The AJAX MultiTransmitter Jeweller is a versatile integration module that connects up to 18 third-party wired devices to the Ajax security system. It offers secure, encrypted communication and is ideal for integrating existing wired sensors into a smart security setup.
Power & Battery
• Main Power Supply: 100–240 V~ (AC)
• Backup Battery: 12 V⎓ (up to 7 Ah capacity, sold separately)
• Average Consumption: 14.6 mA (nominal), 69.6 mA (maximum)
• Backup Battery Runtime: Up to 30 hours with a 7 Ah battery under optimal conditions
• Low Battery Voltage: 11.4 V⎓
• End-of-Life Battery Voltage: 11.1 V⎓
📡 Communication
• Protocol: Jeweller (encrypted two-way communication)
• Frequency Bands: 866.0–869.2 MHz, 905.0–926.5 MHz, 915.85–926.5 MHz, 921.0–922.0 MHz (region-dependent)
• Radio Range: Up to 2,000 m in open space
• Modulation: GFSK
• Frequency Hopping: Yes, to prevent interference
🔌 Wired Devices Connection
• Number of Zones: 18
• Connection Types: NC, NO, EOL, 2EOL, 3EOL (depending on firmware version)
• EOL Resistance: 1 kΩ to 15 kΩ (up to 30 kΩ total)
• Cable Length: Up to 400 m (using U/UTP cat.5 twisted pair)
• Operation Modes: Pulse, bistable
• Event Types: 15 (including intrusion, fire, gas alarm, panic, leakage, etc.)
🛡️ Security Features
• Tamper Protection: Two tampers (lid opening and wall detachment)
• Communication Loss Detection: Within 36 seconds
• Instant Detection of Wired Connection Loss: Yes, with EOL/2EOL/3EOL connections
📐 Physical & Environmental
• Dimensions: 192 × 238 × 100 mm
• Weight: 1.4 kg (white), 1.3 kg (black)
• Operating Temperature: –10°C to +40°C
• Humidity: Up to 75%
• Protection Class: IP40, IK06
📦 Package Includes
• MultiTransmitter Jeweller module
• Casing
• Power cable
• 12 V battery connection cable
• Screw terminal block adapter (for INCERT compliance)
• Installation kit
• Quick start guide