Complaint
Heldhand Radio Hardware Interfaces
| Technical specifications | |
| Waveform | Mobile Network MIMO |
| MIMO Technology | Spatial multiplexing,Space-time coding; Diversity,TX /RX beam forming |
| Receive Sensitivity | -103dBm@5MHz BW |
| Channel Bandwidth | 2.5/5/10/20MHz ,40MHz optional |
| Data Rate | 1-100Mbps(20MHz BW)/ 180Mbps(40MHz BW) Adaptive,QoS |
| Modulation Mode | TD-COFDM,BPSK/QPSK/16QAM/64QAM/256QAM adaptive |
| RF Output Power | 2Watts×2/5Watts×2 (Handheld/Airborne/Module) |
| Single Hop Communication Distance | 100-300 KM (visible), 1-30 KM (urban area) |
| Mode | Point-to-point/Point-to-multi point/Multi point-to-multi point,Automatic relay, Star/Line/Network/Hybrid |
| Single Hop Delay | Average 10ms(20MHz BW) |
| Encryption | DES, AES128/256,Chip /TF card encryption customized |
| Anti-interference Mode | Manual spectrum scanning channel selection, Intelligent frequency channel Selection/Autonomous frequency hopping/Roaming mode optional |
| Local/Remote Management | Operating frequency, channel bandwidth, network ID, transmit power and other parameter settings, spectrum scanning, real-time display and statistical records of network topology, link field strength signal-to-noise ratio, upload and download traffic, GPS/Beidou electronic map, temperature/voltage/interference Monitoring, software upgrade |
| Others | The startup time is less than 30 seconds, and the network access/update/switchover time is less than 1 second. There is no limit on the user capacity of a single system and the number of hops in Mesh networks. The total bandwidth loss of multiple hops is less than 30%. Automatic carrier tracking, support over 800 km/h mobile communication |
| Bands | |
| BAND | Frequency range (MHz) |
| UHF | 350-700 |
| L Band | 1000-1500 |
| MIIT | 336-344/512-582/566-626/606-678/1420-1520/1430-1444 |
| S Band | 1800-2500 |
| Lower C Band | 4400-5000 |
| Upper C Band | 5100-6000 |
| Mechanical | |
| Size/Weight | 19x6.8x3.8cm/0.769kg(with 11.1V/6.8AH battery Handheld Radio) 22x6.8x3.8cm/0.982kg(with 11.1V/10.2AH battery Handheld Radio) 22.9x18.9x6.2cm/3.86kg(with 22.2V/9.6AH battery Backpack Radio) 31.4x18.9x6.2cm/4.95kg(with 14.8/28.8AH battery Backpack Radio) |
| Installation/Color | 4 Mounting Holes/Black,Lron Gray, Dark Green Optional |
| Power | |
| Supply Voltage | 9-24VDC (2Watts×2 Handheld/Airborne/Module)/ |
| Power consumption | Operation 1-2A/Standby 0.4-0.6A@12V(2Watts×2 Handheld/Airborne/Module) |
| Power Selection | Power Supply by Twist-Lock Battery or Main Cable |
| Batteries | 10/8 hours for 10.2/6.8AH (Handheld Radio) 12/8 hours for 28.8/9.6AH (Backpack Radio) polymer lithium battery |
| Interface | |
| Basic interface | RF 2xTNC,1-2xRJ45 Ethernet 10/100BaseT,WiFi AP, 1xRS232-485-422-USB-Bluetooth/1.2-230.4Kbps,DC Input |
| Push to talk/Auxiliary interface | MIC, SP, PTT, GND/1xRS485,1xUSB2.0 OTG |
| Network Extension Optional | Public Network Routing/4G LTE, WB-NB integration, Fiber, Satellite |
| Video Extension Optional | Low Delay HDMI/SDI/CVBS, 4K/2K/1080P/720P/D1 |
| Link Status Indicator | Steady red - The network is not connected Blinking red - Starting/not connected to the network Steady green - The network is connected Blinking green - Voice PTT is down |
| RSSI Link Indicator | Steady green - The link quality is excellent Blue Steady - The link quality is good Steady yellow - The link quality is medium Steady purple - The link quality is slightly worse Steady red - The link quality is poor or link is down |
| Management Interface/Control Interface | Web-based network management/GUI, API secondary development interface/SNMP |
