CC1101RGPR - Sub-1GHz RF Transceiver 20-VFQFN | Texas Instruments
MPN: CC1101RGPR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.5 | $7.50 |
| 10 | $6.85 | $68.50 |
| 100 | $5.92 | $592.00 |
| 500 | $5.18 | $2,590.00 |
| 1,000 | $4.45 | $4,450.00 |
CC1101RGPR Overview
A sub-1 GHz transceiver is a radio integrated circuit that transmits and receives digital data over industrial, scientific, and medical (ISM) frequency bands below 1 GHz. These bands are favored for low-power wireless links because they offer longer range and better wall penetration than 2.4 GHz alternatives at the expense of lower data rates. The CC1101 belongs to the broader family of wireless connectivity ICs alongside Wi-Fi, Bluetooth, and Zigbee transceivers, but occupies the niche of ultra-low-power, narrow-band, long-range sensor and command links.
Key features include an integrated packet handler with 64-byte TX/RX FIFOs, CRC-16 hardware acceleration, whitening/de-whitening, address filtering, and AES-128 optional encryption via a coprocessor interface. Sensitivity reaches −110 dBm at 1.2 kbps (868 MHz), and output power is programmable up to +12 dBm. The SPI control interface operates from a separate digital supply, allowing the analog/RF section to remain active while the host MCU sleeps, achieving <200 nA sleep current.
The CC1101 architecture combines a fractional-N PLL synthesizer, a low-IF receiver chain with programmable channel filter bandwidths, and an image-rejection mixer. The integrated PA ramp controller and AGC loops deliver robust performance across temperature, while a continuous frequency synthesizer allows frequency-hopping protocols to be implemented in firmware on the host controller.
Typical applications include wireless sensor networks, smart metering (AMR/AMI), home and building automation, industrial monitoring, remote control systems, wireless alarm and security panels, and active RFID at 433/868/915 MHz. The wide tuning range also supports proprietary narrow-band protocols in medical telemetry and asset tracking.
When designing with the CC1101, allocate sufficient PCB area for the differential RF output matching network and place the crystal reference as close to the chip as possible to avoid pulling. Use a four-layer stack with a continuous ground plane beneath the RF section and short, impedance-controlled traces to the antenna or BALUN.
This page synthesizes distributor pricing, same-package drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet.
Drop-in alternatives for CC1101RGPR — 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 CC1101RGPR (same form factor and footprint) — differing in Package, Product Type, Host Interface, Frequency Bands, Frequency Range.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
CC1101RTKR
✅ Drop-In📋 Reference alternative (not in catalog)
CC1101RGP
✅ Drop-In📋 Reference alternative (not in catalog)
CC1101RGPT
✅ Drop-In📋 Reference alternative (not in catalog)
CC1101RGPR Specifications
| Part Number | CC1101RGPR |
| Manufacturer | Texas Instruments |
| Device Type | Sub-1 GHz RF Transceiver (TxRx Only) |
| Frequency Bands | 300–348 MHz, 387–464 MHz, 779–928 MHz |
| ISM/SRD Bands Supported | 315 / 433 / 868 / 915 MHz |
| Modulation Formats | 2-FSK, 4-FSK, GFSK, MSK, OOK, ASK |
| Maximum Data Rate | 600 kbps |
| Minimum Data Rate | 0.6 kbps |
| Receiver Sensitivity (1.2 kbps, 868 MHz) | -110 dBm |
| Maximum TX Output Power | +12 dBm (programmable) |
| Package | 20-pin VQFN (RGP) with exposed pad, 4x4 mm |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| Sleep Current | <200 nA (typical) |
| Operating Temperature | -40 °C to +85 °C |
| Host Interface | SPI (4-wire) up to 6.5 MHz |
| TX/RX FIFOs | 64-byte each |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| MSL Level | 2 |
CC1101RGPR Pin Configuration
| Pin 1 | DVDD — Digital supply voltage for digital I/O and SPI |
| Pin 2 | DIO2 — General digital I/O / configurable interrupt |
| Pin 3 | DIO3 — General digital I/O / optional TCXO enable |
| Pin 4 | DIO4 — General digital I/O |
| Pin 5 | DGND — Digital ground |
| Pin 6 | RF_P — Differential RF output positive (TX) / input (RX) |
| Pin 7 | RF_N — Differential RF output negative (TX) / input (RX) |
| Pin 8 | AVDD — Analog supply for RF and synthesizer |
| Pin 9 | AGND — Analog ground |
| Pin 10 | XOSC_Q1 — Crystal oscillator pin 1 (or TCXO input) |
| Pin 11 | XOSC_Q2 — Crystal oscillator pin 2 |
| Pin 12 | VREG — Internal regulator decoupling (1.8V output) |
| Pin 13 | DIO5 — General digital I/O / CCA indicator |
| Pin 14 | DIO0 — General digital I/O / GDO0 packet interrupt |
| Pin 15 | DIO1 — General digital I/O / GDO1 FIFO status |
| Pin 16 | CSn — SPI chip select (active low) |
| Pin 17 | SCK — SPI clock input |
| Pin 18 | SI — SPI slave input (MOSI) |
| Pin 19 | SO — SPI slave output (MISO) |
| Pin 20 | SCLK — Optional status / GDO2 |
Typical Applications
CC1101RGPR is suitable for 6 applications: Wireless Sensor Networks (868/915 MHz), Smart Metering (AMR / AMI), Home and Building Automation, Industrial Wireless Monitoring, Remote Control Systems (315/433 MHz), Wireless Alarm and Security Panels.
Wireless Sensor Networks (868/915 MHz)
The CC1101RGPR is the canonical sub-1 GHz transceiver for dense wireless sensor networks in the 868 MHz European and 915 MHz North American ISM bands. Its -110 dBm sensitivity at 1.2 kbps GFSK allows reliable links at ranges exceeding 1 km outdoor with simple whip antennas, while the programmable 58–812 kHz channel filter bandwidths let designers trade-off range against data rate per node. The 64-byte FIFO and on-chip packet handler with hardware CRC-16 offload routine processing from a low-power MCU running duty-cycled firmware, and the <200 nA sleep current allows battery-powered sensor nodes to exceed 10-year coin-cell life.
Recommended
Smart Metering (AMR / AMI)
Utility metering applications including Automated Meter Reading (AMR) and Advanced Metering Infrastructure (AMI) leverage the CC1101RGPR's support for Wireless M-Bus (EN 13757-4) and proprietary 868 MHz protocols. The integrated Manchester encoding, FEC, and address filtering reduce host firmware complexity, while the +12 dBm programmable TX power and -110 dBm RX sensitivity deliver the link budget required for basement-to-street-corner coverage in dense urban deployments. Frequency-hopping across 868.0–868.6 MHz can be implemented in firmware to satisfy duty-cycle regulatory requirements.
Recommended
Home and Building Automation
The CC1101RGPR powers sub-1 GHz links in lighting controls, HVAC zoning, and security peripherals that benefit from superior wall penetration compared to 2.4 GHz systems. Operating at 433 MHz or 868 MHz with 38.4 kbps GFSK, the device provides reliable bidirectional communication with acknowledgement-based retransmission handled by its built-in packet handler. The 4-wire SPI interface operates at up to 6.5 MHz to keep firmware timing tight, and a separate digital supply pin allows the RF section to remain active while the host MCU sleeps.
Recommended
Industrial Wireless Monitoring
Factory floor monitoring of temperature, vibration, and machine-health sensors uses the CC1101RGPR for its noise immunity and deterministic latency in congested industrial environments. The 2-FSK modulation at narrow channel bandwidths rejects adjacent-channel interferers from motor drives and switching converters, while the on-chip AGC maintains sensitivity across varying path loss. The exposed thermal pad of the VQFN-20 (RGP) package provides the ground reference and heat dissipation required for continuous industrial duty cycles from -40 °C to +85 °C.
Recommended
Remote Control Systems (315/433 MHz)
The CC1101RGPR's 300–348 MHz band support makes it suitable for legacy remote control applications at 315 MHz (US) and 433 MHz (ISM) where long range, low cost, and long battery life dominate over data rate. OOK modulation at 4.8 kbps with a 100 kHz channel filter achieves robust reception of intermittent command packets, and the integrated wake-on-radio functionality allows a battery-powered remote to sleep until a valid preamble is detected. The exposed pad package delivers RF grounding necessary for FCC and ETSI compliance.
Recommended
Wireless Alarm and Security Panels
Security system door/window sensors, PIR detectors, and smoke-alarm interconnect radios rely on the CC1101RGPR's reliable sub-1 GHz link with hardware AES-128 encryption via the optional coprocessor interface. The 64-byte FIFO and packet handler minimize host wake-ups, extending CR2032 coin-cell life to over 5 years in typical alarm-sensor duty cycles. Frequency-hopping across multiple channels protects against narrow-band jamming, and the -110 dBm sensitivity at 1.2 kbps delivers the range needed for detached garages and outbuildings.
Recommended
Recommended Products Summary
Engineering reference data for CC1101RGPR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | CC1101RTKR | CC1101RGP | CC1101RGPT |
|---|---|---|---|---|
| Package | VQFN-20 (RGP) 4x4 mm | VQFN-20 (RTK) 4x4 mm - same footprint | VQFN-20 (RGP) 4x4 mm - same | VQFN-20 (RGP) 4x4 mm - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Frequency Bands | 300-348 / 387-464 / 779-928 MHz | Same | Same | Same |
| Maximum TX Output Power | +12 dBm | +12 dBm | +12 dBm | +12 dBm |
| Maximum Data Rate | 600 kbps | 600 kbps | 600 kbps | 600 kbps |
| RX Sensitivity (1.2 kbps, 868 MHz) | -110 dBm | -110 dBm | -110 dBm | -110 dBm |
| Supply Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V |
| Operating Temperature | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C |
Key Differentiators
- Modern RGP package with exposed thermal pad (vs CC1101RTKR)
- Wide multi-band tuning range in one IC (vs CC113LRTKR)
- On-chip packet handler with hardware AES option (vs Generic 433 MHz OOK receivers)
Design Notes
Use a four-layer PCB stack with a continuous ground plane beneath the CC1101RGPR. The exposed thermal pad (EP) MUST be soldered to the ground plane with multiple vias to suppress common-mode RF currents and provide heat dissipation. Place the 26 MHz reference crystal within 5 mm of pins 10-11 and guard it with a ground ring to minimize frequency pulling.
Match the differential RF path from pins 6-7 to the BALUN with 100 ohm differential impedance, and route the matched traces over a continuous ground plane with no breaks. Estimated: a 4-layer 1.6 mm FR-4 stack with 0.2 mm core achieves this with approximately 0.6 mm wide traces. Keep all digital signals away from the RF matching network to avoid LO leakage coupling.
Decouple AVDD (pin 8) with a 100 nF ceramic capacitor placed within 2 mm of the pin, plus a 10 uF bulk capacitor on the supply rail. DVDD (pin 1) requires a separate 100 nF decoupling capacitor. Tie AVDD and DVDD to the same supply rail through a ferrite bead to isolate digital switching noise from the RF section per TI reference design DN013.
Do not leave the VREG pin (pin 12) floating; it requires a 100 nF decoupling capacitor to the internal 1.8V LDO output. Avoid driving CSn high before the supply rail has stabilized at >1.8V, which can corrupt the configuration registers. Reset the device after power-up by issuing the SRES strobe via SPI before any configuration writes.
Compliance Information
RoHS and lead-free compliant per TI product page. Not AEC-Q100 qualified - this is a commercial/industrial grade transceiver.
