Back in the 1980s and 1990s, the Radio Shack Lamp Module series was one of the most memorable names among smart home enthusiasts. Simply plug a Lamp Module into a wall outlet, connect a table lamp to the module, and you could use a remote control to turn that late‑night reading lamp on and off from across the room.
These modules typically operated on the X10 smart home protocol, sending 120 kHz radio frequency signals through household power lines to deliver ON/OFF and dimming commands to the corresponding Lamp Module. At the press of a button, the lamp instantly responded – a magical experience that opened many people’s eyes to the possibilities of “smart home” technology.
The Plug ‘N Power X10 Remote Control Center (model 61‑2677C) from Radio Shack was a classic kit, including one remote control console and two Lamp Modules for wireless lighting control. In some security systems, Lamp Modules even added a unique trigger mode – when an alarm was activated, the connected lamp would flash repeatedly, serving as a visual deterrent. The system could control up to 16 combinations of lights and appliances.
However, the X10 protocol had significant limitations. Most control signals traveled through power lines, making them susceptible to instability and interference on complex or noisy household power grids – response delays were common. The remote control range was also very limited, generally confined to one room, making it difficult to scale to more demanding applications.
The Lamp Module of yesteryear was certainly a breakthrough, but today’s remote control requirements go far beyond “turning on a light in another room.” The Internet of Things (IoT), smart factories, remote monitoring, and large‑scale commercial lighting demand much more from wireless communication: ranges from centimetres to tens of kilometres, simple point‑to‑point control vs. complex system networking, ultra‑low power vs. high output power. These diverse needs are now the key drivers of next‑generation wireless technology.
The physical distance limitations of the past have disappeared. Sub‑1 GHz wireless technologies – combining high‑sensitivity reception, high‑power transmission, and strong anti‑interference capabilities – have transformed simple on/off switching into true long‑range real‑time remote control. From home environments to industrial applications, outdoor projects, commercial buildings, and large public facilities, wireless remote control has become ubiquitous, with reliability and stability far surpassing the old X10 era.
Coral RF is a leading designer and manufacturer of wireless communication modules, dedicated to providing high‑performance Sub‑1 GHz and 2.4 GHz RF modules and wireless dongles for IoT, smart devices, and industrial control applications. Their product portfolio covers 169 MHz, 433 MHz, 868 MHz, 915 MHz, 2.4 GHz, and other frequency bands, with flexible interfaces such as SPI, AT commands, and support for mainstream development platforms.
Using Coral RF’s modules, you can design a lightweight, long‑range, low‑power, and easily expandable wireless remote control system – one that turns a modern “Lamp Module” into a solution capable of everything from home lighting control to industrial remote switching.
Coral RF’s N5 series is built around the Texas Instruments CC1125 high‑performance narrow‑band transceiver. It is ideal for applications requiring long distance, high reliability, such as lighting control and security monitoring. Two key high‑power models – N517BS (+30 dBm / 1 W) and N518BS (+33 dBm / 2 W) – are designed specifically for long‑range control. Both feature receiver sensitivity down to ‑126 dBm, data rates up to 200 kbps, and support for global ISM bands (169/433/868/915 MHz).
With a typical antenna configuration, the N517BS achieves an open‑field communication distance of over 10 km, while the N518BS can reach more than 15 km (up to 18 km). Using an Arduino, STM32, or Raspberry Pi as the host controller, a single N517BS receiving module can drive a relay to create a wireless light controller that covers several square kilometres – ideal for campus‑wide or large‑farm lighting management.
Coral RF also offers USB dongles for easy integration: N534AP (CC1310, 14 dBm), N537BP(CC1312R + CC1190, 27 dBm), and N538EP (CC1314R10 + PA, 2 km+ range). These dongles can receive remote control signals and connect to a PC or gateway, enabling various private network solutions.
For small to medium buildings or home environments, Coral RF’s medium‑power modules offer an optimal balance between performance and cost. For example, the N511BS‑B (+15 dBm) delivers ‑123 dBm sensitivity, easily covering a whole apartment or a smart lighting network. The N515BS‑B (+25 dBm) increases output power to about 300 mW, achieving ranges of up to 2 km.
Beyond long‑range point‑to‑point control, modern lighting systems often require complex mesh networking capabilities. Coral RF’s 2.4 GHz Zigbee modules (e.g., N706AS based on CC2652) are designed for smart lighting controllers, HVAC systems, and building automation. They support Zigbee 3.0 PRO and Thread protocols, making them ideal for large‑scale mesh networks spanning hundreds of smart bulbs and commercial lighting fixtures.
For ultra‑low power, ultra‑long‑range applications, Coral RF also provides high‑performance LoRa modules (e.g., N401AS based on SX1262), perfect for remote field monitoring and lighting signal backhaul.
Coral RF’s extensive USB dongle product line offers seamless integration and user experience. Simply plug an N534AP or N537BP into a PC’s USB port, and the dongle can receive ON/OFF and dimming data from the wireless modules. You can then create a PC‑based monitoring interface, log data, and implement complex rule‑based scripts – no separate gateway required.
For smart lighting prototyping or OEM development, Coral RF also provides USB gateway options such as the N537BP series, which can be used as a packet sniffer for protocol analysis and data capture.
All modules are built on a rigorous 4‑layer PCB with optimised impedance matching and have undergone comprehensive anti‑interference validation, ensuring stable and reliable performance in real‑world RF environments.
All Coral RF wireless modules are manufactured in strict compliance with international environmental standards, fully RoHS and Halogen‑Free certified. For key export markets (EU and US), most modules are designed to meet RED and FCC requirements, significantly reducing the compliance burden for end‑product manufacturers. Coral RF modules widely support 169 MHz, 433 MHz, 868 MHz, and 915 MHz license‑free bands, facilitating global deployment.
In large commercial parks or university campuses, embed N517BS wireless modules into lighting controllers. Using a wireless switch, remote control, or gateway, facility managers can turn on/off or dim overhead lights, landscape lighting, or advertising signs within a radius of 2‑3 km. The N518BS can cover even greater distances, ideal for centralised management of multiple building complexes.
Use a Coral RF N511BS‑B module as the receiver and an N534AP USB dongle as the PC‑based transmitter. With a simple web page on a smartphone, users can send ON/OFF commands via the dongle. Automate actions on the PC – e.g., turn off all lights when leaving home, or automatically turn on the entryway spotlight at sunset.
For outdoor cranes, mining equipment, or tethered drone base stations, use N518BS (2 W) modules to receive control commands from an industrial PC or N537BP USB dongle. Operators can safely turn warning lights and floodlights on/off from a distance, improving safety when working near high‑voltage or hazardous areas.
Combine N511BS‑B modules with perimeter infrared intrusion detectors. When a sensor is triggered, the module immediately sends a wireless command to flash all area lights and sound an audible alarm, alerting security personnel to the exact location. With multiple units deployed on different channels, response coverage can reach hundreds of metres.
China Sales Compliance: Any end device that integrates a wireless module and is sold or used in China must obtain SRRC type approval (including a unique CMIIT ID) for the complete product. Non‑compliant products face confiscation and fines. If you plan to export to China, plan the SRRC certification process well in advance.
Export Compliance: For products exported outside China (e.g., EU, US), the final product must comply with local regulations (EU RED, US FCC, etc.). Coral RF modules are fully RoHS and Halogen‑Free compliant, facilitating your export certification process.
Parameter Disclaimer: Stated communication distances are typical values measured in open‑field conditions. Actual performance depends on antenna gain, environmental obstacles, electromagnetic interference, and power supply quality. Always perform thorough field tests in the target application environment.
From the Radio Shack Lamp Module that first brought wireless light control into the home, to today’s Coral RF high‑performance Sub‑1 GHz modules delivering longer range, lower power, and higher reliability for industrial, commercial, and consumer applications – remote control technology has made a giant leap forward.
Coral RF offers a wide selection: from low‑power / low‑data‑rate modules to high‑power / ultra‑long‑range options (up to 15 km+). With USB dongles, SPI interfaces, Zigbee, LoRa, and multiple networking strategies, Coral RF provides a complete, reliable, and controllable one‑stop solution for every user. Coral RF is committed to bringing wireless remote control into every industry and every scenario – making the lights turn on farther away, and putting control exactly where you want it.
Coral RF – Reaching Every Light, Connecting Without Boundaries.
For more product information, technical specifications, or business inquiries, please contact the Coral RF official website for support.