Will it work in your country?
PeakPTT lists twelve LTE FDD bands and band 41 for the PTT-624G, all of them US bands, plus Wi-Fi. Band 20, which most EU networks use outside cities, is not among them, and neither are bands 3 and 8.
Try the push-to-talk apps on the PTT-624G
These services list the PTT-624G as supported. Pick one and try what it can do.
The radio's keys work too: PTT plays the next call (hold it to talk), the knob or ▲▼ change the group, ◀▶ switch the app’s screens, the red key stops.
About PeakPTT →Website ↗How big is it?
The PTT-624G next to other radios, to scale. Pick up to three to compare.
Full specifications
Values come from the sources listed at the end of the page. Where they disagree, both values are shown.
| LTE FDD bands | B2 B4 B5 B7 B12 B13 B14 B17 B25 B26 B66 B71 |
|---|---|
| LTE TDD bands | B41 |
| 3G (WCDMA) | B2 B4 B5 |
| Wi-Fi | 802.11 a/b/g/n, 2.4 and 5 GHzSources differ |
| SIM | Carrier SIM supplied by PeakPTT; radios ship pre-programmed; SIM and microSD slot under a sealed cover |
| Carrier certification | US Cellular Carrier Certified |
| Operating system | Android 10 (secured) |
|---|---|
| Processor | Quad-core ARM Cortex-A53 |
| Memory | 2 GB RAM, 16 GB storage, microSD up to 128 GB |
| PTT platform | PeakPTT K2 |
| On-radio map | Shows the location of all radios that are talking |
| Screen | 4-inch HD IPS touchscreen, 1136 × 640; 5-point touch that works with gloves and wet fingersSources differ |
|---|---|
| Battery | 5,000 mAh Li-polymer, removableSources differ |
| Charging | USB-C 2.0 |
| Water and dust rating | IP68: 3 feet of water for 30 minutes, dustproofSources differ |
|---|---|
| Military standard | MIL-STD-810G |
| Drop | Over 5 feet |
| Operating temperature | −13 °F to 140 °F (−25 °C to 60 °C) |
| Weight | 282 g |
| Size | 144 × 66 × 24.1 mm (height × width × depth, without antenna) |
| Speaker | 2 W |
|---|---|
| Microphones | Two, with noise cancellation |
| Bluetooth | 4.2 with BLE |
|---|---|
| Satellite positioning | GPS, GLONASS, BeiDou, A-GPS |
| SOS key | Orange key on top; hold until a tone to send the alert |
|---|---|
| Side keys | PTT key and volume keys on the left side; PTT user status key on the right side |
| Accessory port | Remote speaker microphone and accessory port on the right side |
| Cameras | Front camera; rear camera with flash |
| Service price | $24.95 a month per radio with 60-second GPS tracking, month to month, plus $19.95 activation (October 2026) |
|---|---|
| Warranty | Lifetime hardware warranty while the service plan is active |
Where sources disagree
- Water and dust ratingIP68 · IP67 (comparison page)
- Battery5,000 mAh · 3,600 mAh (comparison page)
- Screen1136 × 640 · 1136 × 460
- Wi-Fi802.11 a/b/g/n · 802.11 a/b/g/n/ac
Questions
Does the PeakPTT PTT-624G have a touchscreen?
Yes. It has a 4-inch HD touchscreen with 5-point touch that works with gloves and wet fingers, plus three keys under the screen.
Is the PTT-624G waterproof?
PeakPTT rates it IP68: it survives 3 feet of water for 30 minutes and is dustproof. It is also drop-tested past 5 feet and meets MIL-STD-810G.
What Android version does the PTT-624G run?
Android 10, which PeakPTT calls secured, on a quad-core Cortex-A53 processor with 2 GB of RAM and 16 GB of storage.
Does the PTT-624G work over Wi-Fi?
Yes. It talks over LTE or Wi-Fi on 2.4 and 5 GHz, so it keeps working on a Wi-Fi network where there is no cellular signal.
How much does the PTT-624G cost to run?
The radio is $389. Service is $24.95 a month per radio, month to month, plus a one-time $19.95 activation, as of October 2026.
