14.34
£188.02
£159.95
18 Months 19.5% APR
£15.99
£9.56
£188.02
£159.95
24 Months 19.5% APR
£15.99
£7.17
£188.02
£159.95
36 Months 19.5% APR
£15.99
£4.78
£188.02
£159.95
48 Months 19.5% APR
£15.99
£3.58
£188.02

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Nissei DG-503 MAX 1

Nissei DG-503 MAX is a maximum SWR and power meter that measures DMR, SSB, and AM.


The Nissei DG-503 MAX SWR & Power meter is a versatile tool for measuring Forward Power, Reflected Power, and VSWR of analogue and digital transceivers. Its main features include a large 3.5" LCD for easy reading, a one-push button for measuring Forward/Reflected power/VSWR ratio, and the ability to measure DMR (TDMA), AM, and SSB.

The specifications of the DG-503 and DG-503MAX models are as follows: Frequency Range of 1.6-60 MHz / 125-525 MHz, Power Range of 0-200W with an accuracy of (+/- 5%), and Calibration points at 28 / 145 / 435 MHz. The meter also features an Input/Output Connector of SO239 (N-female option), a weight of 750g, and dimensions of 140 x 84 x 122 mm.

Additional details include a minimum power requirement of 1W for SWR measurement, Insertion Loss of less than 0.1 dB, and Input/Output Impedance of 50 Ohm. The package has essential accessories such as an Operation Manual and a 12V DC Wire for convenient use.

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