Description
In combination with call transmitters (call buttons), the portable pager ZJ-41H (signal receiver) has been developed to receive instant messages and improve communication processes.
The ZJ-41H wristwatch receiver is wireless and works via radio frequency. It has a built-in battery, so you only need to plug it in to charge it.
The call is signaled in a simple way: the LED lights up when a call transmitter is triggered (the LED corresponds to the channel to which the transmitter is paired). The ZJ-41H has 4 channels (LEDs) and can be paired with up to 5 transmitters on each channel.
Equipment
- Low battery indicator
- Rechargeable battery
- Vibrating/buzzing sound
ZJ-41H-B Wireless Watch Call Indicator
Idle current < 8 mA
Operating time at least 48 hours with a fully charged battery
Color black
Display digital LED
Indication low power indication
Operating frequency 433.92 MHz
Operating current 37mA ± 10 mA (buzzer mode), 75mA ± 10mA (vibration mode)
Wristband silicone wristband
Notice vibration, acoustic signal or both
Operating temperature -10 - +40 °C
Input 5 keys
Reception range up to 100 m (in an open area)
Reception sensitivity -108 dBm
Decryption instruction code
Housing impact-resistant plastic
Scope of delivery watch receiver, manual, charger
Modulation amplitude modulation (OOK)
Notes a total of 4 channels (e.g. for 4 rooms) are accessible. 5 transmitters can be connected to each channel
Range extension possible with a repeater (ZZQ-8)
Shutdown current 180±5uA
Power supply built-in battery DC3.7V (lithium-ion battery)
Connection up to 20 call buttons
Certificates CE