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The JD-3221RN wired intercom from Spreest is a practical solution for access control to your property.
It enables two-way voice communication with the person at the entrance and remote opening of the gate and driveway gate, depending on how the system is connected.
The wired system ensures stable operation, and the hands-free indoor unit allows for convenient conversation without using a handset.
The intercom is suitable for a single-family home, property entrance, pedestrian gate, or driveway gate.
Key Features
1. IP44 Waterproofing – The intercom is resistant to rain and splashing water, making it ideal for outdoor use.
2. Two-way Voice Communication – Talk to the person at the entrance in real-time - you hear the guest, and they hear you.
3. Gate Control – The device has a button for opening the pedestrian gate and an additional button for operating the driveway gate or a second entrance, depending on the installation.
4. Hands-free Indoor Unit – Convenient operation without a handset. Simply press the talk button to start communication.
5. Volume Control – The ability to adjust call volume and ringtone volume allows you to adapt the device to ambient conditions.
6. Surface Mounting – The outdoor unit is surface-mounted, which simplifies installation and reduces the need for wall modifications.
7. 12 V Power Supply – Standard and safe power supply voltage ensures stable system operation and low energy consumption.
8. Night Illumination – The sleek design and backlit doorbell button make the device look stylish on the facade of any home.
Device Components
- Rain cover
- Microphone
- Backlit doorbell call button
- Speaker
- Microphone
- Talk button
- Pedestrian gate opening button
- Driveway gate opening button
- Speaker
- LED indicator
- Call volume control
- Ringtone volume control
Installation
The JD-3221RN system operates based on a simple wired connection between the indoor unit and the outdoor panel.
For basic installation, a 4-wire connection is sufficient: 1–1 audio, 2–2 ground/GND, 3–3 electric strike opening power supply, and 4–4 outdoor unit power supply. This allows the intercom to enable conversation with the person at the entrance, remote opening of the pedestrian gate, and control of the driveway gate.
- Indoor unit – Used for talking with the guest and operating the pedestrian and driveway gate opening.
- Outdoor unit – Mounted at the property entrance. It is equipped with a call button, microphone, and speaker.
- Driveway Gate – The intercom has a separate output for controlling the driveway gate. Terminals 6/7 on the indoor unit function as a NO contact, i.e., a normally open contact. This is a potential-free output — pressing the gate opening button closes the contacts, which can control gate automation or another device.
- Pedestrian Gate Electric Strike – Can be connected directly to the outdoor unit. The intercom supports 12V DC electric strikes with a current draw of up to 3A.
- 12V DC Power Supply – Powers the intercom system. When using a 12V DC electric strike with a current draw below 3A, the entire system can operate on the power supply included in the kit.
The electric strike is not part of the kit and must be selected separately for the planned installation.
Recommended cables: RVV 4 × 0.2 mm² up to 15 m, RVV 4 × 0.5 mm² up to 50 m, and RVV 2 × 1.0 mm² for connecting the electric strike to the outdoor unit for distances up to 10 m.
Technical Specification
- Waterproof rating: IP44
- Number of melodies: 1, volume adjustable
- Audio: Two-way, microphone + speaker
- Maximum talk time: 120 seconds
- Door opening time: Approximately 3 seconds
- Power supply: DC 12 V, 1-2A (included)
- Power consumption (standby): 1 W
- Power consumption (operation): 8 W
- Volume: 70 dB
- Operating temperature: -10°C to + 50°C
- Humidity: 10% - 90%
- Indoor unit dimensions: 74 x 29 x 134 mm
- Outdoor unit dimensions: 56 x 40 x 136 mm
- Indoor unit weight: 111 g
- Outdoor unit weight: 173 g
Set includes
- 1x Indoor unit
- 1x Outdoor unit
- 1x Rain cover
- 1x Power supply with cables
- 1x Mounting accessories
- 1x User manual
NOTE: The electric strike and its power supply are not part of the set and must be purchased separately.








