16
D-Link DHM-901T User Manual
Appendix A - Technical Specifications
technical Specifications
Appendix A - Technical Specifications
Frequency
315 MHz
operating temperature
-10 to 50 °C (14 to 122 °F), Indoor use
Humidity
5% - 95% RH non-condensing
DHM-401t gateway
Transmission Range: Minimum 70 meters in open
air
Audio: 1 x Buzzer, 1 x Siren
Siren Volume: 85 db
USB: 2 x USB 2.0 compliant ports for compatible
3G dongles, Zigbee dongles, or Z-Wave dongles
Power: External power adapter, 100-120 V
50 / 60 Hz input, 12 V / 2 A output, 6 x AAA battery
for backup power
Backup Battery Life: 50 minutes with alkaline
batteries
LEDs: Status, Alarm, Online, Event
Dimensions: 206 x 133 x 31.5 mm
DHM-301t Keypad
Transmission Range: Minimum 70 meters in free
space
Power: 2 x AAA batteries
Battery Life: 1 year with alkaline batteries
LEDs: Active/Operation, Status, Alarm/Error
Dimensions: 90 x 66 x 21.6 mm
DHM-303t Contact Sensor
Break Distance: >28mm
Make Distance: <18mm
Transmission Range: Minimum 70 metres in free
space
Power: 1 x CR-123A 3V lithium battery
Battery Life: 3 years with alkaline battery
LED: Pairing/Status
Dimensions: 90 x 22 x 21.3 mm
DHM-304t Motion Sensor
Detection Coverage: 7 meters (at 20°C)
Detection Angle: 90 degrees
Transmission Range: Minimum 70 metres in free
space
Power: 2 x AAA batteries
Battery Life: 1 year with alkaline batteries
LED: Pairing/Status
Dimensions: 83 x 58 x 40.5 mm
