Last reviewed October 2026. This guide is general information, not medical or care advice.
Build the response before the button
An emergency button is only one link in the chain. The response starts when someone answers, understands the situation, and knows what to do next. Test that chain before you rely on the button.
The connection method determines whether the button still works in a power cut or a mobile dead spot. Ask for the failure mode, not just the coverage claim.
Write down the first contact, the backup contact, and the circumstances that should trigger an emergency call. Give a copy to the monitoring centre or nominated contacts and review it after any change in health or housing.
- Confirm who answers first and who answers if that person is unavailable.
- Check how the device connects at the exact address.
- Ask what happens when the wearer cannot speak.
- Test the escalation path, not only the device.
- Review access instructions and key-holder details.
Why landlines are no longer the default
Many households no longer have a traditional landline, and some phone networks are moving to digital services. That has made mobile and broadband alarms more common. A no-landline alarm can be easier to install because there is no phone socket to connect, but it still needs a reliable connection.
The right choice depends on the address. A mobile alarm may work well where signal is strong, while a broadband-connected base unit may be better inside a building with poor mobile coverage. Check the specific technology rather than assuming that 'wireless' means the same thing for every product.
A response-first approach treats the alarm as the start of a process, not the end of the purchase. The useful questions are who receives the alert, what information they have, and how they escalate when the first contact does not answer.
Mobile alarms: coverage is the main variable
A mobile alarm uses a SIM and a mobile network. Signal strength can differ between networks and between rooms. Thick walls, basements, and rural locations can weaken coverage. Ask the provider which network the device uses and whether it can roam between networks.
Test the device in the rooms where the person spends time, including the bathroom and bedroom, and in the garden if it will be worn outside. A device that works in the kitchen may not work in a basement. If signal is marginal, ask about an external antenna or a different model.
When alerts go to family rather than a monitoring centre, the plan depends on availability. Agree on primary and backup responders, and make sure everyone knows what to do if the call arrives at an inconvenient moment. A written rota is more reliable than an assumption.
- Check the network used by the device, not just 'mobile'.
- Test the actual device at the address before relying on it.
- Ask what happens when the signal drops during an alarm call.
- Confirm whether the device has a backup battery.
Broadband alarms: power and router dependence
A broadband alarm connects through the home internet service. It may use a base unit with a backup battery, or it may rely on the router and mains power. If the power or internet goes down, the alarm may lose its connection unless the provider has a backup path.
Ask how the system behaves during a power cut, a router reboot, or a broadband outage. Check whether the base unit has a battery and how long it lasts. If the household has a history of unreliable internet, a mobile alarm may be more appropriate.
The fastest device is not always the one with the most features. A single well-placed button with a clear response chain can outperform a complex system that nobody has tested. Focus on the path from alert to help.
Installation and daily use
A no-landline alarm still needs to be set up correctly. The base unit may need a power socket, a router connection, or a specific location for signal. The pendant or watch needs charging. The person using it needs to understand what the lights and spoken prompts mean.
Keep the instructions in a visible place and write down the provider's support number. If the person has memory concerns, a simpler device with fewer buttons may be easier to use. Ask the provider whether the alarm speaks its status aloud and whether it can be tested remotely.
Test the alarm in the rooms where an emergency is most likely: the bathroom, the bedroom, the kitchen, and any stairs. Ask the responder what they heard and whether they could identify the location. That is the part of the system most likely to fail silently.
Questions to ask before ordering
Ask for the total first-year cost, including the device, activation, monitoring, and any connection fee. Confirm the contract length, the cancellation terms, and whether the price can change. Ask what happens if the device cannot connect and who is responsible for fixing it.
Check the returns policy and the warranty. If the alarm is being bought for someone else, make sure the person who will use it is involved in the choice and understands the monthly commitment.
- Does the alarm use mobile, broadband, or both?
- What is the backup battery life during a power cut?
- Can the provider test the connection remotely?
- What happens if the alarm cannot connect at the address?
- Is there a cooling-off period and a clear returns process?
Questions people ask
Do all personal alarms need a landline?
No. Many use a mobile network or broadband. Some models still use a traditional phone line, so check the specification for the exact product.
What happens to a no-landline alarm in a power cut?
It depends on the device. A mobile alarm with a charged battery may continue to work. A broadband base unit may stop if it has no battery backup. Ask the provider about power-cut behaviour.
Is a mobile alarm as reliable as a landline alarm?
Reliability depends on coverage and the specific device. A mobile alarm can work well with strong signal, but it is not automatically more reliable. Test it at the address.
Can I use a no-landline alarm in a rural area?
Possibly, but coverage is the key question. Check the network and test the device in the places the person will use it. A broadband alarm may be an alternative if mobile signal is weak.
Sources and further reading
These sources were used to check the general guidance in this guide. They do not imply endorsement of any product.