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F1-4
Feature:Remote intercomClear voiceLow power reminderVOXOne click cracking(optional)USB Charging(optional)UHF400-470MHZ16 StorageTime limited launch(TOT)50 Groups CTCSS 105Groups DCSChinese/English language reporting numberNon standard mute functionAutomatic power-savingComputer programming,Read/writ…
Introduction:
Feature:
Remote intercom
Clear voice
Low power reminder
VOX
One click cracking(optional)
USB Charging(optional)
UHF400-470MHZ
16 Storage
Time limited launch(TOT)
50 Groups CTCSS 105Groups DCS
Chinese/English language reporting number
Non standard mute function
Automatic power-saving
Computer programming,Read/write frequency password protection
Special signaling (frequency hopping)
Scramble function
Expansion function
Scan function
Low voltage warning
Wide/Narrow band
Parameters:
GENERAL
Frequency:UHF:400-470MHZ
Storage:16
Channel space:25/12.5KHZ
Input voltage:3.7vdc
Battery capacity:1300mAh
Battery life(5-5-90,High power transmitter):About      hours
Standby:≤ 65mA
Receiver:≤ 350mA
Transmitter:≤ 1.3A @Hi power
Frequency stability:±2.5ppm
Stable operation:-25℃ to +55℃
Antenna impedance:50Ω
Size:118*54*33 mm
Weight:196g

TRANSMITTER:
Transmissiom output power:2W/0.5W
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:≥55dB@12.5KHz
Intermodulation rejection:≥55dB@12.5KHz
Conducted spurious emission:≤-57dB@12.5KHz
SNR:≥40dB@12.5KHz
Audio output power:0.5W@8 ohms
Radio distortion: ≤5%
Audio response(300-3000Hz): +1 ~ -3dB
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