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KN666
Feature：Walkie-talkieBluetooth playbackPayment playbackTF card playback120 decibel sound qualityTYPE-C Charging Powered by a No. 5 battery and a power bankUHF400-470MHZ（ receiver/transmit)Non standard mute function16 Storage50 Groups CTCSS，105 Groups DCSScan functionFM radio functionWide/Narrow ba…
Introduction:
Feature：
Walkie-talkie
Bluetooth playback
Payment playback
TF card playback
120 decibel sound quality
TYPE-C Charging
 Powered by a No. 5 battery and a power bank
UHF400-470MHZ（ receiver/transmit)
Non standard mute function
16 Storage
50 Groups CTCSS，105 Groups DCS
Scan function
FM radio function
Wide/Narrow band
Time limited launch
Computer programming,Read/write frequency password protection
Special signaling (frequency hopping)
Parameters:
GENERAL：
Frequency：UHF:400-470MHZ
Storage：16
Channel space：25/12.5KHZ
Input voltage：12vdc
Standby：≤ 20mA
Receiver：≤ 450mA
Transmitter：≤ 1.4A @High power,650@Low power
Frequency stability：±2.5ppm
Stable operation：-20℃ to +60℃
Antenna impedance：50Ω
Size：224*147.5*79mm
Weight：683g

TRANSMITTER ：
Transmissiom output power：≤5W
Modulation：16K0F3E@25KHz, 11K0F3E@12.5KHz
Spurious emission：-36dBm＜1GHz, -30dBm＞1GHz
SNR：45dB@25KHz, 40dB@12.5KHz
Radio distortion：≤5%
Modulation limited：±5.0KHz@25KHz, ±2.5KHz@12.5KHz
Adjacent Channel Power：70dB@25KHz, 60dB@12.5KHz
Audio response（300-3000Hz）：+1 ~3dB

RECEIVER：
Receiver sensitivity：0.25uV（12dB SINAD)
Adjacent channel selectivity：≥60dB@25KHz,≥55dB@12.5KHz
Intermodulation rejection：≥60dB@25KHz,≥55dB@12.5KHz
Conducted spurious emission：≤-57dB@25KHz,≤-57dB@12.5KHz
SNR：≥45dB@25KHz,≥40dB@12.5KHz
Audio output power：15W@4 ohms
Radio distortion： ≤5%
Audio response（300-3000Hz）： +1 ~ -3dB
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