// https://ajax.systems/products/multitransmitter/ Number of alarm/tamper zones: 18 Supported detector contact types: NO, NC (without R), EOL (NC with R), EOL (NO with R) Resistance of the EOL resistor: 1 kΩ to 7.5 kΩ Alarm signals processing mode: Pulsed or bistable Main power supply: 110–255 V, 50/60 Hz Backup power: 12 V DC Supported battery type: Battery with 4 or 7 A⋅h capacity (not included), dimensions 150 × 64 × 94 mm Detector power supply: 12 V DC, up to 1 A for all detector power supply outputs Protection against dismantling: Tamper Radio signal frequency band: 868.0–868.6 MHz or 868.7–869.2 MHz, depending on the sales region Compatibility: Operates with all Ajax hubs, and range extenders Maximum radio signal power: Up to 7.29 mW (25 mW limit) Radio signal range: Up to 2,000 m in the line of sight Operating temperature range: From -10°С to +40°С Operating humidity: Up to 75% Dimensions: 196 × 238 × 100 mm Weight: 805 g