Retevis RT97S Portable GMRS Repeater 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.
Retevis
$340
SureCall
$399
Spec-by-Spec Comparison
| Spec | Retevis RT97S Portable GMRS Repeater | SureCall EZ 4G Plug-and-Play Cell Phone Signal Booster |
|---|---|---|
| Kit Role | GMRS repeater hub | no-drill cell booster |
| Category | gmrs-repeater | cell-booster |
| Renter Install | permission required | window plug-in |
| Building Fit | licensed RF relay | one room |
| Max Power | 5 W | N/A |
| Channels | 8 | N/A |
| Clear LOS Range | N/A | N/A |
| Coverage | N/A | 2000 sq ft |
| Battery Life | N/A | N/A |
| Water Resistant | No | No |
| SOS Button | No | No |
| Weather Alerts | No | No |
| License Required | Yes | No |
| Subscription Required | No | No |
| Subscription/mo | 0 $ | 0 $ |
| Price | $340 | $399 |
| Rating | 8.2/10 | 7.1/10 |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
Retevis RT97S Portable GMRS Repeater
Pros
- Adds a real RF relay layer no handheld can provide
- Purpose-built GMRS repeater with built-in duplexer
- Portable AC/DC format can support temporary building or neighborhood drills
- Pairs with repeater-capable handhelds like the BTECH GMRS-V2
- Best fit for licensed building captains and prepared neighborhood radio leads
Cons
- Not a renter gadget; needs permission, antenna placement, and power planning
- No organization-wide license shortcut; unrelated GMRS operators still need their own licenses
- Shared repeater use needs a responsible licensed operator, call-sign discipline, and written operating rules
- Bad antenna placement inside concrete can erase the benefit
- More complex and easier to misuse than simple handheld radios
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
Retevis RT97S Portable GMRS Repeater
The RT97S is the advanced GMRS product OutageKit was missing: a repeater for a licensed building radio lead trying to make floor-to-lobby or neighborhood RF coverage more reliable. It is not for casual renters, condo-board blanket use, or internet-linked networks, and it does not bypass GMRS licensing or station-identification rules. It belongs only when a responsible licensed operator can place the antenna, power the unit, and run a written channel plan.
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.