UR-101 Handheld Controlled allows remote activation and control of S4GA airfield lights. It is connected with the lights via S4GA Mesh wireless network. With S4GA Handheld Controller, airport personnel can activate up to 5 groups of light, change lights intensity in each group (3-step), activate NVG mode (night vision goggles, infrared) or dusk till dawn mode (SS-SR).
| Control | On / Off Button | Yes |
| Light intensity | Minimum 10% | |
| Medium 30% | ||
| Maximum 100% | ||
| Special operating mode | Night Vision Goggles (NVG) | |
| Dusk till Dawn (DTD, SS-SR) | ||
| Grouping of Lights | Yes: maximum 5 groups | |
| Communication Between Controller and the Lights | Type | S4GA Mesh wireless network |
| Operating Range | Up to 1.500 m, relayed (each light is a repeater) | |
| Radio transceiver (frequency/power output) | 868 MHz, (optional 2.4 GHz or 433 MHz), 16 mW | |
| Power Source | Battery | Lithium-ion type, 5.2Ah, 3.7V |
| Operating time | 48 hours | |
| Charging | Charger (110-230VAC) | |
| Casing | Material | Powder-coated steel |
| Internally illuminated buttons | Yes | |
| Temperature range | -20 to 50 ºC (-4 to 122 ºF) | |
| Color | Black | |
| Compliance | CE Compliance | 2014/53/EU Radio Equipment Directive |
| 2011/65/EU and 2015/863 RoHS Directive |
