March 16, 2026
PowerG Motion Sensors For Alarm.com: PowerG PG9914 Pet-Immune PIR, PG9984P Dual-Tech
Benefits of PowerG Motion Sensors with Alarm.com
PowerG motion sensors bring professional-grade detection to Alarm.com-based security systems. Unlike consumer-grade WiFi or Z-Wave motion sensors that rely on short-range, congestion-prone wireless protocols, PowerG uses a dedicated, frequency-hopping spread spectrum (FHSS) radio with 128-bit AES encryption. This means the signal between the sensor and your panel is both extremely difficult to intercept and highly resistant to interference from WiFi routers, baby monitors, and other household electronics.
The practical range advantage is significant. PowerG sensors can communicate with your Qolsys IQ Panel up to 6,000 feet in open air — roughly twelve times the range of legacy sensors. That extended range eliminates the need for signal repeaters and allows reliable coverage of detached garages, workshops, and large properties without additional hardware.
Pet immunity is built into every PowerG motion sensor in this lineup, supporting pets up to 85–88 lbs depending on the model. Combined with long battery life (up to 8 years on some models), tamper detection, and supervision signals that confirm the sensor is online, these are sensors designed for set-and-forget reliability.
How PowerG Motion Detection Works
All PowerG motion sensors use passive infrared (PIR) detection as their primary sensing method. A PIR sensor detects changes in infrared radiation — essentially body heat — as a person or animal moves through the sensor’s field of view. The sensor doesn’t emit anything; it passively watches for thermal signatures crossing its detection zones.
DSC’s True Motion Recognition (TMR) algorithm processes the PIR signal to distinguish genuine movement from environmental noise like shifting sunlight, HVAC airflow, or curtains moving near a vent. The sensor analyzes the pattern, speed, and size of the thermal change before deciding whether to trigger an alarm, which dramatically reduces false alarms compared to basic PIR sensors.
For higher-security and false-alarm sensitive applications, dual-technology sensors like the PG9984P add K-band microwave detection alongside PIR. The microwave sensor actively emits a signal and measures the Doppler shift caused by physical movement in the room. An alarm is only triggered when both the PIR and microwave sensors independently confirm motion, making false alarms from environmental factors extremely unlikely. This is particularly valuable in challenging environments with large temperature swings, direct sunlight exposure, or forced-air heating.
Pet immunity works through a combination of optics and software. DSC’s Target Specific Imaging (TSI) technology uses the sensor’s lens arrangement to analyze the vertical position and size of the heat source. Pets typically move low to the ground and present a smaller thermal profile than a standing human. When a snap-on pet immunity mask is installed, the sensor’s lower detection zones are further filtered to ignore motion below a certain height, allowing pets to move freely without triggering alerts.
Top Models and Coverage
Three PowerG motion sensors cover the most common residential and light commercial scenarios. Here’s how they compare:
| Spec | PG9914 | PG9944 | PG9984P |
|---|---|---|---|
| Detection Type | PIR only | PIR + integrated camera | Dual-tech (PIR + K-band microwave) |
| Environment | Indoor | Outdoor (IP55) | Indoor (high-security / harsh conditions) |
| Coverage Area | 39 × 39 ft / 90° | 39 ft detection, 40 ft camera / 90° | 50 ft / 90° |
| Pet Immunity | Up to 85 lbs (38 kg) | Up to 85 lbs (38 kg) | Up to 88 lbs (40 kg) below 3 ft height |
| Battery | 1× CR123A (3V lithium) | 2× CR17450 (3V lithium) | 1× CR123A (3V lithium) |
| Battery Life | 6–8 years | ~3 years | ~5 years |
| Key Feature | Compact, cost-effective, temperature sensing | OctaQUAD PIR, anti-masking, IR camera | Mirror optics, digital temp compensation, lowest false alarm rate |
The PG9914 is the go-to choice for most residential installations. It’s compact, affordable, and its 6–8 year battery life means minimal maintenance. The Fresnel and cylindrical lens arrangement provides uniform detection sensitivity across the full 39-foot range without any vertical angle adjustment needed during installation.
The PG9944 is purpose-built for outdoor use. Its IP55 rating protects against rain and dust, while the OctaQUAD detection system — eight independent PIR sensors each operating as a quad detector — provides exceptional accuracy in challenging outdoor conditions like shifting sunlight, wind-blown debris, and wildlife. The integrated camera captures up to ten images when the system alarms, with the first image forwarded to Alarm.com for visual verification. The trade-off is a shorter battery life of approximately three years due to the camera and more complex detection hardware.
The PG9984P delivers the lowest false alarm rate of the three thanks to its dual-technology design. Because both the PIR and microwave sensors must independently confirm motion before an alarm triggers, environmental false alarms are virtually eliminated. Its elliptical parabolic mirror optics and Obsidian Black Mirror reflective surface filter out white light interference, and digital temperature compensation continuously adjusts sensitivity so detection remains reliable even when room temperature approaches body temperature. This sensor is ideal for areas where false alarms would be particularly disruptive, such as rooms with large windows, forced-air vents, or temperature extremes.
Installation and Configuration Guide
PowerG motion sensors are designed for straightforward DIY installation. Each sensor enrolls to your Qolsys IQ Panel wirelessly — open the sensor to trigger its tamper, and the panel will detect the enrollment signal and walk you through adding it. No wiring is required.
For mounting, the general guidelines apply to all models: install the sensor 7–8 feet above the floor in a corner or on a flat wall, aimed so the detection pattern covers the area you want to protect. Avoid pointing the sensor directly at windows where direct sunlight could cause false triggers, and keep it away from heat sources like radiators, fireplaces, and HVAC vents that blow directly toward the sensor.
If you have pets, install the snap-on pet immunity mask that ships with the PG9914 and PG9984P. The mask attaches to the front of the sensor and physically blocks the lower detection zones so that motion near the floor is ignored. Make sure the sensor is mounted at the recommended height — mounting too low reduces the effectiveness of the pet mask, and mounting too high can create blind spots.
The PG9914 includes a sensitivity jumper on the circuit board that lets you choose between high and low sensitivity. High sensitivity is appropriate for most installations. Low sensitivity can help in rooms where environmental conditions cause occasional false triggers even with proper placement. The PG9984P offers similar sensitivity adjustments through its microwave range setting, which controls how far the microwave detection extends into the room.
For detailed installation steps, refer to the PG9914 product documentation or the PG9984P product documentation on our support forum.
Pet Immunity and Sensitivity Adjustment
Pet immunity on PowerG sensors works through a combination of optical masking and intelligent signal processing, but it has limits worth understanding. The snap-on pet immunity mask physically blocks the sensor’s lower detection zones, preventing motion below a certain height from reaching the PIR element. DSC’s Target Specific Imaging (TSI) algorithm then analyzes any remaining signals to differentiate between the thermal profile of a human and a pet.
For the PG9914, pet immunity is rated up to 85 lbs (38 kg) with the mask installed and the sensor mounted at the recommended height. The PG9984P handles pets up to 88 lbs (40 kg) below the 3-foot height line, dropping to 42 lbs (19 kg) for activity above 3 feet — so a large dog standing on its hind legs or jumping on furniture may trigger the sensor even with the mask installed.
If you have pets above 40 lbs and experience false alarms, there are a few options. First, verify the sensor is mounted at the correct height of 7–8 feet. Second, use the low sensitivity setting if available. Third, consider the PG9984P’s dual-technology detection, since the microwave sensor adds a second layer of confirmation that significantly reduces pet-related false alarms. Finally, sensor placement matters — aim the sensor so pet traffic areas (hallways, pet doors, favorite resting spots) are near the edges of the detection pattern rather than directly in front of the sensor.
After any adjustment, always run a walk test to confirm the sensor still reliably detects human motion. You can trigger a walk test from your Alarm.com app or through your panel’s installer menu. For more on sensitivity settings, see the PG9914 sensitivity discussion on our forum.
Troubleshooting False Alarms and Updates
False alarms from motion sensors usually come down to placement, sensitivity, or environmental factors. Here’s a systematic approach to diagnosing and resolving them.
Run a walk test first. Before changing any settings, use the walk test mode to understand exactly what the sensor is seeing. Walk through the protected area at different speeds and paths. Note whether the sensor triggers consistently for human movement and whether it triggers when no one is moving. This baseline tells you whether the issue is over-sensitivity, environmental interference, or a placement problem.
Check placement fundamentals. The most common cause of false alarms is the sensor facing a heat source or direct sunlight. HVAC vents blowing warm or cool air across the sensor’s field of view can mimic the thermal signature of a person walking past. Relocate the sensor or redirect the vent if possible. Windows with direct afternoon sun exposure are another frequent culprit — closing blinds or repositioning the sensor often resolves the issue.
Review sensitivity settings. If the sensor is correctly placed and still generating false alarms, try switching to the low sensitivity setting. On the PG9984P, you can also reduce the microwave detection range to limit the area being monitored.
Clear tamper conditions. If your sensor shows a tamper alert, open and firmly re-close the sensor housing until the tamper switch clicks. A tamper condition that won’t clear may indicate the sensor isn’t seated properly in its mounting bracket.
Sensor update delays. If you’ve changed a setting on the panel or through Alarm.com but the sensor doesn’t seem to reflect the change immediately, keep in mind that PowerG sensors communicate on a scheduled interval to preserve battery life. Changes may take a few minutes to propagate. For more on this topic, see the PG9914 updating discussion on our forum.
Automation Rules with Motion Sensors
Beyond intrusion detection, Alarm.com motion sensors can trigger automation rules that make your home smarter and more convenient. In the Alarm.com app or customer website, you can create rules using motion detection as a trigger for lights, locks, thermostats, and notifications.
An alternative use case is turning on lights when motion is detected. For example, you can create a rule that turns on your hallway lights when the motion sensor detects activity between 10 PM and 6 AM, then turns them off after five minutes of no motion. This works well for nighttime navigation without fumbling for switches.
Motion sensors can also serve as occupancy indicators for thermostat schedules. If no motion is detected for a set period, a rule can set your thermostat to an energy-saving temperature, then restore your comfort setting when motion resumes.
For security, you can set up a rule to receive a push notification or video clip whenever motion is detected while you’re away, even if the system isn’t armed. This is useful for monitoring activity during specific hours or in areas like a garage or basement that you want to keep an eye on without fully arming the system.
One important configuration option is the ability to arm your system with a motion sensor bypass. Since motion sensors will trigger if anyone moves through the house after arming, many users configure their system to automatically bypass interior motion sensors when arming in Stay mode (home at night) and only activate them in Away mode (leaving the house). This is a standard setting in Alarm.com and can be configured through your panel or by contacting Surety support.
FAQs
Which sensor is best if I have pets over 40 lbs?
The PG9984P is the strongest option for homes with larger pets. Its dual-technology detection (PIR + microwave) provides an additional layer of false alarm prevention beyond what a PIR-only sensor offers. The PG9914 with its pet mask installed also handles pets up to 85 lbs well in most environments, but if your larger pet tends to jump on furniture or stand on hind legs, the PG9984P’s dual confirmation makes false alarms significantly less likely. See the best pet-immune motion detector for pets over 40 lbs discussion on our forum for more community insight.
Can I use a PowerG motion sensor outdoors?
The PG9944 is the only model in this lineup designed for outdoor use, with an IP55 weather resistance rating and specialized OctaQUAD detection to handle outdoor environmental challenges. The PG9914 and PG9984P are indoor sensors and should not be exposed to rain, direct weather, or temperature extremes outside their operating range.
How long do the batteries last?
Battery life varies by model: the PG9914 lasts 6–8 years, the PG9984P approximately 5 years, and the PG9944 approximately 3 years. All models use standard lithium batteries (CR123A or CR17450) that are easy to replace. Your Alarm.com app will notify you when battery levels are getting low, giving you plenty of time to swap them out.
What is the coverage area?
The PG9914 covers up to 39 × 39 feet with a 90° field of view. The PG9984P extends to 50 feet with a 90° field of view. The PG9944 detects at up to 39 feet with a camera range of 40 feet. In practice, a single sensor can cover a typical living room, hallway, or open-plan area. Larger spaces or L-shaped rooms may benefit from a second sensor to eliminate blind spots.
Can I use a wired motion sensor instead?
PowerG sensors are wireless only. If you need to integrate a wired motion sensor with your Qolsys IQ Panel, you would need a wired-to-wireless converter or a panel with wired zone inputs. For most residential installations, PowerG wireless sensors are the simpler and more flexible option, with the added benefits of encrypted communication and long battery life.
How do I choose between the PG9914 and PG9984P for indoor use?
For most homes, the PG9914 is the right choice — it’s smaller, less expensive, and its 6–8 year battery life is the longest in the lineup. Choose the PG9984P if you need the absolute lowest false alarm rate, have a challenging environment (large windows, temperature swings, forced-air heating pointed at the sensor), or have large pets that are active above the 3-foot height line. See the which PowerG motion sensor for residential thread on our forum for more guidance.
Ready to add motion detection to your Alarm.com system? Browse PowerG motion sensors at SuretyHome.com, or ask questions on the Surety support forum — our team and community are happy to help you pick the right sensor for your setup.