Comparison table of antenna analyzer model functionality
function/model	AA-230	AA-230PRO	AA-520	AA-1000	AA-54	AA-30
Frequency range	0.3-230 MHz	0.3-230 MHz	1-520 MHz	0,1-1GHz	0.1-54 MHz	0.1-30MHz
Frequency entry step size	1 kHz	1 kHz	1 kHz	1 kHz	1 KHz	1 KHz
Min. sweep range	10 kHz	10 kHz	100 kHz	10 kHz	10 KHz	10 KHz
SWR2AIR™ mode	+	+	-	-	-	-
Reactance sign measurement	+	+	-	-	+	+
Connector type	UHF (PL)	UHF (PL)	N	N	UHF (PL)	UHF (PL)
Output power	+10 dBm	+10 dBm	+5 dBm	-10 dBm	+13 dBm	+13 dBm
Output amplifier	Transistor stage with additional protection	Transistor stage with additional protection	Transistor stage with additional protection	LVDS logic chip	CMOS logic chip	CMOS logic chip
Reference impedance for SWR measurement	25, 50, 75, 100 Ohm	25, 50, 75, 100 Ohm	50 Ohm	25, 50, 75, 100 Ohm	50, 75 Ohm	50, 75 Ohm
Analog-to-digital converter	12-bit	16-bit	16-bit	16-bit	10-bit	10-bit
Battery voltage sensor	+	+	+	+	+	+
Operation with external power supply (without battery)	ext. 9...12V supply	ext. 9...12V supply	ext. 9...12V supply	from USB	from USB	from USB
Built-in rechargeable battery	+	+	+	-	-	-
Batteries	removable 4.8V Ni-MH battery pack	removable 4.8V Ni-MH battery pack	removable 4.8V Ni-MH battery pack	three 1.5V alcaline or two 1.2V Ni-MH, AA size	two 1.5V alcaline or two 1.2V Ni-MH, AA size	two 1.5V alcaline or two 1.2V Ni-MH, AA size
LCD backlit	White, ultra-bright LEDs	White, ultra-bright LEDs	White, ultra-bright LEDs	White, ultra-bright LEDs	Green	Green
Time Domain Reflectometer mode	Only with AntScope software on the PC	Built-in	-	Built-in	-	-
MultiSWR™ mode	+	+	+	+	+	-
Flash memory for storing graphs	100 memory slots	90 R/X or SWR memory slots, 10 TDR memory slots	100 memory slots	90 R/X or SWR memory slots, 10 TDR memory slots	100 memory slots	-
Multilingual support	+	+	+	+	+	- (English only)