Retevis RT22 FRS Walkie Talkies 4 Pack
- 4 radios with USB-C charging
- 16 channels, FRS, license-free
- 2 mile maximum range
- 3.7 volt lithium ion batteries included, 12 hours average life
- 2 dual-port USB chargers and 4 USB-C cables
- 1.6 pounds, 3 year warranty on the radio body
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A four-radio FRS set that charges over USB-C, aimed at camping, cruises and small shops. Range is an upper limit, so plan on short distances.
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ASIN: B00KDZHLNGModel: A9121GCategory: Two-Way Radios
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Overview
A campsite, a cruise ship deck or a small shop floor is where this compact FRS set earns its keep. The short antenna and detachable belt clip suit carrying, and battery saver mode stretches the charge.
Charging over USB-C means phone-style cables and adapters can top up the radios. The set is basic, so there is no GMRS power, and the listed range is a ceiling that terrain and walls will cut.
Who it's for
Campers, hikers, cruise travelers and small staff teams who want simple radios with no license. Skip it if you need rugged, long range or high power radios.
Pros and cons
- USB-C charging cables included
- Battery saver mode
- Detachable belt clip
- No license needed under FRS
- Short range ceiling
- Not a GMRS radio
- Warranty text is long and unclear
Performance notes
Low power FRS radios depend on line of sight, so open ground gives the best distance and buildings cut it sharply. Battery saver mode lowers idle draw. Charging happens through the supplied USB-C cables and dual-port adapters.
Specifications
| Brand | Retevis |
|---|---|
| Model | A9121G |
| Dimensions & fit | |
| Weight | 1.6 pounds |
| Item dimensions d x W x h | 0.83 x 2.2 x 5.35 inches (D x W x H) |
| Capacity & performance | |
| Talking range maximum | 2 mile |
| Audible Noise | 30 db |
| Temperature Range | -20-50 °C |
| Power & efficiency | |
| Battery average life | 12 hourslower than 61% of 39 two-way radios |
| Voltage | 3.7 volts_of_direct_current |
| Construction & materials | |
| Color | Black |
| Compatibility & installation | |
| Connectivity protocol | FRS, license-free |
| Compatible Devices | Retevis RT68, RT21, H777, RT17, RB29 etc. |
| Included components | |
| Unit Count | 4 Count |
| Warranty & support | |
| Warranty description | 3 years radio body, 1 year accessories |
| Other details | |
| Water resistance level | Water resistant |
| Number of channels | 16 |
| Number of batteries | 4 lithium ion, 3.7 volts, included |
| Additional features | Battery saver mode, detachable belt clip, rechargeable |
| Builtin media | 4 radios, 2 dual-port USB charger adapters, 4 USB-C cables, batteries, belt clips |
| Item Type Name | Two-Way Radios |
| Mfr Part Number | FA9121A2-C9018A |
| Waterproof Rating | IP65 |
Closest rivals on specs
MOICO T5 FRS Walkie Talkies 2 Pack- Talking range maximum 2 vs 3 miles (-33%)
BTECH UV-PRO Dual Band Two-Way Radio- Number of channels 16 vs 180 (-91%)
- Warranty description 3 vs 1 years (+200%)
BAOFENG BF-F8HP PRO Tri-Band Ham Radio- Number of channels 16 vs 1000 (-98%)
- Talking range maximum 2 vs 5 miles (-60%)
- Battery Average Life 12 vs 10 hours (+20%)
Frequently asked questions
Is the Retevis RT22 4 pack a GMRS set?
No. It is listed as FRS, which is license-free.
How do the Retevis RT22 radios charge?
Through 4 USB-C cables and 2 dual-port USB charger adapters in the box.
How long do the radios last on a charge?
The specs list an average life of 12 hours.
Can the RT22 radios work with other Retevis models?
The listing names RT68, RT21, H777, RT17 and RB29.