Wireless technology at its best: range, interference & compatibility – the practical guide
Does your gate only open "at the very last moment," is your remote control malfunctioning, or are different radio systems incompatible? Here you'll find clear steps – from a 90-second check to the right solution with tested components.
1️⃣ Go directly to the solutions
2️⃣ 90-second rapid test
- Is the battery fresh? Replace the CR2032/23A battery and check the LED.
- Distance test: 1 m → 5 m → 15 m in front of the goal. Does the range drop abruptly? Interference is likely.
- Receiver position: Metal/concrete shielding? Mount antenna vertically/higher.
- Check frequency/protocol: 433 MHz vs. 868 MHz; Rolling-Code/BiSecur/bi·linked/SOMloq2 must not be mixed.
Note: With Hörmann, the button color of the old hand transmitter indicates the frequency (e.g., blue = 868 MHz). Source: FAQ in the hand transmitter category.
Error source #1: incorrect protocol3️⃣ Why range suffers – typical sources of interference
- Shielding: reinforced concrete, metal gates, underground parking garage entrances.
- Jammers: cheap LED power supplies, weather stations, radio sensors in the 868 band.
- Installation: Antenna “lies” or is inserted in the metal box → field shrinks.
- Protocol mix: 868 MHz ≠ 868 MHz: SOMloq2, BiSecur, Multi-Bit, bi·linked are worlds apart.
4️⃣ From a simple fix to a pro upgrade
| problem | Quick solution | Upgrade (recommended) | Direct link |
|---|---|---|---|
| Range < 10 m | New battery, check receiver/antenna position | Mount an external 868 MHz antenna | To the antenna |
| Foreign product / "does not communicate" | Use potential-free input on the drive | Retrofit universal 868 MHz receiver or brand-name receiver | Universal receiver · SOMcom2 |
| Many users / Hall door | Train duplicates & keep the log centrally | Receiver with more memory & bidirectional system | Recipient overview |
| Comfort & control via app | Use the contact input of the drive | Smart home controller (local/cloud solutions) | Smart Home |
5️⃣ Compatibility in 60 seconds
Both are EU bands. 868 MHz is usually less noisy and implemented in a more modern way. Important: Frequency alone is not enough – the protocol must be compatible (e.g., SOMloq2, BiSecur, Multi-Bit, bi·linked).
In case of protocol conflicts, an additional receiver is the clean solution. Afterwards, all handheld transmitters use one system – no more mixed operation.
The Hörmann key color indicates the frequency (e.g., blue = 868 MHz). With SOMMER, SOMloq2 (868.95 MHz) is backward compatible with the older Somloq (868.8 MHz).
Are you unsure? A photo of the remote control/type plate + gate type & dimensions is sufficient – we will recommend the appropriate set.
6️⃣ Three real cases & their solutions
7️⃣ Checklist: A stable wireless connection in 15 minutes
- Replace the battery and test the transmitter.
- Mount receiver visibly/high up, antenna vertically.
- Switch off any sources of interference (LED power supplies) for testing purposes.
- Clarify the protocol (handheld transmitter imprint/instructions).
- In case of conflict: retrofit a suitable receiver.
- Optional: Integrate a smart home module via a push-button input.
Free radio check: Photo + 4 details are sufficient
Please send us the gate type, clear width, gate height, drive model, and – if possible – a photo of the receiver/remote control. We will recommend the appropriate set consisting of a remote control, receiver, antenna, or smart home module.
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