fm 8900s dsc digital selective calling

{"cid":"91197283","title":"CCS Digital Selective Calling System Furuno Fm 8900s For Maritime Cost-effective","imgUrl":"https:\/\/img.chinax.com\/nimg\/01\/3e\/c9de79901d53083e2145cec6fff9-200x200-1.jpg","attrs":{"Brand Name":"FURUNO","Model Number":"FM-8900S","Minimum Order Quantity":"one set","Delivery Time":"15 Days","Certification":"CCS","Place of Origin":"Japan","Payment Terms":"L\/C, T\/T","Supply Ability":"30 set per month","Packaging Details":"carton box","Temperature":"-15\u2103 to +55\u2103","Relative humidity":"93% (at 40\u2103)","Frequency range":"Simplex: 155.000 - 161.600 MHz Semi-duplex: 159.600 - 164.200 MHz","Receiving system":"1st IF: 51.1375 MHz 2nd IF: 62.5 kHz","Sensitivity":"Less than 6 dB \u001f V at SINAD 20 dB","Adjacent channel selectivity":"70 dB or more","AF output power":"Built-in speaker: 3 W (4 ohms. THD 10 % or less) Handset earphone receiver: 2 mW (150 ohms)","Audio response":"De-emphasis of 6 dB\/oct +1\/-3 dB"}}