Interphone is a Telecommunications product. Key specs — Origin: China (Mainland).
Product Description
Frequency scope:400-420/450-470 MHz Full redesign , special broadband incept circuit, sensitive scope ≤1 dBm special broadband modulate circuit with frequency warp ≤1 dBm Radio-frequency output power≤5W Built-in setting CTCSS function Computer Accord to America army standard that testing support by MIL-810C/D/E rainwater humidity, dust and vibration impact Standard spec(HLD-3207(S)) receive part Sensitive scope(12dB SINAD)≤0.16 uV ncept bandwidth ±7 kHz Border upon channel selection >65 dB (±25 kHz;EIA) Intermodulation distortion >65 dB (±25k / ±50k / ±1M / ±2M) Noise response > 60 dB Audio frequency output power 500mWFrequency stability ±2.5ppm Channel extension scope 24 MHz Frequency part radio-frequency output power (high/low) 5W / 3W modulate mode 16kΦF3E noise and harmonic wave modulation noise(300-3000 Hz)modulation distortion(300-3000 Hz)frequency stability ±2.5ppm channel spread spectrum scope 24 MHz maximum frequency excursion ±5 kHz(1000 kHz100%) common spec frequency scope M:450 MHz -470 MHz M4:400MHz -420 MHz channel number 16 channel interval(PLL channel distance is 5kHz/6.25kHz) electrical source voltage 7.4V DC(±20%) externality dimension 50×100×30mm(battery) weigh 225g(battery and aerial)
