Description
Simple Introduction
This document describes the electrical characteristics, RF performance, dimensions and application environment of the HC851. Under the introduction of this document, end users or developers can quickly understand the hardware functions of HC841.
HC841 is a Wifi6 4G Modem Router. It accesses the Internet through 4G mobile communication dial-up or 1000Mbps WAN port, then shares the Internet network through wireless WiFi 6 and 1000Mbps wired LAN.
Introduction to the hardware interface
| Ports | 1*10/100/1000Mbps WAN Port(Auto MDI/MDIX)
IEEE 802.3/802.3u/802.ab |
| 3*10/100/1000Mbps LAN Port(Auto MDI/MDIX)
IEEE 802.3/802.3u/802.ab |
|
| SIM slot | 1* Nano SIM slot, 2*QFN-8(6mmx5mm) eSIM, Support SIM/USIM |
| USB Port | 1*USB 3.0 port |
| Power | 12V 2A DC5.0*2.1MM power adapter, support 9v-36v voltage, 48V POE in as optional |
| Button | 1*Reset button |
| Antennas | 2*Omnidirectional External 5dbi Wifi antennas |
| 2*Omnidirectional External 5dbi 4G antennas |
Introduction to the hardware platform
| Processor | MT7621A MIPS Dual Core CPU, 880MHZ main frequency |
| WIFI chipset | MT7905D+MT7975D, IEEE 802.11n/g/b/a/ac/ax, max speed up to 1800Mbps |
| RAM | DDR3 256MB (Max.512MB) |
| Flash | Nor Flash 16MB (Max. 32MB) |
| NAND Flash (Reserved Design)Max.1GB |
- 4G mobile communication function
This product has built-in one M.2/MiniPCIE interface, which can be used to expand 4G mobile communication functions. The built-in M.2/PCIE interface supports USB3.0 and USB 2.0 buses. 4G mobile communication supports NSA or SA.
- Power supply and power consumption description
| Item | Testing Condition | Minimum | Rating | Maximum |
| Working voltage(V) | T A = 25°C | 9 | 12 | 35 |
| Absolute operating voltage(V) | T A = 25°C | 8 | 36 | |
| Working Currency(A) | VIN=12V
T A = 25°C |
0.3 | 0.9 | 1.5 |
Please use the standard power adapter to supply power to this product. If you do not use the standard power supply, please supply power to this product in strict accordance with the above power specifications and parameters, otherwise the product will be damaged. If the battery or vehicle power supply is used for power supply, please make anti-static and anti surge countermeasures.
- Introduction to WIFI wireless parameters
- WIFI EVM standard
| Mode description | Index parameter | |
| EVM standard(dBm) | 802.11B 11Mbps | ≤ -1 5 dB |
| 802.11G 54 Mbps | ≤ -25 dB | |
| 802.11N HT20@ MCS7 | ≤ -28 dB | |
| 802.11N HT40@ MCS7 | ≤ -28 dB | |
| 802.11AC VHT20@ MCS8 | ≤ -30 dB | |
| 802.11AC VHT40@ MCS9 | ≤ -32 dB | |
| 802.11AC VHT80@ MCS9 | ≤ -32 dB | |
| 802.11AX HE20@MCS 11 | ≤ -35 dB | |
| 802.11AX HE40@MCS 11 | ≤ -35 dB | |
| 802.11AX HE80@MCS 11 | ≤ -35dB |
WIFI 2.4G
- Compatible with IEEE 802.11 b/g/n/ac/ax, supports 20MHz, 40MHz, modulation method 1024-QAM / OFDMA, adopts 2T2R MU-MIMO antenna technology, and the highest connection rate is up to 573.5Mbps. The following is an explanation of 2.4G WIFI’s power frequency, receiving sensitivity, and transmitting power.
| Item | Instruction | Maximum Value | Rating | Minimum Value |
| Working Frequency(MHz) | 2484 | 2412 | ||
| Receiving sensitivity(dBm) | 802.11B 11Mbps | -86 | -87 | -88 |
| 802.11G 54 Mbps | -69 | -71 | -73 | |
| 802.11N HT20@ MCS7 | -67 | -69 | -71 | |
| 802.11N HT40@ MCS7 | -65 | -67 | -69 | |
| 802.11AC VHT20@ MCS8 | -63 | -65 | -67 | |
| 802.11AC VHT40@ MCS9 | -61 | -63 | -65 | |
| 802.11AX HE20@MCS11 | -62 | -64 | -66 | |
| 802.11AX HE40@MCS11 | -60 | -62 | -64 | |
| Transmit power(dBm) | 802.11B 11Mbps | 22 | 21 | 20 |
| 802.11G 54 Mbps | 20 | 19 | 18 | |
| 802.11N HT20@ MCS7 | 19 | 18 | 17 | |
| 802.11N HT40@ MCS7 | 19 | 18 | 17 | |
| 802.11AC VHT20@ MCS8 | 18 | 17 | 16 | |
| 802.11AC VHT40@ MCS9 | 18 | 17 | 16 | |
| 802.11AX HE20@MCS11 | 17 | 16 | 15 | |
| 802.11AX HE40@MCS11 | 17 | 16 | 15 |
- WIFI 5.8G
Compatible with IEEE 802.11 a/ac/ax, supports 20MHz, 40MHz, 80MHz, modulation method 1024-QAM / OFDMA, adopts 2T2R MU-MIMO antenna technology, and the highest connection rate is up to 1201Mbps. The following is an explanation of the power frequency, receiving sensitivity, and transmitting power of 5.8G WIFI.
| Item | Instruction | Maximum Value | Rating | Minimum Value |
| Working Frequency(MHz) | 5825 | 5180 | ||
| Receiving sensitivity(dBm) | 802.11G 54 Mbps | -69 | -71 | -73 |
| 802.11N HT20@ MCS7 | -67 | -69 | -71 | |
| 802.11N HT40@ MCS7 | -65 | -67 | -69 | |
| 802.11AC VHT20@ MCS8 | -63 | -65 | -67 | |
| 802.11AC VHT40@ MCS9 | -61 | -63 | -65 | |
| 802.11AC VHT80@ MCS9 | -59 | -61 | -63 | |
| 802.11AX HE20@MCS 11 | -57 | -59 | -61 | |
| 802.11AX HE40@MCS 11 | -55 | -57 | -59 | |
| 802.11AX HE80@MCS 11 | -53 | -55 | -57 | |
| Transmit power(dBm) | 802.11G 54 Mbps | 20 | 19 | 18 |
| 802.11N HT20@ MCS7 | 19 | 18 | 17 | |
| 802.11N HT40@ MCS7 | 18 | 17 | 16 | |
| 802.11AC VHT20@ MCS8 | 18 | 17 | 16 | |
| 802.11AC VHT40@ MCS9 | 17 | 16 | 15 | |
| 802.11AC VHT80@ MCS9 | 16 | 15 | 14 | |
| 802.11AX HE20@MCS 11 | 18 | 17 | 16 | |
| 802.11AX HE40@MCS 11 | 17 | 16 | 15 | |
| 802.11AX HE80@MCS 11 | 16 | 15 | 14 |
- Introduction to structural parameters and accessories
| color | Gray |
| Packing List | HC841 1PCS |
| 12V 2A power adapter 1PCS | |
| Cat 5 Patch cable 1PCS | |
| Mounting Brackets 1SET |
- Product working environment requirements
| Working temperature | -20℃ – 60℃ |
| Storage temperature | -40℃ – 70℃ |
| Working humidity | 10% – 90%RH, Non condensing |
| Storage humidity | 5% – 90%RH,Non condensing |
- Software configuration information
| Default IP | 192.168.1.1 |
| username/password | root/admin |
| 2.4G SSID | WIFI6-XXXXXX (x is the last 6 bits of MAC address), default no password |
| 5.8G SSID | WIFI6-5G-XXXXXX (x is the last 6 bits of MAC address), default no password |
The above is the general default configuration information of the product. Please refer to the product description for other detailed software functions.
Reviews
There are no reviews yet.