Assistance calling system

Call Receiver - Host - Wireless
Working Voltage: DC9V ~ 15 V
Static Current: < 30 mA
Dynamic Working Current : < 150 mA
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Call Expander - Optional - Wireless
Working Voltage: DC9V ~ 15 V
Static Current: < 30 mA
Dynamic Working Current : < 150 mA
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Transmitter - Wireless
Working Voltage: DC 12V (AG 23A12V Battery)
Current Of The Transmitter: <20mA (For Y-S Model) & <40mA (For Y-L Model)
Power Of The Transmitter: <25mW (For Y-S Model) & <45mW (For Y-L Model)
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