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Comparison table
of RigExpert antenna analyzers

Function AA-30 .ZERO AA-30 AA-35 ZOOM AA-54 AA-55 ZOOM AA-170 AA-230 ZOOM AA-600 AA-1000 AA-1400
Frequency range 0.06-35 MHz 0.1-30 MHz 0.06-35 MHz 0.1-54 MHz 0.06-55 MHz 0.1-170 MHz 0.1-230 MHz 0.1-600 MH 0.1-1000 MHz 0.1-1400 MHz
Frequency entry step size 1 Hz 1 kHz
Min. sweep range 100 Hz 10 kHz
SWR2AIR™ mode + + +
MultiSWR™ mode +
Reactance sign measurement +
Antenna connector type SMA UHF (SO-239) type N
Output power +13 dBm -10 dBm
Output amplifier CMOS logic chip
Output signal shape square
Reference impedance for SWR measurement 25, 50, 75, 100 Ohm 50, 75 Ohm 25, 50, 75, 100 Ohm 50, 75 Ohm 25, 50, 75, 100 Ohm 50, 75 Ohm 25, 50, 75, 100 Ohm
Analog-to-digital converter 10-bit 12-bit 10-bit 12-bit 10-bit 16-bit
Batteries two AA three AA four AAA three AA
Battery voltage sensor +
Operation with external power supply (without battery) Ext. 5V from USB
LCD Monochrome, 128×64 Color TFT, 320×240 Monochrome, 128×64 Color TFT, 320×240 Monochrome, 128×64 Color TFT, 290×220 Color TFT, 320×240
Time Domain Reflectometer mode – * Built-in
Flash memory for storing graphs 10 memory slots 100 memory slots 10 memory slots 100 memory slots 90 R/X or SWR memory slots, 10 TDR memory slots
Multilingual support English only +
Presets for radio amateur bands +
AA-30 .ZERO AA-30 AA-35 AA-54 AA-55 ZOOM AA-170 AA-230 ZOOM AA-600 AA-1000 AA-1400

Make sure the latest firmware is uploaded to the analyzer. See the Downloads section.

* The AntScope software is able to plot graphs in Time Domain Reflectometer (TDR) mode when AA-30/AA-54/AA-170 is connected to the computer. Since the resolution of the TDR graph is proportional to the maximum operating frequency of an analyzer, much better results are obtained by using AA-230 ZOOM, AA-600, AA-1000 or AA-1400.