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TEF6686 DIY Desktop Digital Radio Opensource Full Band Receiver DSP RDS AM FM Radio with Atmosphere Light
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BOE VFD48 V1.5 VFD Clock USB Powered Analog Clock Alarm Clock with Round Clock Dial (without Shell)
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70MHz-6GHz Zynq7010+AD9363 SDR Software Defined Radio Development Board for Pluto SDR MATLAB
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QYT KT-8900D Dual Band VHF UHF Radio Mobile Transceiver 136-174/400-480MHz 25W 200CH
General Specifications:
- Frequency Range: VHF 136-174MHz. UHF 400-480MHz
- Number of Channels: 200
- Channel Spacing: 25KHz (Wide Band), 20KHz (Median Band) and 12.5KHz (Narrow Band)
- Phase-Locked Step: 2.5KHz, 5KHz, 6.25 KHz, 10 KHz, 12.5 KHz, 15 KHz, 25 KHz
- Working Voltage: 13.8V DC ±15%
- Squelch Ways: Carrier, CTCSS, DCS, 5Tone, 2Tone, DTMF
- Frequency Stability: ±2.6ppm
- Operating Temperature: -20 to 60℃
- Weight: 448g
Receiving Part (ETSI EN 300 086 Standard Test):
- Sensitivity (12db SINAD): Wide Band ≤0.25μV. Narrow Band≤0.35μV
- Adjacent Channel Selectivity: Wide Band ≥ 70db. Narrow Band ≥ 60db
- Inter-Modulation: Wide Band ≥ 65db. Narrow Band ≥ 60db
- False Signal Response: Wide Band ≥ 70db. Narrow Band ≥ 70db
- Audio Response: Wide Band +1 to 3db (0.3-3KHz). Narrow Band +1 to 3db (0.3-2.55KHz)
- SNR: Wide Band ≥ 45db. Narrow Band ≥ 40db
- Audio Distortion: ≤5%
- Audio Output Power: ≥ 2W@10%
Transmitting Part (ETSI EN 300 086 Standard Test):
- Output Power: Wide Band 25W/20W (VHF/UHF)
- Modulation Ways: Wide Band 16ΦF3E. Narrow Band 11KΦF3E
- Adjacent Channel Power: Wide Band ≥ 70db. Narrow Band ≥ 60db
- SNR: Wide Band ≥ 40db. Narrow Band ≥ 36db
- Parasitic Harmonics: Wide Band ≥ 60db. Narrow Band ≥ 60db
- Audio Response: Wide Band +1 to 3db (0.3-3KHz). Narrow Band +1 to 3db (0.3-2.55KHz)
- Audio Distortion: ≤5%
Note: When using with large trucks 24V and household 220V, it needs to be equipped with power conversion before it can be used.
