What does PoC mean in radio?
In radio and wireless communications, PoC most commonly means Push-to-Talk over Cellular.
PoC (Push-to-Talk over Cellular)
PoC allows users to communicate in a walkie-talkie style using cellular data networks (3G/4G/LTE/5G) instead of traditional two-way radio frequencies.
How it works
- Press a button → speak → voice is sent over the mobile data network
- One-to-one or one-to-many (group call)
- Uses SIM cards and backend PoC servers/platforms
Key features
- 📶 Nationwide or global coverage (as long as cellular data is available)
- 👥 Large group calling (hundreds or thousands of users)
- 🔊 Low latency voice communication
- 📍 GPS tracking, dispatch console, call recording (platform-dependent)
- 🔁 Can integrate with DMR, analog, or trunking systems via gateways
PoC vs Traditional Two-Way Radio
| Feature | PoC | Traditional Radio |
|---|---|---|
| Network | Cellular (LTE/5G) | VHF/UHF |
| Coverage | Nationwide / Global | Limited by RF range |
| License | No radio license | Often required |
| Infrastructure | SIM + server | Repeaters/base stations |
| Reliability | Depends on cellular network | Works without cellular |
Other less common meanings of PoC in radio
Depending on context, PoC may also mean:
- Proof of Concept – testing a radio system or technology
- Point of Contact – operational or project communication context
When PoC radios are used
- Security & patrol
- Logistics & transportation
- Construction
- Utilities & energy
- Emergency coordination (non-mission-critical)
