Nissei DG-503MAX Digital SWR and Power Meter for Analog and Digital Radios (1.6-60 MHz / 125-525 MHz, 200 Watts)

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Details

This model measures NXDN (FDMA) and DMR (TDMA) digital radios.

The Nissei DG-503MAX is a digital power and S.W.R. meter for analog and digital two way radios with a maximum measurable power range of up to 200W. It has UHF Female (SO-239) in and out connectors.

highly accurate for measuring Forward Power, Reflected Power, and the VSWR of Analog and Digital transceivers
Large LCD (3.5″) backlit display for easy of reading
Measurement (Analog mode): CW, FM, FDMA
Measurement (MAX mode): DMR (TDMA), AM, SSB
Calibration point: 28 / 145 / 435 MHz
Maximum measurable power range up to 200W
Minimum Power for SWR 1W
Checks your antenna SWR
Checks your radio RF power wattage
Easy to install
DC Power source: 12V DC Wire
Applicable rechargeable battery.
Convenient control layout for easy operation.
Frequency range: 1.6-60 MHz / 125-525 MHz
Insertion Loss: Less than 0.1 dB
Testing functions: Fwd/Rev Power, SWR ratio
Accuracy: (AVG) + / - 5%
Impedance: 50 Ohm
Interface (in and out): UHF female (SO-239)
Includes operation manual and DC 12V wire
Model number: DG-503MAX
Dimensions: 5.51 in.(W) x 3.30 in. (H) x 4.80 in. (D) / 140 x 84 x 122 mm
Net Weight: 1.65 lbs. / 750g

Additional Information

Warranty	90 Days

Nissei DG-503 MAX Digital SWR and Power Meter for Analog and Digital Radios. review by Scott E. on 3/18/2024

Rating

Nissei DG-503 Max Digital Analog SWR and Power Meter work great pretty accurate reading easy to read display good for the money.
Precise and simple controls review by K4CQO on 6/3/2023

Rating

I replaced an analog Nessie SWR meter with this one and I am very happy with the upgrade. I no longer have to set the Xmit level and the display is large and very easy to read.

I like that it will support SSB and DMR level measurements. I added power pole connectors.

Two Way Radios were quick to ship the unit and it was packaged securely. I am very happy with them and their service.