ไมค์แท้ เครื่องสวย ส่งได้ย่าน440-450ครับ ใช้งานปกติครับ
http://www.universal-radio.com/catalog/fm_txvrs/281h.htmlขาย4500หรือแลกโมบายรุ่นอื่นลองเสนอมาได้ครับIC-481H - Mobile 440 MHz FM Amateur Transceiver
Quick Specs:
440 MHz mobile transceiver
RX: 440-450 MHz; 136-174 MHz
TX: 440-450 MHz
Output power: 35 W
Modes: FM
Receiver sensitivity: 0.16 µV (FM, 12 dB SINAD)
CTCSS encode standard, CTCSS decode (tone squelch) optional
Frequency Coverage: Main Rx/Tx: 440~450 MHz, Bonus Rx/Tx: 136~174 MHz
Tuning Step Increments: 5, 10, 12.5, 20, 25, 30, or 50 kHz.
Number of Memory Channels: 60 regular, 2 call, 10 scratch pads and 12 scan edges.
Mode: FM (F3)
Antenna Impedance: 50 ohms nominal
Power Supply Requirement: 13.8 V DC+/-15% (negative ground)
Current Drain (at 13.8 V DC)- Transmit: 10.5 A (high), 6.0 A (mid), 4.5 A (low)
Current Drain (at 13.8 V DC) - Receive: 1.0 A (max. audio output) 0.8 A (Stand-by)
Frequency Stability: +/-10 ppm (-10ºC to +60ºC)
Usable Temperature Range: -10ºC to +60ºC; +14ºF to +140ºF
Dimensions (projections not included): 140(W) x 40(H) x 171(D) mm, 5.5(W) x 1.6(H) x 6.7(D) in
Weight: 960 g; 2.1 lb.
TRANSMITTER
Output Power (selectable): 35 W, 10W, 5W
Modulation System: Variable reactance frequency modulation
Max. Frequency Deviation: +/-5.0 kHz
Spurious Emissions: Less than -60 dB
Microphone Impedance: 600 ohms
RECEIVER
Receive System: Double conversion superheterodyne
Sensitivity: Main band - Less than 0.16 µV for 12 dB SINAD, Bonus band - Less than 0.2 µV for 12 dB SINAD
Squelch Sensitivity: Less than 0.13 µV
Spurious Response Rejection: More than 60 dB
Audio Output Power: More than 2.4 W at 10% distortion with an 8 ohms load.
Audio Output Impedance: 4-8 ohms.
