Midland MXT575 50W MicroMobile GMRS Two-Way Radio vs Midland MXTA51 MicroMobile 2.1dB NMO Replacement Antenna Kit
Head-to-head spec comparison to help you pick the right kit component for your needs.

Midland
$449

Midland
$55
Spec-by-Spec Comparison
| Spec | Midland MXT575 50W MicroMobile GMRS Two-Way Radio | Midland MXTA51 MicroMobile 2.1dB NMO Replacement Antenna Kit |
|---|---|---|
| Kit Role | Convoy GMRS command radio + NOAA weather alert monitor for RV/van builds | Magnetic-mount NMO antenna upgrade for MXT575 — improves range by eliminating interior-mount losses |
| Category | gmrs-mobile | antenna |
| Renter Install | vehicle mount | vehicle mount |
| Building Fit | vehicle / RV | vehicle / RV |
| Max Power | 50 W | N/A |
| Channels | 15 | N/A |
| Clear LOS Range | 40 mi | N/A |
| Coverage | N/A | N/A |
| Battery Life | N/A | N/A |
| Water Resistant | No | Yes |
| SOS Button | No | No |
| Weather Alerts | Yes | No |
| License Required | Yes | Yes |
| Subscription Required | No | No |
| Subscription/mo | 0 $ | 0 $ |
| Price | $449 | $55 |
| Rating | 9.0/10 | 8.0/10 |
| Buy on Amazon |
Pros & Cons
Midland MXT575 50W MicroMobile GMRS Two-Way Radio
Pros
- Maximum legal 50W output gives best possible GMRS range — 40+ miles line-of-sight
- Built-in NOAA Weather Scan + Alert monitors all 7 channels automatically
- 8 repeater channels with split-tone support for coordinating with repeater networks
- Fully integrated control mic saves dash space; hide-away radio unit keeps it stealthy
- USB-C QC 3.0 charging port (36W) charges phones from rig power
Cons
- Requires FCC GMRS license ($35, covers household for 10 years)
- Premium price — $450+ is a significant investment vs handheld alternatives
- Professional-level feature set may overwhelm casual users
- Not inherently waterproof (requires weatherproof antenna and cable routing)
Midland MXTA51 MicroMobile 2.1dB NMO Replacement Antenna Kit
Pros
- Official Midland replacement kit — designed specifically for MXT500 and MXT575
- Strong 3.5-inch magnetic base with rubber boot stays put on roof or hood
- 6-meter RG-58A/U coax cable gives plenty of routing flexibility in a van or RV
- 2.1dB unity gain antenna restores factory-spec range after trail damage
- Includes metallic plate (MXTA38) for non-ferrous roof surfaces
Cons
- 2.1dB gain is modest — serious operators may want the MXAT01VP (7.5dB, $195) for max range
- Magnetic mount is not a permanent install; may shift at highway speeds without MXATMT1 bracket
- ASIN unverifiable via Amazon (bot-walled) — sold primarily through Midland direct and specialty radio retailers
Our Verdicts
Midland MXT575 50W MicroMobile GMRS Two-Way Radio
The MXT575 is the definitive GMRS mobile radio for RV and van-life convoy coordination — maximum legal power output, real NOAA weather alerting, and repeater capability make it the workhorse that turns a rig into a comms hub. Pairs perfectly with a magnetic-mount NMO antenna upgrade for roof-mounted range. FCC GMRS license required but trivially obtained.
Midland MXTA51 MicroMobile 2.1dB NMO Replacement Antenna Kit
The MXTA51 is the clean, hassle-free antenna upgrade for any MXT575 install — the factory magnetic-mount NMO kit means no drilling, no adapters, and guaranteed radio compatibility. For serious range in flat terrain, upgrade to the MXAT01VP fiberglass antenna ($195); the MXTA51 is the right call for most RV users who want plug-and-play performance.
Midland MXTA51 MicroMobile 2.1dB NMO Replacement Antenna Kit
$55