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F20-4
Feature:Aluminum alloy decorationAnti crackingOne click decodingWireless replicationRemote intercomClear voiceStrong light flashlightTYPE-C ChargingUHF400-470MHZ( receiver/transmit)16 StorageNon standard mute function50 Groups CTCSS 105Groups DCSTime limited launchV0XSpecial signaling (frequency ho…
Introduction:
Feature:
Aluminum alloy decoration
Anti cracking
One click decoding
Wireless replication
Remote intercom
Clear voice
Strong light flashlight
TYPE-C Charging
UHF400-470MHZ( receiver/transmit)
16 Storage
Non standard mute function
50 Groups CTCSS 105Groups DCS
Time limited launch
V0X
Special signaling (frequency hopping)
Computer programming,Read/write frequency password protection
Wide/Narrow band
Scan function
Parameters:
GENERAL:
Frequency:UHF:400-470MHZ
Storage:16
Channel space:25/12.5KHZ
Input voltage:3.7vdc
Battery capacity:4800mAh
Battery life(5-5-90,High power transmitter):About 14 hours
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:119*57*33mm
Weight:176g

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:1W@8 ohms
Radio distortion: ≤5%
Audio response(300-3000Hz):+1 ~ -3dB
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