Fire & Safety Solutions
Approved Reseller 2021
CALL OUR TEAM NOW 0800 612 6254
Also FREE from UK mobiles
Low Cost Delivery
From £4.79 inc VAT
Secure Online Payments
with our quick & easy checkout
Online Customer Support
Contact Our Team Now
Excellent Feedback - 4.8 / 5 Stars
Radio-Interlinked Battery Powered Optical Smoke Alarm - Ei3105RF
Discontinued Product
This product has been discontinued and is no longer available to buy.
View Alternative Products
Product Overview
Technical Data
FAQs (13)
The Ei3105RF is an entirely wireless, interlinking optical smoke alarm from the Ei3100 series. If one alarm detects smoke, all alarms go off to give maximum warning time
Interlink
- Battery: 9V alkaline battery included
- Warranty: 5 year Warranty
- Wireless, interlinking smoke alarm. No base plate required
-
-
Can interlink with all other EI radio-interlinked alarms (Please note: only the test function of accessories Ei411H and Ei410 will work with this unit)
- Kitemarked to BS EN 14604:2005
- Suitable for installations complying to BS 5839-6: 2019 Grade F2
- CE marked
- Suitable for home or office
- RF range 150 metres (minimum) in free space and up to 30 metres in buildings. Larger buildings can easily be covered, as the units can act as repeaters (daisy-chaining)
- Alarms that can be interlinked include:
- Ei3100RF, Ei3103RFU - Digitally coded to avoid interference with neighbouring systems
- Hush button for false alarm control
- Auto self-test feature continually monitors the sensor every 40 seconds for additional safety
- No central alarm panel needed
- Optional longlife lithium battery upgrade
- Supplied with fixings for ceiling mounting
- Please Note: These alarms are sold as individual units
The table below shows all the units that can interlink with the EI3105RF.
Smoke and Heat Alarms - Radio
|
Model Number
|
Type of Unit
|
Type of Interlink
|
| Ei3014 / Ei3014RF | Mains Powered Heat Alarm - Sealed Lithium | Hardwire or Radio Interlink |
| Ei3016 / Ei3016RF | Mains Powered Optical Smoke Alarm - Sealed Lithium | Hardwire or Radio Interlink |
| Ei3024 / Ei3024RF | Mains Powered Optical & Heat Alarm - Sealed Lithium | Hardwire or Radio Interlink |
| Ei3028 / Ei3028RF | Mains Powered Heat & Carbon Monoxide Alarm - Sealed Lithium | Hardwire or Radio Interlink |
| Ei2110e / Ei2110eRF | Mains Powered Multi Sensor Smoke & Heat Alarm - Sealed Lithium | Hardwire or Radio Interlink |
| Ei161e / Ei161eRF | Mains Powered Ionisation Smoke Alarm - Sealed Lithium | Hardwire or Radio Interlink |
| Ei164e / Ei164eRF | Mains Powered Heat Alarm - Sealed Lithium | Hardwire or Radio Interlink |
| Ei166e / Ei166eRF | Mains Powered Optical Smoke Alarm - Sealed Lithium | Hardwire or Radio Interlink |
| Ei141 / Ei168RC141RC | Mains Powered Ionisation Alarm - 9V Alkaline | Hardwire or Radio Interlink |
| Ei144 / Ei168RC144RC | Mains Powered Heat Alarm - 9V Alkaline | Hardwire or Radio Interlink |
| Ei146 / Ei168RC146RC | Mains Powered Optical Smoke Alarm - 9V Alkaline | Hardwire or Radio Interlink |
| Ei3100RF | Battery Powered Ionisation Smoke Alarm - 9V Alkaline | Radio Interlink |
| Ei3103RF | Battery Powered Heat Alarm - 9V Alkaline | Radio Interlink |
| Ei3105RF | Battery Powered Optical Smoke Alarm - 9V Alkaline | Radio Interlink |
| Ei603RF | Battery Powered Heat Alarm - Sealed Lithium | Radio Interlink |
| Ei650RF | Battery Powered Optical Smoke Alarm - Sealed Lithium | Radio Interlink |
Carbon Monoxide Alarms
|
Model Number
|
Type of unit
|
Type of interlink
|
| Ei3018 / Ei3018RF | Mains Powered Carbon Monoxide Alarm - Sealed Lithium | Hardwire or Radio Interlink |
| Ei3028 / Ei3028RF | Mains Powered Heat & Carbon Monoxide Alarm - Sealed Lithium | Hardwire or Radio Interlink |
| Ei262 | Mains Powered Carbon Monoxide Alarm - Sealed Lithium | Hardwire or Radio Interlink |
| Ei261 | Mains Powered Carbon Monoxide Alarm - Sealed Lithium | Hardwire Interlink |
| Ei208WRF | Battery Powered Carbon Monoxide Detector - Sealed Lithium | Radio Iinterlink |
Ancillary Products
|
Model Number
|
Type of unit
|
Type of interlink
|
| Ei170RF | Mains Powered Strobe and Vibration Pad for the Hearing Impaired - Sealed Lithium | Radio Interlink |
| Ei407 | Battery Powered Manual Call Point - Sealed Lithium | Radio Interlink |
| MCP401RC | Mains Powered Manual Call Point | Hardwire Interlink |
| Ei450 | Battery Powered Fire and CO Alarm Controller - Sealed Lithium | Radio Interlink |
| Ei411H | Battery Powered Locate, Silence & Test Control Switch - Sealed Lithium | Radio Interlink |
| Ei410TRF | Battery Powered Test Remote - Sealed Lithium | Radio Interlink (Ei3100RF Series) |
| Ei1529RC | Mains Powered Locate, Silence & Test Control Switch | Hardwire Interlink |
| Ei159 | Mains Powered Smoke Alarm Locator Switch | Hardware Interlink |
| Ei428 | Mains Powered 5A Relay Module | Radio Interlink |
| Ei128R | Mains Powered 5A Relay Module | Hardwire Interlink |
| Ei128RBU | Mains Powered 5A Relay Module with Lithium Backup Battery | Hardwire Interlink |
| Y03 | Mains Powered Multi Frequency Sounder | Hardwire Interlink (via relay) |
| SAB300C | Mains Powered Flashing Xenon Strobe (Clear) | Hardwire Interlink (via relay) |
| SAB300R | Mains Powered Flashing Xenon Strobe (Red) | Hardwire Interlink (via relay) |
Wiring Explained
Mains powered Ei Electronics smoke and heat alarms require a 230V AC power supply and up to 12 alarms can be hardwire interlinked in one system.
To obtain a mains power supply, each alarm can be connected to the nearest lighting circuit using 2 core and earth cable with a separate, dedicated interlink cable connecting alarms where applicable. However, if possible it is recommended that any alarms connected via interlink cable are all powered from a dedicated circuit from the distribution board using 3 core and earth cable for safety during maintenance, as the interlink cable will carry power from live alarms on other power circuits. Please see the diagram below:-
| Product Code | EI3105RF |
|---|---|
| Alternative Product Codes | Ei3105, Ei3105RF, ei3105f |
| Brand | EI Electronics |
| Battery Type | 9V Alkaline |
| Dimensions (HxWxD) | 140x120x45mm |
| Operating Temperature | 0°C to 40°C |
| Relative Humidity | 15% to 95% |
| Sound Output | 85dB |
| Warranty | 5 Years |
| Weight | 0.22kg |
| Product Datasheets |
Q. Are there any restrictions to the distance a radio-interlinked smoke alarm will work?
A.
Most radio-interlinked alarms have a range of 150 meters in an open space and up to 30 meters in buildings. The thickness of the walls and partitions will affect the travel distance of the signal.
Q. Do the three types of Ei3103 alarms interconnect with each other?
A.
Yes, the Ei3103 range, Ei3100RF - Ionisation Smoke Alarm Ei3105RF - Optical Smoke Alarm Ei3103RFU - Heat Alarm, interconnect with each other. If one sounds it will send a radio-signal to the other units and they will then be activated.
Q. Is the Ei3105RF a complete smoke alarm or does it need a base?
A.
The Ei3100RF series of battery operated smoke alarms are complete alarms, they do not require base plates to make them radio interlinked.
Q. Does the Ei3100 battery operated radio linked series have a hush button? If not how are false alarms dealt with?
A.
There are three different alarms that make up the Ei3100 series. The Ei3100 optical alarm does have a hush button, which can be pressed to reset the alarm should a false alarm occur. The ionisation and heat alarms do not have hush buttons. Should either of these alarms trigger a false alarm, due to cooking fumes for example, the alarm can be silenced using a folded newspaper to fan underneath it. To identify which alarm has triggered the false alarm it is the unit with a rapidly flashing red LED.
Q. Do batteries in radio-interlinked alarms expire quicker than those in normal alarms?
A.
Show All Batteries in radio-interlinked alarms do expire quicker than in other smoke alarms. RF smoke alarms are, however, also available with a 10 year sealed long life lithium battery. This battery will last for the 10 year life of the smoke alarm.
Approved Partner
Customer Reviews
22 customers have given this product an overall rating of 4.7 out of 5
Reviews by real customers
All of our product reviews are written by real customers that have purchased this product from us and are published without modification.Rating: 5 / 5 Stars
Reviewed by: M R
Works fine, but secure syncing with other units tricky to verify. Works fine, but the yellow LED that flashes to confirm radio sync is too quick, and with 12 units connected, it's almost impossible to confirm you are secure with the other alarms - although this is just a security gizmo - all alarms will sound if in radio range of each other. Slow down the flash rate please EI, with a long pause between the count. Better still, a bi-colour LED to indicate the count start ...
Published on: 1st July 2019
Rating: 4 / 5 Stars
Reviewed by: R B
Good product from a trusted company I have used these smoke alarms before and only replaced them due to age.
Published on: 14th July 2018
Rating: 5 / 5 Stars
Reviewed by: S D
Product works as intended, easy to install, fast delivery
Published on: 27th April 2018
Rating: 3 / 5 Stars
Reviewed by: G W
Does what it is supposed too.
Published on: 19th April 2018
Rating: 5 / 5 Stars
Reviewed by: M L
Excellent
Published on: 21st February 2018
Rating: 5 / 5 Stars
Reviewed by: J P
Good quality, and in our weekly tests so far no failures yet
Published on: 2nd December 2017
Rating: 5 / 5 Stars
Reviewed by: P M
Quick delivery, well packaged
Published on: 13th November 2017
Rating: 5 / 5 Stars
Reviewed by: T H
Radio Interlinked is it's best selling point works out of the box
Published on: 25th August 2017
Rating: 4 / 5 Stars
Reviewed by: R H
Easy to install and works perfectly
Published on: 6th May 2017
Rating: 5 / 5 Stars
Reviewed by: M S
As described after advice over the phone.
Published on: 2nd October 2016
Related Products
Ei170RF Radio-Interlinked Strobe and Vibration Pad for the Deaf & Hearing Impaired
2 Customer Reviews£197.24 inc VAT
£164.37 ex VAT
Looking for more information?
If you have any questions or would like more information about this product you can ask one of our specialists.
Direct Telephone
01507 464181