How the EZF F68 Works

The EZF F68 brings familiar push-to-talk operation to supported cellular networks. Press and hold the PTT button to speak to a selected group or person, then release the button so another user can respond.

Push-to-Talk, carried over cellular

The EZF F68 is a 4G LTE Push-to-Talk over Cellular (PoC) radio. A traditional two-way radio sends voice directly over radio frequencies or through a repeater. The F68 uses supported cellular service to carry PTT voice between connected devices.

Because the F68 does not depend on a direct radio path between users, two devices can communicate over long distances when supported cellular coverage and available service are present where each device is being used. Communication is not available in every location. Network availability and network conditions can affect performance.

Built-in EZF-provided SIM

The F68 includes an EZF-provided SIM that enables eligible radio service. You do not need to shop for a separate consumer SIM for the included service. Lifetime Service Included means there is no monthly or annual recurring service fee for the included radio service. Eligibility, replacement, and network-change details are explained in Coverage & Service and the Terms of Service.

Before the first transmission, power on the radios and confirm that each device has eligible service and supported cellular coverage where it is being used.

What happens when you press PTT?

  • 1. Choose who should receive the message
    Select the intended group or individual contact.
  • 2. Press and hold the PTT button
    Speak while holding the button. The F68 sends your voice through its supported cellular connection.
  • 3. The selected recipient hears the message
    The transmission reaches the intended group or person on a connected F68 or through the mobile app where supported.
  • 4. Release the button to listen
    Push-to-Talk communication is typically one speaker at a time. After you release PTT, another user can press and respond.

F68 PoC and traditional two-way radio

Both systems use the same basic interaction: press to speak and release to listen. The main difference is how the voice travels between users.

Traditional two-way radio

Voice travels directly between compatible radios over radio frequencies, or through a repeater. Usable range can change with distance, terrain, buildings, antenna conditions, power, and repeater access. A cellular connection is not required when compatible radios are correctly configured and remain within usable radio range.

EZF F68 Push-to-Talk over Cellular

Voice travels through supported 4G LTE cellular service. Users do not have to remain within direct radio-to-radio range of one another. Each participating device still needs supported cellular coverage and available service at its own location, and network conditions can affect communication.

Neither approach is the right fit for every environment. Traditional radio can suit locations with usable radio coverage but no cellular service. The F68 is designed for teams that want familiar PTT communication across locations served by supported cellular networks.

Ways to communicate with the F68

Group communication

A group transmission sends one PTT message to the intended team or group. It is useful when several connected users need to hear the same update at the same time.

Private communication

A private transmission is directed to an individual user or device where supported by the system. It gives the sender a direct path when the whole group does not need the message.

Mobile app connectivity

The mobile app can support group and private communication and allow a phone to participate with radios in the communication ecosystem where supported. Available functions and compatibility should be confirmed for the intended device and setup.

Bluetooth headset support

The F68 supports compatible Bluetooth headsets for hands-free use where supported. Headset compatibility can vary, so confirm the intended headset before relying on it for a particular workflow.

Frequently asked questions

What is Push-to-Talk over Cellular?

Push-to-Talk over Cellular, or PoC, carries PTT voice through supported cellular service. It keeps the familiar press-to-speak interaction while allowing connected users to communicate without remaining inside direct radio-to-radio range.

Do I need to buy a SIM card?

No separate consumer SIM is needed for the included radio service. The F68 comes with an EZF-provided SIM. Service eligibility and replacement rules are covered on the Coverage & Service page and in the Terms of Service.

Can I make group and private calls?

Yes. Group communication sends a PTT message to the intended team or group. Private communication directs the message to an individual user or device where supported by the system.

What does the mobile app do?

The mobile app can support group and private communication and let a phone participate with radios where supported. Confirm compatibility and available functions for the intended device and setup.

Can I use a Bluetooth headset?

The F68 supports compatible Bluetooth headsets for hands-free use where supported. Compatibility can vary by headset.

Does the F68 communicate without cellular coverage?

The F68 uses supported cellular service for PoC communication. Each participating device needs supported cellular coverage and available service where it is being used. If either location lacks a usable supported connection, communication may be unavailable or affected.