# 博客

> GSM 门禁模块的安装指南、故障排除技巧和产品对比。RTU5024、Callny 等。

Canonical: https://gate-opener.app/zh/blog/

GSM 门禁模块的安装指南、故障排除技巧和产品对比。

- [Open Your Gate With Your Phone: GSM Relay Setup in 7 Steps](https://gate-opener.app/blog/open-gate-with-phone-gsm-relay/) - Seven steps to open a gate with your phone: find the push-button input, pick a GSM relay, prepare the SIM, wire it, add your number, lock it down, call to open.
- [How to Add a Phone Number to Your RTU5024 (Step-by-Step)](https://gate-opener.app/blog/how-to-add-phone-number-rtu5024/) - Step-by-step guide to add a new authorized phone number to your RTU5024 GSM gate opener: exact SMS syntax, slot numbering, confirmation reply, and how to fix Password Error and no-reply failures.
- [RTU5024 Default Password: What It Is, How to Change It, How to Reset It](https://gate-opener.app/blog/rtu5024-default-password/) - RTU5024 default password is 1234. How to change it, how to factory-reset if forgotten, and why you must change it before adding authorized users. Exact SMS commands included.
- [Callny G202 PLUS vs RTU5024: Which GSM Gate Opener Should You Buy?](https://gate-opener.app/blog/g202-vs-rtu5024/) - Callny G202 PLUS vs RTU5024: side-by-side on price, SMS protocol, default password, features, and use cases. Pick the right GSM gate opener in five minutes.
- [2G Shutdown Dates by Country: Will Your GSM Gate Opener Still Work?](https://gate-opener.app/blog/2g-shutdown-dates-by-country/) - Confirmed 2G shutdown dates for 14 countries — UK, Netherlands, Germany, France, Spain, Italy, Australia, and more. When your GSM gate opener will stop working and what to upgrade to.
- [Airbnb Gate Access: How to Grant Guests Temporary Gate Codes Without Sharing Your Own](https://gate-opener.app/blog/airbnb-gate-access/) - Four ways to give Airbnb guests temporary gate access without sharing your master code: dedicated SMS, time-limited authorized numbers, smart lock combo, and the GateOpener app.
- [Property Manager Gate Access: Manage Tenants, Cleaners, and Contractors Without the Mess](https://gate-opener.app/blog/property-manager-gate-access/) - Manage gate access across rotating tenants, cleaners, and contractors. Compare physical fobs, shared SMS codes, and per-gate access lists with full audit trails.
- [带应用的门禁开启器：5欧元 vs 300欧元智能门禁系统对比 (2026)](https://gate-opener.app/zh/blog/gate-opener-app-vs-smart-gate-systems/) - 8款门禁系统对比：GateOpener (40欧元) vs Remootio (325欧元)、Palgate、CAME、Nice、BFT、FAAC。3年成本、订阅、隐私分析。
- [Remootio vs GateOpener：哪个门禁系统更值得？](https://gate-opener.app/zh/blog/remootio-vs-gateopener/) - Remootio 3 (325欧元, WiFi) vs GateOpener (5欧元, 蜂窝)：功能对比、3年成本、隐私分析。
- [如何让你的门禁开启器兼容4G（在2G关闭之前）](https://gate-opener.app/zh/blog/future-proof-gate-opener-4g/) - 如何检查模块是否真正支持4G、识别假冒模块、升级到真正的4G硬件，以及为什么GateOpener同时兼容2G和4G。
- [2G关停已至：这对你的门禁开启器意味着什么](https://gate-opener.app/zh/blog/2g-shutdown-gsm-gate-opener/) - 各国2G关停时间表，如何识别假冒4G门禁模块，升级到真正的4G。覆盖欧洲、美国和亚洲，含运营商具体日期。
- [Callny G202 SMS 命令完整参考](https://gate-opener.app/zh/blog/callny-g202-sms-commands-explained/) - Callny G202 SMS 命令完整参考：密码、角色、继电器、KPON、GOT、访问控制、通知、信号。
- [RTU5024 GSM 门禁开启器安装指南](https://gate-opener.app/zh/blog/rtu5024-setup-guide/) - RTU5024 完整安装指南：SIM 卡准备、继电器接线、更改密码、添加用户和测试。逐步 SMS 命令说明。
- [RTU5024 SMS 命令完整参考](https://gate-opener.app/zh/blog/rtu5024-sms-commands-explained/) - RTU5024 SMS 命令完整参考：密码、用户、继电器、GOT 定时、通知、信号。每条命令包含语法、示例和响应。
- [哪种 SIM 卡最适合 GSM 门禁开启器？](https://gate-opener.app/zh/blog/best-sim-card-gsm-gate-opener/) - GSM 门禁开启器 SIM 卡指南：尺寸、预付费与合约、PIN 移除、2G 关闭状态和运营商推荐。
- [RTU5024 故障排除：7 个常见问题及解决方法](https://gate-opener.app/zh/blog/rtu5024-troubleshooting/) - 修复 7 个常见 RTU5024 问题：无网络、Error password、无 SMS 回复、用户被锁定、定时、通知、停止工作。
- [2026 年最佳 GSM 门禁模块：完整对比](https://gate-opener.app/zh/blog/best-gsm-gate-opener-2026/) - RTU5024 vs Callny G202：用户数、继电器、访问控制、SIM、4G、价格。哪款最适合你？
- [GSM 门禁开启器如何工作？简单说明](https://gate-opener.app/zh/blog/how-gsm-gate-opener-works/) - GSM 门禁如何工作：信号路径、SMS、GSM vs WiFi vs 蓝牙、组件和用途。
- [RTU5024 4G vs 2G：你需要 LTE 版本吗？](https://gate-opener.app/zh/blog/rtu5024-4g-vs-2g/) - RTU5024 4G vs 2G：相同命令、不同调制解调器。2G 状态、何时买 4G、迁移步骤。
- [Callny G202 PLUS 安装指南](https://gate-opener.app/zh/blog/callny-g202-setup-guide/) - Callny G202 PLUS 设置：nano SIM、字母数字密码、自动分配、用户角色、定时。
- [如何为客人和快递员提供临时门禁](https://gate-opener.app/zh/blog/temporary-gate-access-guide/) - 临时门禁 RTU5024 和 Callny：手动、自动过期、计数、周计划。