Midland MXTA51 MicroMobile 2.1dB NMO Replacement Antenna Kit vs SureCall EZ 4G Plug-and-Play Cell Phone Signal Booster
Head-to-head spec comparison to help you pick the right kit component for your needs.

Midland
$55

SureCall
$399
Spec Winner
Midland MXTA51 MicroMobile 2.1dB NMO Replacement Antenna Kit
Wins on 2 of 3 spec categories
Spec-by-Spec Comparison
| Spec | Midland MXTA51 MicroMobile 2.1dB NMO Replacement Antenna Kit | SureCall EZ 4G Plug-and-Play Cell Phone Signal Booster |
|---|---|---|
| Kit Role | Magnetic-mount NMO antenna upgrade for MXT575 — improves range by eliminating interior-mount losses | no-drill cell booster |
| Category | antenna | cell-booster |
| Renter Install | vehicle mount | window plug-in |
| Building Fit | vehicle / RV | one room |
| Max Power | N/A | N/A |
| Channels | N/A | N/A |
| Clear LOS Range | N/A | N/A |
| Coverage | N/A | 2000 sq ft |
| Battery Life | N/A | N/A |
| Water Resistant | Yes | No |
| SOS Button | No | No |
| Weather Alerts | No | No |
| License Required | Yes | No |
| Subscription Required | No | No |
| Subscription/mo | 0 $ | 0 $ |
| Price | $55 | $399 |
| Rating | 8.0/10 | 7.1/10 |
| Buy on Amazon |
Pros & Cons
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
SureCall EZ 4G Plug-and-Play Cell Phone Signal Booster
Pros
- Cleanest no-drill apartment booster in the catalog
- Window-unit layout avoids roof, pole, or exterior antenna mounting
- All-carrier support for one shared command-post room
- Good fit when one window has signal and the apartment interior does not
- Simpler install story than multi-room booster kits
Cons
- Only works when the window already receives usable signal
- Amazon listing has weaker customer ratings than weBoost options
- Needs carrier registration/consent before use, and boosted calls can have less accurate E911 location data
- Window unit and indoor antenna still need meaningful separation to avoid a weak setup
- Limited one-room role, not a whole-apartment coverage plan
- Still will not help during a full carrier tower outage
Our Verdicts
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.
SureCall EZ 4G Plug-and-Play Cell Phone Signal Booster
The SureCall EZ 4G is the strictest renter/no-drill booster in the OutageKit lineup, but it is a secondary pick. It earns a place when lease rules are strict, one window has usable signal, the indoor antenna can be separated properly, and the goal is one registered phone station instead of whole-home coverage. Choose weBoost Home Studio for stronger brand confidence; choose the EZ 4G only when reversible window placement is the deciding constraint.
Midland MXTA51 MicroMobile 2.1dB NMO Replacement Antenna Kit
$55