Huawei B525s-23a - User Manual

The HUAWEI B525s-23a LTE CPE (B525s-23a) is a versatile wireless gateway designed to provide flexible and diversified data access and voice services by integrating LTE and high-speed Ethernet uplink access. This device supports both wired and wireless network access and offers data routing services, making it suitable for various home and office environments.

Function Description

The B525s-23a serves as a central hub for internet connectivity, supporting a wide range of mobile network standards including LTE, DC-HSPA+, HSPA+, HSUPA, HSDPA, UMTS, EDGE, GPRS, and GSM. This extensive compatibility ensures robust connectivity across different network infrastructures and regions. For LTE, it supports various frequency bands, including FDD (2100 MHz, 1800 MHz, 2600 MHz, 900 MHz, 800 MHz, 1500 MHz) and TDD (2600 MHz), with support for intra-band and inter-band contiguous carrier aggregation.

Beyond mobile networks, the device also provides access to Gigabit Ethernet networks, allowing for high-speed wired connections. It complies with wireless 802.11b/g/n standards, offering data rates up to 300 Mbit/s, and also supports 802.11a/ac standards for even higher data rates, up to 1300 Mbit/s. This dual-band Wi-Fi capability ensures broad compatibility with various wireless devices and optimized performance.

The B525s-23a offers a comprehensive suite of services, including data services for internet access, voice services for making calls, and SMS for text messaging. It also incorporates security services to protect users from potential threats and intrusion attempts. For local management, the device provides a user-friendly interface for configuration and monitoring.

Usage Features

The B525s-23a is designed for ease of use and offers several features to enhance the user experience. For connectivity, it includes multiple external ports: one power adapter port, three LAN ports (RJ45), one LAN/WAN port (RJ45), one phone port (RJ11), and two external LTE antenna ports (SMA-J1.5). It also features a micro-SIM card slot and a USB 2.0 port that supports a maximum current of 500mA.

The device comes with built-in antennas for LTE/UMTS/GSM (primary and secondary), WLAN 2.4G, and WLAN 5G, ensuring reliable wireless performance. For users in areas with weak signals, an optional external antenna can be connected to improve reception, particularly when placed near a window.

User-friendly LED indicators provide clear visual feedback on the equipment's status, including power, Internet status, WLAN/WPS, LAN, and signal strength. Physical buttons for Power ON/OFF, WPS, and Reset offer convenient control over the device.

The B525s-23a supports various software features that contribute to its functionality. As a gateway, it handles default routing, ARP, ICMP, and DNS. It also includes NAT and NAPT capabilities, supporting CONE NAT and fragmented message identification. The built-in DHCP server can be enabled or disabled, allowing configuration of address pools and lease times.

For voice services, the device is compatible with RJ11 telephone ports and can be configured for Voice over Internet Protocol (VoIP) or Circuit Switch (CS) voice modes. It supports SIP and various audio codecs (G.711a/G.711u/G.726/G.722). CS voice communication is supported over UMTS and GSM networks, along with circuit switched fallback (CSFB).

SMS functionality includes writing, sending, receiving, and group sending (up to 50 contacts). Messages can be managed through the Web page, with support for inbox, outbox, and draft folders.

Security features are robust, including a firewall that can be enabled or disabled, MAC address filtering, LAN IP filtering, and URL filtering. It supports DMZ, Universal Plug and Play (UPnP), and Application Level Gateway (ALG). WLAN security is comprehensive, with support for OpenSystem authentication, WEP, WPA/WPA2-PSK, WPA2-PSK, AES, and TKIP/AES hybrid encryption. MAC address authentication includes both whitelist and blacklist functionalities, supporting up to 10 MAC address entries.

The device supports IPv4/IPv6 dual stack, with DHCPv6/v4 server and client, and DNSv6/v4 server and client. It can display IPv6/v4 WAN addresses.

Maintenance Features

Maintenance and management of the B525s-23a are streamlined through several integrated features. The device supports HOTA (Huawei Over-the-Air) updates, ensuring that the firmware can be easily kept up-to-date with the latest improvements and security patches.

A built-in DHCP Server, DNS RELAY, and NAT simplify network configuration and management for connected devices. The device also provides security services that offer instant protection against potential security risks and intrusion attempts, contributing to a stable and secure network environment.

The HUAWEI HiLink App offers a convenient way to manage the device, allowing users to view data traffic usage, manage SMS, control connected devices, and change the CPE's SSID and password from their mobile devices.

The B525s-23a is compatible with various operating systems, including Windows 7, Windows 8, Windows 8.1, Windows 10 (excluding Windows RT), and MAC OS X 10.7, 10.8, 10.9, and 10.10 with the latest upgrades, ensuring broad compatibility for management and usage. The user-friendly design of the LED indicators makes it easy to observe the status of the equipment at a glance, simplifying troubleshooting and monitoring.

WLAN station management features allow users to query station status and support a maximum of 32+32 connected stations, facilitating network oversight. The device also supports automatic transmission rate adjustment for optimal wireless performance.

Local configuration through the Web page provides a comprehensive interface for device management, network configuration, and ensuring normal and stable performance, making it easy for users to customize settings and maintain their network.