Motolora Interphone   SMP528      
    Product Description:
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Computer Programming, Wired Copy, DTMF Code, Voice Encryption, Voice compression, Squelch Control, Scan/Priority Scanning, Busy Channel Locking, Power saving function, Scaling, Voice-activated Hands-free, Sound control sensitivity, Voice-activated Launch Delay , Emission limit time, call function, Low pressure alarm, monitor, Broadband & Narrowband selection, high and low power switching, Transmitting and receiving different frequencies.

Products Demo Photo:

Technical Datas:

Basic parts
Number of channels 128 Analog/digital sub audio 105DQT
Frequency Range UHF 400~470MHz
UHF 350~390MHz
VHF 136~174MHz
Dimensions (without antenna) 130×58.5×34mm
Weight (including battery, antenna, belt clip) 260g Operating Voltage DC 7.4V
Intelligent fast charge <4 hours Operating temperature -20~+50℃
Type of battery 1200mAh(Lithium battery) Using time ≥8 hours
Receiving section
Sensitivity -119dBm (0.25μV) Adjacent Channel Selectivity (ACS) 60d@25KHz
Intermodulation >55dB Signal-to-noise ratio ≥40d@25KHz
Receive spurious ≤7.5μW Block ≥85dB
Audio distortion ≤5% Audio output power 1000mW@8Ω
Launch section
RF output H:4W Frequency stability ±2.5 PPM
FM and noise ≥40d@25KHz Modulation restrictions ±5.0KHz@25KHz
Adjacent channel power 65dB Modulation characteristics ±3dB
Spurious frequency components ≤7.5μW Audio distortion ≤5%