Maxon SD-274 Скачать руководство пользователя страница 3

 

Features 

 

CE, FCC, MRC & AS/NZS 4295: 2015 certified 

 

Programmable 16 channels (Dip Switch Select) 

 

External Software Channel Steering 

 

Configurable Power Save Feature 

 

FSK, 4FSK& GMSK Modem Options; Supports 19200 bps 

 

Frequency Step 6.25KHz 

 

CTCSS/DCS Encode/Decode 

 

Fast start-up time: 5ms 

 

SQ Programmable via PC (6 Levels) 

 

POCSAG Modulation (Optional) 

 

PC Programmable & Software Tune & Calibration 

Applications 

 

Industrial telemetry & wireless remote control or Paging system 

 

Gas and oil flow monitoring 

 

Electricity, water and gas utilities 

 

Earthquake, weather, environmental protection 

 

Vehicle tracking and asset tracking systems 

 

Water monitoring, waste water management and irrigation control 

 

Railway, police, army automation system 

 

Aerial defense and fire alarm system 

 

Urban lighting control 

Содержание SD-274

Страница 1: ...SD 270 Series Data Radio User Manual January 2017...

Страница 2: ...thesized 5 watt FM transceiver module which is designed for data transmission and voice communication It can support pre emphasis squelch CTCSS DCS and audio amplifier Two point modulation technology...

Страница 3: ...grammable via PC 6 Levels POCSAG Modulation Optional PC Programmable Software Tune Calibration Applications Industrial telemetry wireless remote control or Paging system Gas and oil flow monitoring El...

Страница 4: ...ber of Channels 16 Nominal Working Voltage 12V DC Extreme Working Voltage 9 6 V 16V DC Storage Temperature 40 80 Operating Temperature 30 65 Current Consumption Standby 100mA 65 mA 12V Transmit 5 watt...

Страница 5: ...Power 25KHz Channel Spacing 70dBc 12 5KHz Channel Spacing 65dBc Conducted Spurious Emission 1GHz 36dBm 1GHz 30dBm Modulation Sensitivity Voice 8 15mV Data 80 130mV TX SNR 25KHz Channel Spacing 45dB 1...

Страница 6: ...Conducted Spurious Emission 57dBm Receiving Audio Distortion 5 RX SNR 25KHz Channel Spacing 45dB 12 5KHz Channel Spacing 40dB Audio Output Power 0 5W 8 load Exterior View Description of radio compone...

Страница 7: ...iation is 250 50mV This line has an internal pull up resistor to 5V PTT TX control active low only when PTT is active AUDIO_IN and MIC IN are effective This line has an internal pull up to 5V B 9 6 16...

Страница 8: ...when delivery CD_OUT MODEM Logical level output to indicated whether a carrier or not Low lever for carrier high level for no carrier NC No connection GND Ground NC No connection Antenna installation...

Страница 9: ...D 270 can be programmed to set CTCSS DCS code When enabled receiver can only receive RF signal with the same CTCSS DCS code of the transmitter to avoid interference from unwanted signals For fast lock...

Страница 10: ...TX Protection This feature when enabled limits the amount of time that the radio can continuously transmit for protecting the radio from block of the channel and damage on radio which is caused by sus...

Страница 11: ...e programming Not recommended when using for data transmission Side Tone This feature when enabled transmits the MIC signal via the output from SPK port to allow user to hear his or her own voice The...

Страница 12: ...Baud Rate bps Narrow 12 5KHz 1200 1200 Wide 25KHz 1200 1200 Available Baud rate for GMSK modem Channel Space DTE Baud Rate bps Modem Baud Rate bps Narrow 12 5KHz 9600 9600 Wide 25KHz 9600 9600 Availa...

Страница 13: ...so capable of high speed wireless data transmission between two or more devices AT Command of Modem Only for GMSK or 4FSK Mode Command Return Remark Querying radio channel AT CHN r r nCHN N r n The ra...

Страница 14: ...13...

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