BD-1 alarm terminal (master station)

major function
1 alarm SMS, local voice broadcast after receiving the telephone
2 pick up the local alarm voice, feedback to the alarm information platform
3 send the alarm information to the radio station by radio frequency modulation broadcast to the secondary radio, and send three re verification code at the same time. Verify the code to broadcast voice.
4 receive secondary radio broadcast alarm station feedback information, such as secondary radio broadcast alarm station has not successfully broadcast alarm information, through SMS to the responsible person to send SMS alarm information (village group)
5, through the microphone local propaganda to release alarm or other information
6 report the device status regularly by SMS or GPRS, and support the real-time inquiry of device status
7 when the alarm messages of different ways are entered into the device at the same time, the equipment is automatically processed according to the predefined priority
Technical parameter:
Operating voltage: 220V or 12V7AH free maintenance battery, support solar panel charging
Operating temperature: -20---60 degrees
Relative humidity: less than 95%
Weight: 4KG
Interface: with external microphone interface
Lightning protection: GB/T1626.5 standard
Audio part:
Rated output power: 25W (Dan Lu) *4
Peak output power: 35W (Dan Lu)
Rated resistance: 16 Euro
Loudspeaker rated frequency range: 200 - 6000Hz
Horn specific sensitivity: 108dB/ Silene (1kHz)
Maximum support output: 4 way
Signal to noise ratio: 90dB
RF part:
Transmit power: 10W
Frequency band: 136 - 174MHz or 400--460MHZ
Sensitivity: 0.25
Frequency stability: 2.5ppm
Signal to noise ratio: 40dB
BD-2 alarm terminal (slave station)
major function
1 alarm SMS, local voice broadcast after receiving the telephone
2 receive FM broadcast host alarm information spread broadcast, broadcast process to receive three re verification code. Verify the code to broadcast voice.
3 pick up local alarm voice and send feedback to the alarm issuing party
4 alarm messages can be released by microphone local propaganda
5 report the device status regularly by SMS or GPRS, and support the real-time inquiry of device status
6 when the alarm messages of different ways are entered into the device at the same time, the equipment is automatically processed according to the predefined priority
Technical parameter:
Operating voltage: 220V or 12V7AH free maintenance battery, support solar panel charging
Operating temperature: -20---60 degrees
Relative humidity: less than 95%
Weight: 4KG
Interface: with external microphone interface
Lightning protection: GB/T1626.5 standard
Audio part:
Rated output power: 25W (Dan Lu) *4
Peak output power: 35W (Dan Lu)
Rated resistance: 16 Euro
Loudspeaker rated frequency range: 200 - 6000Hz
Horn specific sensitivity: 108dB/ Silene (1kHz)
Maximum support output: 4 way
Signal to noise ratio: 90dB
RF part:
Frequency band: 136 - 174MHz or 400--460MHZ
Transmit power: 10W
Sensitivity: 0.25
Frequency stability: 2.5ppm
Signal to noise ratio: 40dB
BD-3 alarm terminal (not sent, small village)
major function
1 alarm SMS, local voice broadcast after receiving the telephone
2 pick up the local alarm voice, feedback to the alarm information platform
3 alarm messages can be released by microphone local propaganda
4 report the device status regularly by SMS or GPRS, and support the real-time inquiry of device status
5 when the alarm messages of different ways are entered into the device at the same time, the equipment is automatically processed according to the predefined priority
Technical parameter:
Operating voltage: 220V or 12V7AH battery DC, support solar panel charge control
Operating temperature: -20---60 degrees
Relative humidity: less than 95%
Weight: 4KG
Interface: with external microphone interface
Lightning protection: GB/T1626.5 standard
Audio part:
Rated output power: 25W (Dan Lu) *4
Peak output power: 35W (Dan Lu)
Rated resistance: 16 Euro
Loudspeaker rated frequency range: 200 - 6000Hz
Horn specific sensitivity: 108dB/ Silene (1kHz)
Maximum support output: 4 way
Signal to noise ratio: 90dB
BD-4 alarm terminal
1 receive FM radio broadcast alarm information spread broadcast. Receiving three authentication codes simultaneously during the broadcast process. Verify the code to broadcast voice.
2 pick up the local alarm voice, send the feedback to the alarm wirelessly
3 alarm messages can be released by microphone local propaganda
4 when the alarm messages of different ways are entered into the device at the same time, the equipment is automatically processed according to the predefined priority
5 send equipment status to the village master regularly
Power supply voltage: 220VAC, support solar panel battery charging power supply
Technical parameter:
Operating voltage: 220V or 12V7AH battery DC, support solar panel charge control
Operating temperature: -20---60 degrees
Relative humidity: less than 95%
Weight: 4KG
Interface: with external microphone interface
Lightning protection: GB/T1626.5 standard
Audio part:
Rated output power: 25W (Dan Lu) *4
Peak output power: 35W (Dan Lu)
Rated resistance: 16 Euro
Loudspeaker rated frequency range: 200 - 6000Hz
Horn specific sensitivity: 108dB/ Silene (1kHz)
Maximum support output: 4 way
Signal to noise ratio: 90dB
RF part:
Frequency band: 136 - 174MHz or 400--460MHZ
Transmit power: 10W
Sensitivity: 0.25
Frequency stability: 2.5ppm
Signal to noise ratio: 40dB