PNH-201
Button within the person’s reach: large, with a tactile flap, easy to use even with some impairment of the hand. The model used in the installation, still in the range.
Quantity: 1
Completed projectCare and healthHome care
A patient who cannot get out of bed calls the carer on a pager
A simple call set: a button or a wrist transmitter for the person who is ill and a pager for the carer. The range of the set with the button — 400 m in open terrain — is enough for use within a single-family house.
- 400 mbutton, open terrain
- 200 mwrist transmitter, open terrain
- 0control units and cables
01 / Investment context
What problem had to be solved?
A bedridden person spends much of the day alone in their room while the carer looks after the house. The carer cannot sit by the bed all day — and the person who is ill cannot always call loudly enough to be heard in another part of the house or behind closed doors.
A phone does not solve this: it has to be within reach, unlocked and a number dialled, which can be too much for a weak or impaired hand. What is needed is one clear press, after which the carer knows at once that they are being called — in whatever part of the house they happen to be.
The investor’s goal: The person who is ill should be able to signal with one press that they need help, and the carer should know at once — whatever they are doing in the house.
What was designed?
The person who is ill has a button within reach (PNH-201) — large, with a tactile flap, easy to use even with some impairment of the hand. The alternative is an SOS transmitter worn on the wrist like a watch (PUK-121), which is always with the user.
The signal goes straight to the carer’s pager — no control unit, no installation. The installation used an OBI-3SH pager, which signalled the call with a sound and a message on its display. Today its successor is the OBI-4SH with an OLED display, charged by USB or wirelessly (Qi). All it takes is storing the transmitter in the pager’s memory.
The open-terrain range is up to 400 m with the button and up to 200 m with the wrist transmitter. Inside the house, walls and floors shorten it, so it is worth testing from the places where the carer spends time. If the transmitter must always be with the person and the wrist transmitter’s range is not enough, the alternative is a pendant transmitter (SPR-P41) — up to 800 m in open terrain with today’s pager.
02 / Operating principle
From signal to action.
The person’s transmitter sends the call straight to the carer’s pager — no control unit, no installation.
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01 / Signal source
PNH-201 Button with a flap you can feelOne press calls the carer; the alternative is the PUK-121 wrist transmitter.
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02 / Transmission
Radio signal Straight to the pagerUp to 400 m with the button, up to 200 m with the wrist transmitter, in open terrain.
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03 / Notification
OBI-4SH Carer’s pagerReceives the call and shows it on the OLED display.
The carer knows at once that they are being called. The carer keeps the pager on them; the transmitter only has to be stored in its memory, with no control unit and no cables.
A simplified functional diagram.
03 / Installation components
The installation’s devices and their equivalents today
The models used in the project, with their equivalents in the current range.
PUK-121
SOS transmitter worn on the wrist like a watch, 17 g — the option named in the installation for a person who should always have the transmitter on them. Range up to 200 m in open terrain.
Quantity: instead of PNH-201
OBI-4SH
Carer’s pager — the successor of the OBI-3SH model used in the installation: receives the call and shows it on the OLED display. Charged by USB or wirelessly (Qi).
Quantity: 1
SPR-P41
Alternative to the wrist transmitter: a pendant worn round the neck; with the OBI-4SH pager the range is up to 800 m in open terrain.
Quantity: optional
Catalogue figures describe a device under stated conditions, usually in open terrain, and are not a guaranteed range in every installation. Device quantities in the examples are indicative.
04 / Value for the investor
What does this solution give you?
No installation
The transmitter and pager work as soon as they are paired — no cables are laid and no control unit is installed in the house.
The carer can get on with the house
The carer keeps the pager on them, so they can get on with the house in other rooms without losing contact with the person who is ill.
Easy for the person in care
A large button with a tactile flap or a transmitter on the wrist — one press, without a phone, numbers or unlocking a screen.
05 / Before installation
What needs to be settled for a similar investment?
Before devices are chosen, what matters is the site’s conditions and how the system ties into the final installation.
Requirements to verify
- The 400 m range applies to the button and 200 m to the wrist transmitter — both in open terrain. Inside, walls and floors shorten the range; it is tested from the farthest places where the carer spends time.
- This is a simple call set within the home: it is not a telecare service or a medical device and does not alert the emergency services.
- A fixed place and time for charging the pager — a flat pager will not receive a call.
- Replacing the transmitter battery on a fixed schedule, before a weakening battery shortens the range.
- The number of carers — everyone who is to receive calls needs their own pager.
Source: an archived GORKE description of the installation. For a new investment we choose current models.
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