Nagoya NA-701 (SMA-Female) vs Nagoya NA-771G (GMRS)

The NA-771G is the clear winner for GMRS use, but these aren't direct competitors since they're optimized for different frequencies.

The decisive factor is electrical length. The NA-771G operates at 0.60 wavelengths on GMRS, delivering legitimate 5/8-wave performance with realistic gain around 3 dBi. The NA-701 is electrically short on VHF at just 0.10 wavelengths, meaning it's severely compromised on that band despite any claimed specifications. On UHF, the NA-701 reaches quarter-wave performance with modest 0.8 dBi gain, but this is still well below what a half-wave design would provide.

Buy the NA-771G if you operate on GMRS or the 460-470 MHz range. Its longer physical length puts it at the right electrical length for these frequencies, and the 91/100 score reflects this engineering advantage.

Buy the NA-701 only if you primarily need UHF coverage on a compact handheld and can accept quarter-wave compromises, or if VHF isn't your main focus. The price advantage is minimal.

For most operators seeking a general-purpose antenna, the NA-771G's superior electrical design makes it the better investment despite the slight price premium. Choose based on your primary operating frequency.