Best Buy TM-490 Interphone Walkie Talkie Two Way Radio With Scrambler Emergency Alarm
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Here are some of the great features of TM-490 Interphone Walkie Talkie Two Way Radio With Scrambler Emergency Alarm
TM-490 Interphone Walkie, Description: 1.Scrambler 2.Noise reduction circuit 3.Emergency alarm call 4.Receiving alarm call 5.High capacity li-ion battery 6.Battery save,Ctcss.Dcs 7.Reporting number command of english and chinese function,humanism design . Frequency:400-470Mhz(UHF) Transmission power:<5W Conventional channels:16 Power Supply:3.7V(lithium) Frequency Range VHF 136-174 trillion trillion UHF 400-470 Number of Channels 16 25 kHz step length Operating voltage 7.4 V Standard Battery 1300 mA lithium battery Electricity use of time (5-5-90 duty cycle) about 9 hours Frequency stability +-2.5ppm Operating temperature range -30c - +60c Antenna 50 ohm Communication distance of about 6 km Transmitter Transmission power 5 W / 3 W Modulation F3E <=65dB spurious emission <=-45dB residual FM Audio Distortion<=5% Transmitting current is <1.5 Security Receiver Sensitivity (12dB SINAD)<=0.20 microvolts Selective 55dB/50dB Intermodulation>=65dB >= 60dB adjacent channel selectivity >= 60dB spurious suppression SNR 45dB/40dB 800 mW Audio Power Audio Distortion<=5% Standby current (power-saving features open) about 15 mAh
- Transmission power:<5W
- Standard Battery 1300 mA lithium battery
- Frequency Range VHF 136-174 ,UHF 400-470
- Channels:16
- Power Supply:3.7V(lithium)
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