User's Manual

10
5. Troubleshooting
If the nRF module can’t work well, please follow this guideline:
a) Try to repower on the device. If the LED on the module can’t light, please change
the module or send the whole device to us.
b) If the LED can light, please change the antenna.
c) After changing the antenna, if it still can’t work, please change the module or send
the whole device to us.
6. Technical Data
Model HM2401
Type 2.4G RF
Channel List 2403, 2423, 2440, 2461, 2475MHz
Modulation Type GFSK
Antenna Gain 2dBi
Working Voltage 1.9~3.6V
Power Consumption 40mW typical
ISED RSS Warning:
This device complies with Innovation, Science and Economic Development Canada licence-
exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device
may not cause interference, and (2) this device must accept any interference, including
interference that may cause undesired operation of the device.
Le présent appareil est conforme aux CNR d'ISED applicables aux appareils radio exempts de
licence. L'exploitation est autorisée aux deux conditions suivantes:
(1) l'appareil ne doit pas produire de brouillage, et
(2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le
brouillage est susceptible d'en compromettre le fonctionnement.
ISED RF exposure statement:
This equipment complies with ISED radiation exposure limits set forth for an
uncontrolled environment. This equipment should be installed and operated with minimum
distance 20cm between the radiator& your body.This transmitter must not be co-located or
operating in conjunction with any other antenna or transmitter.
Le rayonnement de la classe b repecte ISED fixaient un environnement non
contrôlés.Installation et mise en œuvre de ce matériel devrait avec échangeur distance
minimale entre 20 cm tonon corps.Lanceurs ou ne peuvent pas coexister cette antenne ou
capteurs avec d’autres.