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Entel HT649 VHF GMDSS Marine Handheld Radio
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Hytera RD985S DMR Digital Relay Device

Hytera RD625 DMR Digital Relay Device

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Teknik Özellikler

General Features

Frequency Range 136-174MHz, 400-470MHz
Channel Spacing 12.5kHz/20kHz/25kHz
Operating Voltage 13.6±15 %V DC, 100V-240V AC
Current Standby ≤0.5A, Transmit ≤5.5A
Frequency Stability ±0.5ppm
Antenna</ td> 50Ω
Duty Cycle 100%
Dimensions 210x348x108mm
Weight 5 KG
FM Modulation 11K0F3E@12.5kHz, 14K0F3E@20kHz, 16K0F3E@25kHz
4FSK Digital Modulation 12.5kHz Data Only: 7K60FXD, 12.5kHz Data & Voice: 7K60FXW
Managed Light Emission (-36dBm <1GHz, -30dBm >1GHz)
Modulation Limit ±2.5 kHz @ 12.5 kHz, ±4.0 kHz @ 20 kHz, ±5.0 kHz @ 25 kHz
FM Noise 40dB @ 12.5 kHz, 43dB @ 20 kHz, 45dB @ 25 kHz
Neighbour Channel Power 60dB@12.5kHz, 70dB@20 /25kHz
Audio Response (+1 ~ -3dB)
Audio ≤3%
Digital Encoder Type AMBE++ or SELP
Digital Protocol ETSI-TS102 361-1,-2,-3

Recipient

Sensitivity Analog 0.3μV (12dB SINAD), 0.22μV (Typical) (12dB SINAD) , 0.4μV (20dB SINAD), Digital 0.3μV/BER5%
Neighborhood Selectivity TIA-603 : 65dB @ 12.5kHz; 75dB @ 20/25 kHz, ETSI: 60dB @ 12.5 kHz; 75dB @ 20/25 kHz
Interference Rejection TIA-603: 75dB @ 12.5/20/ 25 kHz, ETSI: 70dB @ 12.5/20/25 kHz
Internal Modulation TIA-603: 75dB @ 12.5/20/25 kHz, ETSI: 70dB @ 12.5/20/25 kHz
Humming and Noise TIA-603: 90dB, ETSI: 84dB
Rated Sound Output Power 40dB @ 12.5KHz, 43dB @ 20KHz, 45dB @ 25KHz
Rated Sound Power Distortion ≤3%
Audio Response (+1 ~ -3dB)
Managed Parasite My broadcast <-57dBm
Shipping & Delivery
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