RAD-020 - Intercom Steren - Free user manual and instructions
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| Product Type | Wireless Intercom System |
| Brand | Steren |
| Model | RAD-020 |
| Communication Type | Two-way full-duplex audio |
| Wireless Range | Up to 300 meters in open areas |
| Frequency Band | 2.4 GHz (license-free) |
| Number of Units | 2 included stations |
| Power Supply | 120V AC adapter (output 9V DC) |
| Backup Battery | 4 x AA batteries per unit (not included) |
| Volume Control | Adjustable on each unit |
| Channel Selection | Multiple selectable channels |
| Call Function | Voice-activated or push-to-talk |
| LED Indicators | Power and transmission status |
| Mounting Options | Tabletop or wall-mounted |
| Dimensions (each unit) | 10 x 8 x 4 cm |
| Weight (each unit) | 180 g approximately |
| Operating Temperature | 0°C to 40°C |
| Maintenance and Cleaning | Wipe with a soft, dry cloth |
| Safety Precautions | Indoor use only; avoid exposure to water |
| Spare Parts and Repairability | Replacement adapter and batteries; service by qualified technician |
| Warranty | Limited 1-year warranty by Steren |
Frequently Asked Questions - RAD-020 Steren
How do I set up my Steren RAD-020 intercom?
Place both units near an electrical outlet for initial setup. Connect the AC adapter to each unit and insert batteries for backup. Turn on the power switch, then select the same channel on both units. Press the call button to test communication. For wall mounting, use the built-in keyhole slots and appropriate screws.
What is the wireless range of the RAD-020?
The wireless range can reach up to 300 meters in open areas with a clear line of sight. Indoor range may be reduced due to walls and obstacles. Thick concrete or metal structures can significantly affect performance. To maximize range, keep units elevated and away from large metal objects.
How can I change the channel to avoid interference?
Each unit has a channel selector switch. Adjust both units to the same channel. If you experience interference from other wireless devices, try switching to a different channel. Ensure both units are set to the identical channel number for proper communication.
Does the intercom have battery backup?
Yes, the RAD-020 can operate on 4 AA batteries (not included) per unit as a backup. If the AC adapter fails or during a power outage, the intercom will automatically switch to battery power. Battery life depends on usage and battery quality.
How do I clean and maintain the intercom?
Clean the exterior with a soft, dry cloth. Do not use water, solvents, or abrasive cleaners. Keep the speaker and microphone openings free of dust for best audio quality. Periodically check the AC adapter and cables for damage. Remove batteries if the device will not be used for a long time.
Can I expand the system with more units?
The RAD-020 is designed for two-station communication. Each unit can only communicate with one companion unit at a time. For expansion to multiple stations or more advanced intercom systems, consider other Steren models that support multiple units.
What should I do if there is no sound between the units?
First, check that both units are powered on and set to the same channel. Verify the volume is turned up. Ensure there are no obstructions or excessive distance. If using batteries, ensure they are installed correctly and have charge. If the problem persists, try resetting the units by turning them off and on. Contact Steren support if the issue continues.
How do I install the intercom on a wall?
Use the keyhole slots on the back of the unit. Mark the wall positions, install screws or anchors (not included) leaving the head protruding slightly, then slide the unit onto them. Ensure the mounting surface is solid and the unit is level. Avoid mounting near heat sources or in damp areas.
Is the intercom suitable for outdoor use?
No, the RAD-020 is designed for indoor use only. Exposing it to rain, moisture, or extreme temperatures can damage the electronics and void the warranty. For outdoor intercom needs, look for weatherproof models specifically rated for outdoor installation.
What does the warranty cover?
Steren provides a limited 1-year warranty against defects in materials and workmanship. The warranty covers repair or replacement of the product under normal use. It does not cover damage from misuse, accidents, unauthorized repairs, or use of non-approved accessories. Keep your receipt for warranty verification.
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USER MANUAL RAD-020 Steren
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Product information
Brand : Steren
Model : RAD-020
Category : Intercom