RS9116W-DB00-CC1-B2A - Dual-Band Wi-Fi + BT5 Module | Silicon Labs
MPN: RS9116W-DB00-CC1-B2A β Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $19.5 | $19.50 |
| 10 | $17.8 | $178.00 |
| 100 | $16.2 | $1,620.00 |
| 500 | $14.9 | $7,450.00 |
| 1,000 | $13.6 | $13,600.00 |
RS9116W-DB00-CC1-B2A Overview
A Wi-Fi module is a self-contained wireless subsystem that integrates the radio transceiver, RF front end, baseband, and protocol stacks on a certified PCB module, sitting within the broader hierarchy of RF transceivers, wireless connectivity ICs, and embedded networking components. Certified modules such as the RS9116W family dramatically shorten regulatory approval cycles because module-level certifications (FCC, IC, ETSI/CE) can be leveraged by the end product.
Key features of the RS9116W-DB00-CC1-B2A include dual-band operation covering 2412 MHz to 2484 MHz and 4900 MHz to 5975 MHz, 802.11n high-throughput modes, and Bluetooth 5 dual-mode (BR/EDR and LE) concurrency. The module offers high throughput with power-optimized performance and extended range, making it suitable for battery-sensitive IoT designs.
Technically, the RS9116W operates as an NCP: the host MCU sends commands over UART, SPI, or SDIO while the module runs the TCP/IP and security stacks, freeing host flash and RAM. Alternatively, the networking stack can be bypassed for raw-packet operation when the host runs its own stack.
Typical applications include industrial gateways, smart meters, connected home hubs, and asset-tracking devices that need robust dual-band Wi-Fi alongside Bluetooth LE provisioning or beaconing.
Design consideration: because this variant does not include an antenna, the RF layout requires a well-controlled 50-ohm feed to an external antenna connector or PCB antenna; follow the Silicon Labs reference design for matching network placement.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for RS9116W-DB00-CC1-B2A β same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with RS9116W-DB00-CC1-B2A (same form factor and footprint) β differing in Bluetooth Version.
Quick Comparison Tool β Select alternative parts for side-by-side comparison:
RS9116W-DB00-CC1-B2B
β Drop-Inπ Reference alternative (not in catalog)
RS9116W-DB00-CC0-B2A
β Drop-Inπ Reference alternative (not in catalog)
RS9116W-DB00-CC1-B2A Specifications
| RF Protocol | 802.11 a/b/g/n, Bluetooth 5 dual-mode |
| Frequency Band | 2.4 GHz and 5 GHz (dual band) |
| Operating Frequencies | 2412 MHz to 2484 MHz / 4900 MHz to 5975 MHz |
| Wi-Fi Standard | 802.11 a/b/g/n |
| Bluetooth Version | Bluetooth 5 (dual-mode BR/EDR + LE) |
| Host Interfaces | UART, SPI, SDIO |
| Antenna | Not included (external antenna required) |
| Package | 155-pin LGA, surface mount |
| Mounting Type | Surface Mount |
| Packaging | Tray |
| Type | Transceiver Module (Network Co-Processor) |
| Certifications | FCC, IC, ETSI/CE |
RS9116W-DB00-CC1-B2A 155-pin lga, surface mount Pin Configuration Guide
Pin configuration for RS9116W-DB00-CC1-B2A (155-pin lga, surface mount package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for RS9116W-DB00-CC1-B2A.
Refer to the datasheet for full pin configuration.
Typical Applications
RS9116W-DB00-CC1-B2A is suitable for 6 applications: Industrial IoT Gateways, Smart Metering and Utilities, Smart Home Hubs and Controllers, Asset Tracking and Telematics, Medical and Health Monitoring Devices, Security Cameras and Surveillance.
Industrial IoT Gateways
The RS9116W-DB00-CC1-B2A fits industrial gateways where 2.4 GHz spectrum is congested by machinery and legacy Wi-Fi. Its dual-band 802.11 a/b/g/n operation lets the gateway use the cleaner 5 GHz band (4900-5975 MHz) for backhaul while Bluetooth 5 LE handles local provisioning from a phone. As a Network Co-Processor running full TCP/IP and security stacks over UART, SPI, or SDIO, it lets designers use a low-cost MCU instead of a Linux-class processor, cutting BOM cost and power. Silicon Labs' FCC, IC, and ETSI/CE module certifications also shorten the end product's regulatory approval, a significant factor in industrial release schedules.
Recommended
Smart Metering and Utilities
Smart meters benefit from the RS9116W-DB00-CC1-B2A's power-optimized performance and extended range, both highlighted by Silicon Labs for this module. Metering deployments often sit in basements or metal cabinets where 2.4 GHz propagation is poor; the 5 GHz band's wider channels and 802.11n throughput compensate with faster, more reliable bursts that let the radio return to sleep sooner, directly extending battery life. The dual-mode Bluetooth 5 radio enables field commissioning via smartphone without opening the enclosure. With the networking stack offloaded to the module via SDIO or UART, the metering SoC retains its resources for metrology and encryption tasks.
Recommended
Smart Home Hubs and Controllers
Home hubs need both radios: Wi-Fi to the router and Bluetooth 5 LE for device onboarding, beaconing, and phone app connectivity. The RS9116W-DB00-CC1-B2A integrates both in one FCC/IC/ETSI-certified package, so hub makers avoid a second radio module, a second antenna, and duplicate certification costs. Dual-band Wi-Fi matters in homes saturated with 2.4 GHz devices (cameras, bulbs, speakers); connecting the hub at 5 GHz keeps cloud latency low. The module's SDIO host interface supports higher-throughput hub applications, while the bypassable network stack lets hubs running their own Linux stack use the radio as a raw MAC/PHY.
Recommended
Asset Tracking and Telematics
Asset trackers deployed in warehouses and vehicles use the RS9116W-DB00-CC1-B2A to report location and telemetry over facility Wi-Fi while Bluetooth 5 LE tags nearby infrastructure for indoor positioning. The module's extended-range, power-optimized RF profile suits battery-powered trackers that transmit in short bursts. Silicon Labs' docs confirm the host link options (UART, SPI, SDIO) that map cleanly onto low-power MCU tracker designs. Because the module is pre-certified (FCC, IC, ETSI/CE), tracker vendors avoid per-SKU radio recertification when shipping globally - a major cost advantage in high-volume, low-margin tracking hardware.
Recommended
Medical and Health Monitoring Devices
Connected health devices such as patient monitors and portable diagnostic instruments use the RS9116W-DB00-CC1-B2A to stream vitals over hospital Wi-Fi networks, which increasingly operate at 5 GHz to escape crowded 2.4 GHz bands. The module's NCP architecture keeps patient-data encryption and networking on the module while the medical-grade host MCU focuses on signal acquisition and safety logic via UART or SPI. Dual-mode Bluetooth 5 supports wearable pairing and bedside configuration. Certified module-level FCC/IC/ETSI approvals simplify compliance for devices that already face lengthy medical regulatory cycles, saving weeks in overall time-to-market.
Recommended
Security Cameras and Surveillance
Wireless security cameras require sustained video uplink throughput, making the RS9116W-DB00-CC1-B2A's 802.11n high-throughput modes and 5 GHz band (4900-5975 MHz) a strong fit: the 5 GHz band offers wider channels and less interference in camera-dense installations. Silicon Labs describes this module as offering high throughput with power-optimized performance - valuable for battery or PoE-bud cameras. The SDIO host interface provides the bandwidth camera SoCs need, and the bypassable network stack allows camera firmware to manage streams directly. Bluetooth 5 LE enables setup via smartphone app without wired Ethernet.
Recommended
Recommended Products Summary
Engineering reference data for RS9116W-DB00-CC1-B2A β comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | RS9116W-DB00-CC1-B2B | RS9116W-DB00-CC0-B2A |
|---|---|---|---|
| Package | 155-pin LGA, surface mount | 155-pin LGA - same | 155-pin LGA - same |
| Brand | Silicon Labs | Silicon Labs | Silicon Labs |
| Wi-Fi Standard | 802.11 a/b/g/n | 802.11 a/b/g/n | 802.11 b/g/n |
| Bluetooth | Bluetooth 5 dual-mode | Bluetooth 5.0 | Bluetooth 5 dual-mode |
| Host Interfaces | UART, SPI, SDIO | UART, SPI, SDIO | UART, SPI, SDIO |
Key Differentiators
- True dual-band 5 GHz coverage (vs RS9116W-DB00-CC0-B2A)
- Fresher product revision (vs RS9116W-DB00-CC1-B2B)
- Single certified package for two radios (vs Qualcomm QCA9377 (functional equivalent))
Design Notes
This variant ships with antenna not included, so the RF feed is fully the designer's responsibility. Route a controlled 50-ohm microstrip from the module RF pad to the external antenna connector (U.FL or SMA), with a ground keep-out directly under the trace and a pi-matching network (series 0 ohm plus two shunt pads) reserved even if the datasheet matching is used unmodified. Follow the Silicon Labs RS9116 reference design land pattern for the 155 LGA pads; module certification is only transferable to the end product when the antenna and layout match the reference conditions.
Dual-band 802.11n transmit bursts draw high peak currents from the module supply. Place a bulk capacitor (at least 10 uF ceramic) close to the module supply pins plus 0.1 uF decoupling at each power pad, and ensure the upstream regulator can handle peak transmit current without drooping - supply sag during TX bursts manifests as Wi-Fi disconnects or degraded sensitivity. Verify the exact peak current figures in the RS9116 CC1 datasheet (login required on silabs.com) before finalizing the regulator selection and decoupling budget.
When using the SDIO host interface for high-throughput 802.11n traffic, keep SDIO traces short (under 50 mm), match clock to data within the controller spec, and route away from the RF feed to avoid desense. For SPI/UART designs the constraints are looser, but ground the host interface return path properly. Silicon Labs documentation at docs.silabs.com/rs9116 confirms all three host interfaces (UART, SPI, SDIO) run the full command set; choose SDIO only if your throughput budget requires it.
Compliance Information
Module is FCC, IC, and ETSI/CE certified per Silicon Labs product page. RoHS/REACH status not stated in provided data - verify on Silicon Labs product page.
