350 470mhz frequency range drone communication relay

{"cid":"91224379","title":"R1 UAV Narrowband Voice Communication Relay with IP67 Waterproof, 350-470MHz Frequency Range, and Quick Deployment for Blind Zone Network Extension","imgUrl":"https:\/\/img.chinax.com\/nimg\/32\/1b\/a12956ffce9d2a83de16e326a81c-200x200-1.jpg","attrs":{"Brand Name":"AOISUN","Minimum Order Quantity":"1","Delivery Time":"2 weeks","Payment Terms":"L\/C,D\/A,T\/T,D\/P","Product Model":"R1 UAV Narrowband Voice Communication Relay","Frequency Range":"350MHz-470MHz (350-390MHz and 400-470MHz versions available)","Channel Capacity":"1024","Digital Channel Spacing":"12.5KHz","Working Mode":"Time-slot relay","Working Voltage":"9-24VDC","Working Temperature":"-30\u2103~+60\u2103","Storage Temperature":"-40\u2103~+85\u2103","Waterproof Rating\tIP67 Built-in Vocoder Support":"IP67","Built-in Vocoder Support":"NVOC\/air interface","Weight (Excluding Antenna)":"220g","Dimensions (L\u00d7W\u00d7H, Excluding Antenna)":"75\u00d775\u00d753mm","Programming Method":"PSDK UAV remote controller (frequency, group number, color code)","Positioning Method":"Single Beidou positioning","Supported Modes":"PDT digital conventional \/ ad-hoc network","Startup Time":"1 minute (cold start), 10 seconds (hot start)","Installation Method":"UAV top quick installation (10 seconds)","Compatibility":"DJI Matrice M30\/M300\/M350 series UAVs (via PSDK interface)","Sensitivity (BER=5%)":"\u2264-118dBm","Intermodulation Immunity":"70dB","Adjacent Channel Selectivity":"\u226560dB","Conducted\/Spurious Radiation":"<-57dBm","Blocking":"ETSI: >84dB; TIA603: >90dB","Conducted Spurious (Antenna Port, Idle Mode)":"9kHz~1GHz: \u2264-57dBm; 1GHz~12.75GHz: \u2264-47dBm","Transmit Power":"1W-5W","4FSK Modulation Frequency Deviation Error":"\u226410.0%","Frequency Error":"\u00b12ppm","Transmit Spurious":"9kHz~1GHz: \u2264-36dBm; 1GHz~12.75GHz: \u2264-30dBm","Adjacent Channel Power Ratio (ACPR)":"12.5KHz: \u2264-60dB; 25KHz: \u2264-70dB","Transient Switching Adjacent Channel Power (ACTP)":"12.5KHz: \u2264-50dB; 25KHz: \u2264-60dB","Digital Adjacent Channel Power":"-60dB@12.5kHz"}}

{"cid":"91221595","title":"Long Distance Communication Motorola Radio Walkie Talkie with 350-470MHz\/800MHz Frequency Range","imgUrl":"https:\/\/img.chinax.com\/nimg\/8e\/a3\/79fa90ceb63e9d8e6a69c234997b-200x200-1.jpg","attrs":{"Price":"\/","Brand Name":"Mstar\/OEM","Model Number":"M98","Minimum Order Quantity":"5","Delivery Time":"7-15 work day","Certification":"-","Place of Origin":"China","Payment Terms":"L\/C D\/A Western Union D\/P T\/T MoneyGram Paypal","Supply Ability":"100 Piece\/Pieces 7days","Packaging Details":"25*20*10cm Piece\/Pieces","Warranty":"12 Months","brand name":"huahang","talk range":"0-10KM","walkie talkie type":"Digital Mobile Radio","feature":"Group Communication","model number":"MTP3500","frequency range":"350-470MHz\/800MHz","frequency type":"UHF"}}

{"cid":"91178553","title":"CD30Pro Drone Video Transmitter with Multiple Interfaces 1 TTL 1 RS232 1S.BUS Serial Port 1 Ethernet Port AES128 Encryption","imgUrl":"https:\/\/img.chinax.com\/nimg\/00\/46\/6b6543134e6bc58d8e78ca23545a-200x200-1.jpg","attrs":{"Model Number":"CD30Pro","Minimum Order Quantity":"1 set","Place of Origin":"Shenzhen, China","Payment Terms":"T\/T, Western Union, Paypal","Supply Ability":"1000 set\/ month","Packaging Details":"Carton","Modulation":"QPSK\/16QAM\/64QAM","Data Rate":"24Mbps@10MHz(Peak)","Bandwidth":"5MHz\/10MHz\/20MHz","Tx Power":"33dBm \u00b1 2","Rx Sensitivity":"-99dBm@5MHz","Security":"AES128 Encryption","Dimension":"\u2264 118 \u00d7 76 \u00d7 40mm (Air)","Weight":"\u2264 350g (Air)"}}

{"cid":"91200384","title":"ARD2 Panel Mounted 45-65Hz Smart Motor Protector CE Certification","imgUrl":"https:\/\/img.chinax.com\/nimg\/b5\/ac\/c0d259086032dec099e2e5c71321-200x200-1.jpg","attrs":{"Price":"USD 120-305\/PCS","Brand Name":"Acrel","Model Number":"ARD2","Minimum Order Quantity":"1 pcs","Delivery Time":"3 days","Certification":"CE","Place of Origin":"China","Supply Ability":"10000\/month","Packaging Details":"Individually packed in big carton","Accuracy":"\u2264500HZ","Range":"45-65Hz","Auxiliary power supply":"AC85V~265V\/DC100V~350V","SOE event recorder":"Record 8 fault messages","Installation":"Panel mounted","Installation: Panel mounted Dimension(L*W*H)":"96mm*78.5mm*48mm"}}