1. Introduction
The ZTE G5 Air 5G CPE MC8510D is a high-performance 5G Customer Premises Equipment (CPE) designed to provide ultra-fast internet connectivity using both 5G cellular networks and the latest Wi-Fi 7 technology. This device offers robust features for home and business environments, including advanced networking capabilities, multiple wired ports, and support for a large number of connected devices. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your ZTE G5 Air 5G CPE MC8510D.

2. Package Contents
Please check the contents of your package. If any item is missing or damaged, contact your vendor.
- ZTE G5 Air 5G CPE MC8510D Unit
- Power Adapter (EU or UK, depending on region)
- Quick Start Guide (may be included)
- Ethernet Cable (may be included)

3. Device Overview
The ZTE G5 Air 5G CPE MC8510D features a sleek, vertical design with various ports and indicators for easy setup and monitoring.
3.1 Front Panel
The front panel typically features LED indicators for power, network status, and Wi-Fi activity.
3.2 Rear Panel (Ports)
- SIM Card Slot: For inserting your 4FF 3V/1.8V SIM card.
- USB Interface: 1 x Type-C USB3.1 port.
- RJ45 Interfaces: 1 x 2.5GE Ethernet port and 1 x GE Ethernet port for wired connections.
- RJ11 Interface: 1 x RJ11 port for voice services.
- External Antenna Ports: 2 x TS-9 ports for connecting optional external antennas to enhance signal reception.
- Power Input: For connecting the power adapter.
3.3 Top and Bottom Panels
These panels typically feature ventilation grilles for heat dissipation and may include a reset button on the bottom.

4. Setup Guide
Follow these steps to set up your ZTE G5 Air 5G CPE MC8510D:
- Insert SIM Card: Locate the SIM card slot on the rear panel. Gently insert your 4FF (Nano) SIM card into the slot until it clicks into place. Ensure the SIM card is correctly oriented.
- Connect Power: Connect the provided power adapter to the power input port on the device and then plug the adapter into a power outlet. The device will power on automatically.
- Position the Device: Place the CPE in an open area, preferably near a window, to ensure optimal 5G signal reception. Avoid placing it near large metal objects or other electronic devices that may cause interference. The 'Preferred Position' feature (see Section 5.4) can assist in finding the best location.
- Optional: Connect External Antennas: If you wish to enhance 5G signal reception, connect compatible TS-9 external antennas to the designated ports on the rear panel.
- Connect Devices:
- Wi-Fi: Look for the Wi-Fi network name (SSID) and password printed on a label on the device (usually on the bottom or back). Connect your Wi-Fi-enabled devices (smartphones, laptops, etc.) to this network.
- Ethernet: Connect an Ethernet cable from the 2.5GE or GE port on the CPE to your computer, router, or other wired network devices.
- Voice: If using voice services, connect a standard telephone to the RJ11 port.
- Initial Configuration (Optional): For advanced settings, access the device's web interface by typing its IP address (e.g., 192.168.x.x) into a web browser on a connected device. Refer to the device label for the default IP address and login credentials. Alternatively, use the ZTE Smartlife APP for management.

5. Operating Instructions
5.1 Connecting to Wi-Fi
Once powered on, the CPE broadcasts a Wi-Fi network. Use the SSID and password found on the device label to connect your wireless devices. The device supports Wi-Fi 7 (802.11be) for high-speed wireless connectivity across 2.4GHz and 5GHz bands.
5.2 Wired Connections
Utilize the 2.5GE and GE Ethernet ports for stable, high-speed wired connections to computers, gaming consoles, smart TVs, or other network devices.
5.3 Voice Functionality
Connect a standard analog telephone to the RJ11 port to make and receive calls over the 5G network, supporting VoNR, VoLTE, CSFB, and VoIP.
5.4 Special Features
- NFC: For Android phones, simply touch the phone to the NFC area on the router to quickly connect to the Wi-Fi network without manually entering credentials.
- Green Mode: Configure the device to save power through the web interface or ZTE Smartlife APP.
- Preferred Position: This feature helps users find the optimal placement for the CPE to achieve the best signal strength and network performance.
- Device Diagnosis: Provides real-time status of the device and offers solutions for identified issues.
- ZTE Smartlife APP: Manage your CPE settings, connected devices, and monitor network status conveniently from your smartphone.

6. Maintenance
6.1 Firmware Updates
The device supports firmware over-the-air (FOTA) and TR069 updates. Regularly check for and install the latest firmware to ensure optimal performance, security, and access to new features. This can typically be done through the web interface or the ZTE Smartlife APP.
6.2 Cleaning and Care
- Keep the device in a clean, dry environment within the specified operating temperature and humidity ranges.
- Clean the exterior with a soft, dry cloth. Do not use liquid cleaners or aerosols.
- Ensure ventilation openings are not blocked to prevent overheating.
6.3 Resetting the Device
If the device is not functioning correctly, you may perform a factory reset. Locate the reset button (usually a small pinhole) on the device, typically on the bottom. Use a paperclip to press and hold the button for about 10 seconds until the indicators flash. This will restore the device to its factory default settings.
7. Troubleshooting
If you encounter issues with your ZTE G5 Air 5G CPE MC8510D, try the following solutions:
- No Power: Ensure the power adapter is securely connected to both the device and a working power outlet. Check if the power outlet is functional.
- No 5G/4G Signal:
- Verify that the SIM card is correctly inserted and active.
- Relocate the CPE to an area with better cellular signal, ideally near a window.
- Consider connecting external TS-9 antennas if signal strength is consistently low.
- Check the network bands supported by your SIM card provider against the device specifications.
- No Wi-Fi Connection:
- Ensure Wi-Fi is enabled on the CPE (check LED indicators).
- Verify you are using the correct Wi-Fi SSID and password.
- Restart the CPE and your Wi-Fi device.
- Check for any Wi-Fi isolation settings in the web interface.
- Slow Internet Speed:
- Check the 5G/4G signal strength.
- Ensure no other devices are consuming excessive bandwidth.
- Restart the CPE.
- Update the device firmware to the latest version.
- Cannot Access Web Interface:
- Ensure your device is connected to the CPE via Wi-Fi or Ethernet.
- Verify the IP address entered in the browser is correct.
- Try clearing your browser's cache or using a different browser.
- If you forgot the password, perform a factory reset (see Section 6.3).
8. Specifications
8.1 General
| Model | MC8510D |
| Brand | ZTE |
| Origin | Mainland China |
| Certification | CE, FCC, RoHS |
| Application | Home, Business |
| With Modem Function | Yes |
8.2 Cellular Network
| 3GPP Release | LTE R15; NR R16 |
| Network | 5G NR SA&NSA, Support 5G NR CA, LTE FDD/TDD, UMTS |
| Modulation | Sub6G DL: 256QAM / UL: 256QAM, LTE DL: 256QAM / UL: 256QAM |
| Bandwidth (Sub6G) | 40MHz, 50MHz, 60MHz, 80MHz, 90MHz, 100MHz |
| Frequency Bands (5G SA+NSA) | n1/3/7/8/20/28/38/40/41/75/77/78 |
| Frequency Bands (4G LTE) | B1/3/7/8/20/28/32/38/40/41/42/43 |
| Frequency Bands (3G UMTS) | B1/2/5/8 |
| 2G Bands | Not Supported |
| MIMO for Wireless | 5G+4G support 4MIMO |
| Default Antenna | Internal antenna for all bands |
| Antenna Gain (600-960MHz) | 1-1.5dBi |
| Antenna Gain (1400-2700MHz) | 2-2.5dBi |
| Antenna Gain (3300-5000MHz) | 4dBi/10dBi |
| External Antenna Port Bands | B38/40/41/42/43, N38/40/41/77/78 |
| Theoretical Max Rate (5G ENDC LTE FDD + Sub6G) | DL 3.86 Gb/s, UL 280 Mb/s |
| Theoretical Max Rate (5G SA) | DL: 4.29 Gb/s, UL: 320 Mb/s |
| Theoretical Max Rate (4G LTE FDD) | DL 1.6Gb/s, UL 200Mbp (CAT19/CAT18) |
| Theoretical Max Rate (4G LTE TDD) | DL 1.12Gb/s, UL 40Mb/s |
| Theoretical Max Rate (3G WCDMA CS) | UL 64kbps/DL 64kbps |
| Theoretical Max Rate (3G WCDMA PS) | UL 384kbps/DL 384kbps |
8.3 Wi-Fi Network
| Standard | WiFi 7, 802.11b/g/n/a/ac/ax/be |
| Band & MIMO | 2*2 MIMO for both 2.4G&5G |
| Speed (2.4GHz) | 688Mbps |
| Speed (5GHz) | 2882Mbps |
| Total Aggregate Speed | Up to 3570 Mbps |
| Bandwidth (2.4G) | 20M/40M |
| Bandwidth (5G) | 20M/40M/80M/160M |
| Modulation | 11be up to 4096QAM |
| Default Antenna | Internal antenna for all bands |
| Antenna Gain (2.4GHz) | 1.5 dBi |
| Antenna Gain (5GHz) | 2.5 dBi |
| Max Connected Devices | Up to 128 |
8.4 Interface
| RJ45 Interfaces | 1 x GE & 1 x 2.5GE |
| RJ11 Interface | 1 |
| USB Interface | 1 x Type-C USB3.1 |
| External Antenna Ports | 2 * TS-9 |
| USIM/SIM Slot | 4FF 3V/1.8V SIM card |
8.5 Environment Specifications
| Ingress Protection | IP30 |
| Operating Temperature | 0-40℃ |
| Storage Temperature | -40 to 70° C |
| Humidity | 5%~95% (Non-condensing) |
8.6 Software Features
- Device Modes: Automatic (wireless/wire auto switch), Dual WAN, Hybrid, Wireless, Bridge, Cable Broadband
- IP Networking: IPv4/IPv6 dual stack (NDP IPv6), DHCP server, VPN pass-through (L2TP/PPTP/IPSec), VPN L2TP, VPN PPTP, VPN IPSec, VPN GRE, NAT/NAPT, Sip ALG, Multiple APNs
- Firewall: Port Forwarding, Port Filtering, Port Mapping, Domain Filtering, UPnP, DMZ, Remote Access/Ping switch, MAC address filtering
- Wi-Fi Features: Wi-Fi Switch, Bandsteering, Security modes (WPA-PSK/WPA2-PSK, WPA2-PSK/WPA3-PSK, WPA2-PSK), Wi-Fi Broadcast, Wi-Fi Isolation, Auto channel selection, WPS, EasyMesh, GuestSSID support, Wi-Fi Sleep Mode
- Voice Features: VoNR, VoLTE, CSFB, VoIP
- Device Management: Connected device Management, SMS, PIN/PUK management, APN management, Lock Frequency/Lock Cell, TR069 with TR181 data model default, Upgrade (FOTA/TR069), ZTE Smartlife APP, Multiple languages, Remote access on bridge mode
- Special Features: Green Mode, Preferred Position, NFC, Device Diagnosis, PC/Phone/PAD WebUI management self-adaptation, OpenWrt

9. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the documentation provided with your purchase or contact the vendor/manufacturer directly. Keep your proof of purchase for warranty claims.





