Basic Info.Model
NO.RoIP302ApplicationCivilianConditionNewStandardStandardPtt
Port3Built inGSM ModuleSupportConference
GroupProtocolSIPCommunicationVoIP, GSM, RadioWarrantyOne
YearTrademarkDBLTransport PackagePacking Box Dimension:
35.5*21.5*7cmOriginChinaProduct Description The fundamental of
RoIP(Radio over IP)technology is to convert the audio and PTT
signals in a radio terminal into IP packets and then transmit the
data via the IP networks. The challenge in this technology is to
insure that the audio is transmitted in real time and the PPT
control signal is transmitted immediately and reliably. The radio
range is general limited by the restricted transmitting power, the
antenna sensitivity, and other environmental factors. The success
deployment of this technology extends the coverage of a radio
network without using expensive repeaters or links up multiple
radio networks in the world. In addition, this technology can also
links up the radio world to the VoIP world and the cellular world
easily. It truly makes the voice communications across multiple
networks possibleRoIP302 series is developed based on VoIP
technology to realize RoIP functions in order to create a new type
of gateway to bridge voice communications across multiple networks
(Radio, Cellular, VoIP). Its main advantages are low bandwidth
usage, high fault tolerant, low loss in voice quality, fast
response, easy installation and configuration. It is ideal for
setting up a private network with multiple voice communication
platforms, a distributed network for remote management, a network
with extended coverage, and an integrated network of multiple
amateur radio networksRoIP302 Series Cross-Network Gateway has 3
PTT interfaces. Up to 3 audio channels from radio networks can be
connected to the RoIP302 simultaneously. All 3 channels can be
programmed into the same or different groups in order to bridge
real time voice communications to various network interfacesRoIP302
Series has a built-in GSM/CDMA cellular phone module, user can
access the radio networks connected via the cellular network
installed. A radio terminal equipped with DTMF generation
capability can make an outgoing call via the cellular network as
well
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