Firstcom FR-488 - Specifications

35
14
Specifications are subject to change without notice due to advancements in
technology.
General
Frequency Range
UHF: 400~490MHz
Number of Channels 200 channels
Channel Spacing
25K (Wide Band)
20K(Middle Band)
12.5K (Narrow band)
Phase-locked Step
5KHz, 6.25KHz, 8.33KHz, 10KHz, 12.5KHz,
15KHz, 20KHz, 25KHz, 30KHz, 50KHz
Operating Voltage 13.8V DC ±15%
Squelch Carrier/CTCSS/DCS/5Tone/2Tone/DTMF
Frequency Stability ±2.5ppm
Operating Temperature -20
℃
~+60
℃
Dimensions(WxHxD) 145 (W) x 47 (H) x 190 (L)mm
Weight about 1.2Kg
Receiver (ETSI EN 300 086 standard testing )
Wide band Narrow band
Sensitivity
(12dB Sinad)
≤0.25μV ≤0.35μV
Adjacent Channel
Selectivity
≥70dB ≥60dB
Intermodulation ≥65dB ≥60dB
Spurious Rejection ≥70dB ≥70dB
Audio Response +1~-3dB(0.3~3KHz) +1~-3dB(0.3~2.55KHz)
Hum & Noise ≥45dB ≥40dB
Audio distortion ≤5%
Audio power output
＞
2W@10%
Transmitter (ETSI EN 300 086 standard testing )
Wide band Narrow band
Power Output 60W /25W/10W(VHF) 45W /25W/10W(UHF)
Modulation 16KΦF3E 11KΦF3E
Adjacent Channel
Power
≥70dB ≥60dB
Hum & Noise ≥40dB ≥36dB
Spurious Emission ≥60dB ≥60dB
Audio Response +1~-3dB(0.3~3KHz) +1~-3dB(0.3~2.55KHz)
Audio Distortion ≤5%
Specifications