| 7800 New Model SSB Mobile Radio Multiple Button High Receiving Sensitivity Item No. 7800 Observe the following precautions to prevent the intercom from fire or personal injury. Do not use this unit while driving, it is too dangerous. This intercom is designed to use 24V power supply. Do not place the unit in dusty, damp or splashed areas, nor Place it on an uneven surface. If reception is subject to external interference, the unit should be kept away from interfering devices (e.g. television, generator, etc) Do not expose the unit to direct sunlight for a long time or place it in a heated package Place nearby. If the machine emits smoke or strange smell, the power should be cut off immediately. After confirming that the machine is safe, send it to the nearest maintenance service station for inspection. Do not transmit at a high power output for a long time, as this may cause the intercom to overheat. GENERAL Frequency RangeRX: 108~520MHz 700~999MHz TX: 137~174MHz 420~470MHz Radiation PatternF3E, F2D, F2A Current CostRX: 0.5 A TX: 8.5 A (144MHz, 50W), 9 A (430MHz, 45W) Phase-locked Step5KHz, 10KHz, 12.5KHz, 15KHz, 20KHz, 25KHz, 50KHz, 100MHz Operating Voltage13.8 V DC卤15% Frequency Stability卤5 ppm Operating Temperature-20鈩儈+60鈩?/p Dimensions (mm)140(W) x 168(D) x 41.5(H) Weightabout 1 Kg TRANSMITTER Wide bandNarrow band Power Output55/20/10/5W45/20/10/5W Modulation TypeVariable Impedance Max Frequency Offset卤5kHz, 卤2.5kHz Mic Impedance2k惟 DATA Jack Impedance10k惟 RECEIVER Mid Frequency45.05MHz/450kHz Sensitivity0.8渭V (TYP) in 10 dB SN (108-137 MHz, AM) 0.2uV in 12 dB SINAD (137-150 MHz. FM) 0.25渭V in 12 dB SINAD (150-174 MHz, FM) 0.3渭V (TYP) in 12dB SINAD (174-222 MHz, FM) 0.25uV (TYP) in 12dB SINAD (222-300MHz, FM) 0.8uV (TYP) in 10dB SN (300-336MHz. AM) 0.25V in 12dB SINAD (336-420 MHz. FM) 0.2渭V in 12 dB SINAD (420 - 520 MHz, FM) 0.4uV (TYP) in12dB SINAD (800-900 MHz. FM) 0.8渭V (TYP) in12dB SINAD (900-999.99 MHz, FM) Adjectivity12kHz/30kHz Max AF Output2W@8惟 for 10% THD AF Output Impedence4-16惟China Two-Way Radios factory website:http://www.sifangradios.com/two-way-radios/ |
