Midland MXT115 vs MXT500 (2026): 15W or 50W GMRS MicroMobile?
The MXT115 and MXT500 share the same compact MicroMobile form factor and the same straightforward vehicle install. One puts out 15 watts. The other puts out 50 — the legal maximum for GMRS. Here's what that gap means in practice, who the MXT115 still makes sense for, and when to spend the extra money on the MXT500.
Quick Verdict
Buy the MXT500. The 15W to 50W power gap is real and meaningful, the install complexity is identical, and the MXT500 includes an antenna the MXT115 doesn't. The MXT115 makes sense only for a secondary vehicle install, campground-loop communication where range is irrelevant, or a strict budget constraint.
Midland MXT500
$439.99
- 50W — maximum legal GMRS power
- Magnetic mount antenna included
- NOAA weather alerts
- Full repeater access (channels 15–22)
Midland MXT115
$199.99
- 15W output
- No antenna included
- NOAA weather alerts
- Repeater capable (channels 15–22)
The 15W vs 50W Power Gap in Plain Terms
Moving from 15W to 50W is a 5.2 dB increase in transmit power. In ideal line-of-sight conditions, that's roughly 40% more communication range. In real-world terrain — hills, trees, buildings — the gap is more context-dependent, but power consistently matters most at the edges: the moment when a call either connects or doesn't.
In practice: two vehicles in a campground loop 300 meters apart will sound nearly identical on either radio. Two vehicles separated by a ridge, or trying to maintain contact across 10 miles of open ranch land, will notice the difference. The MXT500's 50W output gives you a meaningful margin at range — more calls completed, fewer dropped transmissions, better repeater access from fringe locations.
| Scenario | MXT115 (15W) | MXT500 (50W) |
|---|---|---|
| Campground loop (under 1 mile) | Adequate | Excellent |
| Trail convoy (3–5 miles, mixed terrain) | Marginal | Good |
| Ranch / rural coverage (5–15 miles) | Unreliable | Workable |
| Repeater access at range | Inconsistent | Reliable |
| Vehicle-to-vehicle in canyon or valley | Poor | Better, not guaranteed |
GMRS Maximum Legal Power
50W is the FCC-authorized maximum for GMRS mobile stations. The MXT500 runs at that ceiling. You cannot legally go higher on GMRS without a different license class, and no consumer GMRS radio offers more than 50W. When you buy the MXT500, you're buying the most power the rules allow.
What's Identical Between Them
Despite the power gap, the MXT115 and MXT500 share the same core design. Both use the MicroMobile form factor — a compact control head that mounts to your dash or A-pillar, connected to a small radio body that tucks out of sight. Install complexity is the same for both.
Both radios offer the same channel lineup: 22 GMRS channels including channels 15–22 for repeater access. Both support NOAA weather channels and weather alerts. Both have a control head with volume knob and channel selector. The operating experience is essentially identical once installed — the difference is purely in how far your signal reaches.
| Feature | MXT115 | MXT500 |
|---|---|---|
| Form factor | MicroMobile | MicroMobile |
| Install complexity | Simple | Simple |
| GMRS channels (1–22) | Yes | Yes |
| Repeater channels (15–22) | Yes | Yes |
| NOAA weather | Yes | Yes |
| Output power | 15W | 50W (max legal) |
| Antenna included | No | Yes (magnetic mount) |
| GPS | No | No |
| Price | $100–130 | $300–380 |
Antenna: The Hidden Cost That Narrows the Price Gap
The MXT500 includes a magnetic mount antenna in the box. The MXT115 does not — you'll need to purchase an antenna separately. A basic magnetic mount GMRS antenna runs $30–50; a quality antenna with better gain costs $60–80.
Add $40–60 for a decent antenna to the MXT115's $100–130 price and you're looking at $140–190 all-in for the 15W setup. The MXT500 at $300–380 with antenna included narrows to a real-world gap of $110–190 — meaningful, but the performance difference justifies it for most uses.
Antenna Quality Matters as Much as Power
A 50W radio with a poor antenna will underperform a 15W radio with a quality antenna. Antenna height, gain, and coax quality all affect range more than many buyers expect. If you're upgrading from a handheld for more range, invest in a quality antenna regardless of which MicroMobile you choose.
Use Case Guide: Who Should Buy Which
- Primary vehicle for off-road or overlanding groups
- Ranch or rural property communication
- Long-distance convoy coordination
- Accessing repeaters at range
- Anyone who wants maximum performance
- Secondary or backup vehicle install
- Campground communication (range doesn't matter)
- Strict budget — the $170-250 gap is significant
- ATV, UTV, or small vehicle with limited power budget
- First GMRS radio before committing to a full setup
Consider the MXT575 if the MXT500 Is the Right Power Level
GPS Location Sharing for $100 More
The Midland MXT575 runs the same 50W output as the MXT500 and adds GPS location sharing and Bluetooth. For groups that run trail convoys or want to track vehicle positions, the MXT575 lets each radio broadcast its GPS location to others in the group — a meaningful capability for off-road coordination.
If you've decided the MXT500 is the right power level for your use case, compare the MXT575 before buying. The $100 premium over the MXT500 buys GPS tracking; if that feature matters for your group, the upgrade pays for itself.
Check MXT575 Price on AmazonSee our full MXT500 vs MXT575 comparison for a detailed breakdown of what the GPS upgrade buys in practice.
Frequently Asked Questions
- How much more range does the MXT500 have over the MXT115?
- The 15W to 50W jump is about 5.2 dB — which translates to roughly 40% more range in ideal line-of-sight conditions, and a more meaningful difference at the edge of coverage where the extra power determines whether you complete a call or drop it. Real-world range depends heavily on terrain, antenna quality, and whether you're hitting repeaters. The MXT500's advantage is most noticeable at range and in broken terrain.
- Is the MXT115 worth buying if the MXT500 is available?
- Only in specific situations: secondary vehicle installs where you want a low-cost radio, campground-loop communication where range is irrelevant, or a genuinely tight budget where the $170-250 price gap matters. For any primary vehicle or serious off-road use, the MXT500 is the right choice. The performance gap is real and the install complexity is identical.
- Does the MXT115 come with an antenna?
- No. The MXT115 requires a separately purchased antenna, which adds $30-80 to the total cost depending on what you choose. The MXT500 includes a magnetic mount antenna in the box. This hidden cost narrows the real-world price gap between the two radios by a meaningful amount.
- Do both radios require a GMRS license?
- Yes. Both the MXT115 and MXT500 are GMRS radios that legally require an FCC GMRS license to operate. The license costs $35 and covers your entire household for 10 years. It requires no exam — just an application on the FCC's website. Operating without a license is a violation of FCC rules.
- Can both radios hit repeaters?
- Yes. Both the MXT115 and MXT500 support GMRS repeater channels 15-22, which offset to the standard repeater input frequencies. Either radio can access GMRS repeaters. With the MXT500's 50W output and a quality antenna, you'll hit distant and marginal repeaters reliably. The MXT115 may struggle with repeaters at range that the MXT500 accesses easily.