PRODUCTS

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 al₹arm information platform
3 send the alarm information to the radio station by radio frequencyε modulation broadcast to the secondary radio, and send three re verification code at the s∞ame time. Verify the code to broadcast voice.
4 receive secondary radio broadcast alarm station feedback information, such as seco€ndary radio broadcast alarm station has not successfully broadcast a≤larm information, through SMS to the responsible person to s♦end 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 th→e real-time inquiry of device status
7 when the alarm messages of different ways are entered int§o the device at the same time, the equipment is automatically processed according to the predefi ned 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 proφcess to receive three re verification code. Verify the code to§ broadcast voice.
3 pick up local alarm voice and send feedback to the alarm iss uing party
4 alarm messages can be released by microphone local propaganda
5 report the device status regularly by SMS or GPRS, and support the r↓eal-time inquiry of device status
6 when the alarm messages of different ways are entered into the devic>e at the same time, the equipment is automatically processed according to the predefined priority☆
Technical parameter:
Operating voltage: 220V or 12V7AH free maintenance battery, suppφort 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 th"e 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 equip♥ment is automatically processed according to the predefined priority
Technical parameter:
Operating voltage: 220V or 12V7AH battery DC, support solar panel ch♦arge 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 th♣ree authentication codes simultaneously during the broadcast process. V erify 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 equi&pment 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 pβower supply
Technical parameter:
Operating voltage: 220V or 12V7AH battery DC, support solar panel charge co€ntrol
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