Wireless door & window protection

Door Window Sensor G2

Know when it opens.
Know when it tilts.

Opening and tilt detection for indoor doors, windows and skylights. Bring more of your property's entry points into your Roombanker security system.

Find your G2 solution Explore the features

Indoor useRBF wirelessRoombanker Hub required

Front view of the Roombanker Door Window Sensor G2 body and matching magnet

Wireless range

Up to 1,400 m

Open space, with the Hub

Battery life

Up to 5 years

Calculated in standby mode

Tilt threshold

5°–25°

Five selectable angle settings

Regional models

868 / 915 MHz

Choose the version for your region

Protect the points of entry

Every opening deserves
your attention.

G2 uses two reed switches to detect opening events. When armed, the sensor reports an alarm to the Hub—bringing indoor doors, windows and skylights into your security system.

Doors

Make opening detection part of your indoor entry-point protection.

Windows

Monitor opening events, with adjustable tilt detection for additional awareness.

Skylights

Include overhead openings in your indoor security planning.

Rear tamper protection adds device supervision. Opening alarms depend on your arming settings and the sensor's connection to the Hub.

Five configurable thresholds

Tilt-detection illustration

Beyond opening detection

A different angle
on window protection.

Choose the tilt angle that triggers an alarm when the system is armed. Set a reporting delay so the sensor reports after the tilt remains beyond your selected threshold.

5°10°15°20°25°

Selectable angle threshold: 5°–25°In 5° steps · default 5°
Configurable reporting delay: 1–60 secDefault 2 seconds

Configure tilt settings in RB Link. The highlighted 15° is an example setting.

More ways to connect

Bring additional contacts into your alarm system.

G2 supports external contact and roller shutter inputs, giving installers more options for the openings in a project.

External contact input

Connect an external detector using the supplied terminal. A triggered external contact can raise an alarm when the system is armed.

External contact modeConnection terminal included

Roller shutter input

Configure the reporting time and impulse count for a connected roller shutter contact in RB Link.

5–30 sec, in 5 sec steps2–7 impulses

External contactSensor G2Roombanker Hub

Confirm the external device's electrical compatibility and wiring before installation.

Wireless by design

Built to connect.
Designed for less battery upkeep.

RBF communication and a replaceable battery make G2 a practical part of your Roombanker security system.

Up to

1,400 m

Two-way RBF communication

Wireless communication with the Hub in open space. Choose an 868 MHz or 915 MHz model for your sales region.

Up to

5 years

One replaceable CR123A battery

Calculated battery life in standby mode. Low-battery notifications in RB Link help you plan a replacement.

1,400 m is an open-space range, not an indoor coverage guarantee. Battery life varies with use and operating conditions.

Part of the Roombanker ecosystem

Works with Roombanker Home Security Hubs and RBF repeaters.

Explore Roombanker Hubs

Official RB Link G2 device-status example showing arming, alarm, lid, signal, connection and battery information — Official RB Link screen · example device status

RB Link app

Your sensor's status.
All in one place.

Check the device, organise it by room and manage its settings from RB Link through your connected Hub.

See the state of your device
Review arming, alarm and lid status, along with signal strength, connection and battery level.
Give every sensor a place
Name your device, assign it to a room and choose whether to show it on the app homepage.
Find the right sensor
Activate Find Me to flash the device's green indicator—helpful when identifying one sensor among several.
Keep firmware up to date
Download and install available firmware updates through the app when the Hub is connected to the internet.

Get connected with RB Link

Add. Assign. Check the signal.

Follow the guided pairing process, then check the connection at your intended installation position.

Start in the app

Open your Home Security Hub in RB Link. Tap “+” and select “Add peripheral”.

Power up and assign

Pull out the battery insulation strip. When the sensor appears in the app, assign a room and tap “Done”.

Test the signal

Run Signal Strength Test in device settings. Check the app feedback and the sensor's indicator before mounting.

StrongMediumPoor / none

If the sensor does not appear and its green indicator is off, hold the register button for 5 seconds and try again. Choose another location if the signal test shows red.

Open the quick start guide

Choose with confidence

The details for your project.

Key technical specifications for Door Window Sensor G2.

Detection & integration

Opening detection	2 reed switches
Tilt threshold	5° / 10° / 15° / 20° / 25°Default: 5°
Tilt reporting delay	1–60 secondsDefault: 2 seconds
External input modes	External contact / roller shutter
Tamper protection	Rear
Compatibility	Roombanker Home Security Hubs and RBF repeaters

Wireless & power

Communication	Two-way RBF wireless
Frequency bands	863–870 MHz / 902–928 MHzDepends on regional model
Wireless range	Up to 1,400 mOpen space, with Hub
Battery	1 × CR123A
Calculated battery life	Up to 5 yearsStandby mode
Operating voltage	2.5–3.3 VNominal: 3 V

Physical & environment

Application	Indoor
Body dimensions	90 × 21 × 21 mm
Weight	71 g
Operating temperature	−10°C to +55°C14°F to 131°F
Operating humidity	Up to 90%
Storage temperature	−20°C to +60°C−4°F to 140°F

Select the frequency version for your region and compatible system. Wireless range is specified for open space; actual range depends on the installation environment. Battery life is calculated for standby operation.

Included in the package

1 sensor · 1 magnet · 4 mounting screws · 4 wall plugs · 2 adhesive tapes · 1 external-detector terminal · 1 quick start guide

Product resources

Official documentation for planning, setup and daily use.

SpecificationsFull product reference · online Quick start guidePairing and signal checks · online G2 user manualSection 4.19 · online

Before you choose

A few things worth knowing.

Answers to common questions about system requirements, settings and use.

Does Door Window Sensor G2 need a Hub?

Yes. G2 communicates with a Roombanker Home Security Hub over RBF wireless. Use the Hub and RB Link app to add the sensor and manage its settings. It is compatible with Roombanker Home Security Hubs and RBF repeaters.

Can I use G2 outdoors?

G2 is specified for indoor use. Plan installations on the indoor side of doors, windows or skylights within the stated operating temperature and humidity limits.

How can I adjust tilt detection?

In RB Link, choose a threshold of 5°, 10°, 15°, 20° or 25°. The tilt reporting delay can be set from 1 to 60 seconds. Defaults are 5° and 2 seconds. When armed, the sensor reports after the tilt remains beyond the configured threshold for the selected delay.

What battery does G2 use, and how long does it last?

G2 uses one replaceable CR123A battery. The calculated battery life is up to 5 years in standby mode; actual life varies with use and conditions. RB Link displays the battery level and notifies you when it is low.

Can G2 connect to an external contact or roller shutter?

Yes. G2 supports external contact and roller shutter input modes. Roller shutter settings include a reporting time of 5 to 30 seconds in 5-second steps and an impulse count of 2 to 7. Confirm the external device’s electrical compatibility and wiring before installation.

Plan your next installation