Key Specifications/Special Features:

• AT915 Analog system digital Signaling Non-central trunking transceiver
• Basic technic parameter
• Working frequency coverage: 915.0125 to 916.9875MHz
• Coverage spacing: 12.5kHz
• Frequency stability: 1PPM
• Working temperature: -20 to +60 degrees
• Voltage: 3.3 to 4.2V
• Transmition
• Tx power: ≤2.5W(3.7V)
• Adjacent channel power: ≤2.5uW
• Spurious power: ≤2.5uW
• Modulation(MAX): =2.5KC
• Modulation distortion: =5%
• Noise ratio =35dB
• Receiver
• Receiving sensitivity: =0.25uV
• Adjacent channel selectivity: =60dB
• Intermodulation: =60dB
• Spurious suppression: =60dB
• Receive distortion: =5%
• Noise: =40dB
• Rx bandwidth: =4KHz
• Audio power output: =0.5W
• The main technic parameter of AT900 TDMA digital transceiver
• Basic technic index
• Working freqency coverage: 915.0125 to 916.9875MHz
• Frequency interval: 12.5kHz
• Frequency stability: 1PPM
• Working temperature coverage: -20 to +60 degrees
• Voltage: 3.3 to 4.2V
• Modulation rate: 9.6kbps
• Working time slot: 2
• Voice rate: 2.4kbps
• Transmition
• Tx power=2.5W(3.7V)
• Adjacent channel power: at the time of startup =55dB
• Power achieve 90%=60dB
• Spurious power: =-60dB
• Receiver
• Receiving sensitivity: =-117dBm
• Receive distortion: =5%
• Audio power output =0.5W

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