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Simple to install and easy to maintain
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Steady industrial module and reliable design ensures
good performance
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Provides
optimized circuit directly connecting the exchange
device for Extensions
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Compatible
to most telephones, PBX and VoIP gateways (for call
Termination)
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Connect
to Alarm systems to realize wireless alarm(for security
use)
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Strong
signals with high gain antenna
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Support
SIM card (1.8V,3V)
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Support
DTMF 2'nd dialing out
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DTMF
CLIP(Caller ID display)
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Hide
subscriber caller id (been sent out)
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Provides
reversal polarity signal for metering
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Signal
indiator and power indicator and working status indicator
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Suitable
for wide voltage range and low power consumption
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Suitable
for all kinds of weather and environment
Locking PIN / network (optional)
DATA function for internet(optional)
Back up li-ion battery(optional)