portable two way radios , walkie talkies , transceiver I-620

الوصف

• VHF 5W • UHF 4W • FM radio • Built-in *0 CTCSS and **4 DCS, end-tone elimination • Wide (*5kHz) and narrow (*2.5kHz) channel spacing choose • With VOX • Scan function with all channels scan and priority • Technical specifications: o Frequency range: **6 to **4MHz and **0 to **0MHz o Channel capacity: *6 o Operating voltage: 7.4V Li-ion o Working temperature: **0?C to **0?C o Frequency stability: ?2.5ppm o Size (without antenna): *8 x **5 x *5mm • Transmitter: o RF power output: low: 1W and high: 5W o Modulation type: F3E o Stray radiation: >*0dB o Adjacent channel power: >*5/*5dB o Maximum frequency deviation: ?5KHz o Audio distortion: ≤5% o Modulation character: ?3dB • Receiver: o Sensitivity (*2Db SINAD): 0.2μV o Adjacent channel selectivity: ≥*0dB o Noise respond: ≥*0dB o Audio power output: **0mW o Audio distortion: ≤5% o Standby current: ≥*5mA