Overview of Linear AP-5

The Linear AP‑5 is a wireless access controller featuring a high‑gain superheterodyne receiver that reliably captures MegaCode signals from up to 500 ft․ An optional EXA‑2000 antenna extends range further․ It can store up to 480 MegaCode transmitters and six Model MGT safety‑edge units for homes, offices․

The Linear AP‑5 is a wireless access controller that captures Linear MegaCode signals from up to 500 feet, thanks to its high‑gain superheterodyne receiver․ An optional EXA‑2000 antenna can extend this range further, making the unit suitable for residential, commercial, and industrial gate and barrier applications․ It also supports power options for reliability․ The AP‑5 can store up to 480 MegaCode transmitters, allowing a broad user base to be managed centrally․
With support for up to 480 MegaCode transmitters, the AP‑5 accommodates a broad user base from single‑family homes to multi‑unit complexes․ Each transmitter can be programmed to grant access, allowing administrators to manage permissions centrally․ The controller can also store up to six Model MGT safety‑edge transmitters, enabling seamless integration with safety‑edge systems that monitor door position and prevent accidental closure on occupants or equipment․
Beyond simple gate control, the AP‑5’s versatility covers parking gates, pedestrian barriers, and access points requiring dual‑factor authentication․ Its compatibility with Linear’s 318 MHz MegaCode protocol allows upgrades without replacing legacy hardware, and firmware supports remote updates․
In summary, the Linear AP‑5 offers a reliable, scalable solution for managing access to diverse facilities․ Its robust signal reception, extensive transmitter capacity, and safety‑edge compatibility make it an ideal choice for organizations seeking enhanced security and operational reliability․ It also supports remote firmware updates․
Key Specifications
- Operating Frequency: 318 MHz (Linear MegaCode)
- Receiver Sensitivity: –110 dBm
- Maximum Transmitter Capacity: 480 units + 6 safety‑edge
- Optional Antenna: EXA‑2000 (adds up to 200 ft of range)
- Power Input: 12 V DC, 1 A (±10 %)24 V DC, 0․5 A
- Dimensions: 4․5″ × 3․0″ × 1․0″ (115 mm × 76 mm × 25 mm)
- Weight: 0․8 lb (360 g)
- Mounting: 1/4‑in․ screw holes, back‑plate compatible
- Firmware: OTA‑capable, version 4․2․1
- Compliance: UL, CE, FCC Class B
- Environmental: Operating Temp –20 °C to 50 °C, IP20 enclosure
- Security: AES‑128 encryption, rolling code support
- Backup: 3‑year firmware archive via USB
- Signal Strength Indicator: LED shows reception quality (green to red)
- Backup Power: 12 V DC battery backup for 4 hours during outage
- Warranty: 2‑year limited warranty on controller hardware
- Operating Frequency Band: 310‑320 MHz (Linear MegaCode)
- Signal Encryption: AES‑256 optional for high‑security sites
- Remote Firmware Update: via Ethernet or Wi‑Fi module
- LED Status: Power (green), Signal (amber), Error (red)
- Temperature Range: –10 °C to 60 °C for outdoor use
- Humidity Tolerance: up to 90 % RH (non‑condensing)
- Installation Time: < 30 minutes with pre‑wired kit
- Compliance with local regulations: Supports US, EU, Canada standards, with UL, CE, CSA, and FCC compliance for interference mitigation․

Hardware Components
The AP‑5 houses a 318 MHz superheterodyne receiver, a microcontroller, and a 12 V DC power module․ Optional EXA‑2000 antenna extends range․ Integrated LEDs indicate power, signal, and error status․ The enclosure is IP20, with 1/4‑in․ mounting holes․ Supports 480 transmitters․
Receiver Module
The core of the Linear AP‑5 is its 318 MHz superheterodyne receiver, engineered for robust performance in residential and commercial gate applications․ The unit’s high‑gain front‑end amplifies incoming MegaCode signals, enabling reliable lock‑in from up to 500 ft in typical line‑of‑sight conditions․ Internally, the receiver incorporates a low‑noise amplifier, a band‑pass filter tuned to the 318 MHz band, and a mixer that down‑converts the signal to an intermediate frequency for subsequent demodulation․ The demodulation stage uses a robust envelope detector that extracts the binary data stream from the carrier, feeding it to the AP‑5’s microcontroller for decoding․ The controller’s firmware can store up to 480 unique transmitter codes in non‑volatile memory, allowing a single AP‑5 to support a large fleet of remote devices․ Additionally, the module supports up to six Model MGT supervised safety‑edge transmitters, which are used to trigger safety mechanisms on gate operators․ The receiver’s design includes a built‑in watchdog that monitors signal integrity and automatically resets the demodulation chain if a loss of lock is detected, ensuring continuous operation even in noisy RF environments․ Power is supplied via a 12 V DC input, with a dedicated voltage regulator that maintains stable operation across the 9‑15 V supply range․ The front panel features LEDs that indicate power status, signal strength, and error conditions, providing immediate visual feedback to installers and users․ The receiver’s firmware is updatable via a serial interface, allowing future enhancements and bug fixes without replacing hardware․ Overall, the Linear AP‑5’s receiver module delivers a blend of range, reliability, and flexibility that meets the demands of modern gate control systems․ and more․
Transmitter Compatibility
Linear AP‑5 accepts 318 MHz MegaCode remotes, the same protocol used by Linear Gate Operators; Its memory holds up to 480 unique transmitter codes, allowing a single unit to manage many residential or commercial gates․ The AP‑5 also supports six Model MGT supervised safety‑edge transmitters for emergency stop functions․ Compatible remotes include the Linear 318‑MHz MegaCode Remote, Dual‑Gate Remote, and Dual‑Door Remote․ An optional EXA‑2000 antenna can be attached to the receiver’s antenna port to extend range beyond the standard 500‑ft limit, improving performance in large yards or RF‑dense environments․ All supported transmitters use the same carrier frequency and proprietary MegaCode encoding, ensuring reliable decoding without cross‑talk․ The firmware’s safety‑edge feature automatically disables the gate when a Model MGT transmitter is detected, adding protection for operators and pedestrians․ Because the AP‑5 follows a standardized protocol, it integrates seamlessly into existing Linear gate systems, enabling upgrades without replacing the entire control architecture․
Transmitter pairing is straightforward: press the learn button on the AP‑5, then activate the remote within 30 seconds․ The receiver confirms the code via a green LED flash․ The AP‑5 displays a light during learning․ Users can also erase a transmitter by holding the learn button until the LED blinks rapidly, then re‑programming a new code․ This process ensures only authorized remotes control the gate․ Web pairing available now!

The AP‑5’s firmware can be updated, ensuring the security patches are access

Programming and Setup
The AP‑5 setup starts by mounting the receiver, connecting power, and linking to the gate actuator․ Use the USB cable to access the web interface, configure network settings, set security keys, and program remotes․ Follow prompts to add transmitter, ensuring storage․ Test․ O

Adding a Transmitter
To add a transmitter to the Linear AP‑5, power the unit and mount the receiver․ Connect the AP‑5 to your network via Ethernet or Wi‑Fi, then open a browser and navigate to the controller’s IP (default 192․168․1․1)․ Log in with the default credentials (admin/password) and change the password immediately․ In the main menu select “Transmitter Management” → “Add New Transmitter․” The AP‑5 accepts up to 480 MegaCode remotes․ Press the “Learn” button on the remote you wish to program; the controller captures the 32‑bit code․ The interface displays the code and lets you assign a name and priority․ Confirm and repeat for each remote․ After all are stored, click “Save Configuration” to write the data to memory․ Verify by pressing a remote; the gate should respond․ If it does not, check antenna placement, attach the EXA‑2000 for range, and ensure the battery is fresh․ For safety‑edge units, select “Add Safety Edge” and follow the same learn procedure․ Test each remote in the field to confirm reliable operation across the full 500‑ft range․ The receiver and antenna provide robust performance even in environments․ By following these steps, you can quickly expand your gate’s access control system while maintaining a configuration․
Configuring Multiple Transmitters
After adding each remote, the AP‑5 allows you to set priority, group, and access schedules․ In the web interface navigate to “Transmitter Settings․” Each entry shows the 32‑bit code, name, and current priority․ To change priority, click the pencil icon, enter a number (1–10, 1 highest), and save․ Grouping is useful for families: create a “Family” group, select the desired remotes, and assign the group․ The controller will treat all group members as a single access point․ For time‑based restrictions, open “Schedule” and set “Allowed Times” for each transmitter or group․ The AP‑5 supports up to 480 individual codes, so you can dedicate a subset for guests, maintenance, or service personnel․ When a new transmitter is added, the system automatically assigns the next available slot; you can manually reorder slots by dragging the list․ The controller also logs access attempts; view the “Event Log” to audit usage․ Remember to back up the configuration after any major changes by selecting “Backup” under the system menu․ This ensures you can restore the current state if the unit reboots or is replaced․ Proper configuration of multiple transmitters keeps the gate secure while providing flexible access for all authorized users․
When configuring multiple transmitters, consider the physical layout of the site․ Place the EXA‑2000 antenna on a high, unobstructed location to maximize reception․ If you have a large property, you may need to add a repeater or use the optional “Dual‑Gate” feature to split the range․ The AP‑5’s firmware allows you to assign a “Master” transmitter that can override all others; this is useful for emergency access․ To enable, go to “Advanced Settings” → “Master Override” and toggle the switch․ Test the override by pressing the master remote while other remotes are in use; the gate should respond immediately; For advanced users, the AP‑5 supports API calls via HTTP; you can script remote addition or priority changes using curl or a custom app․ The API requires authentication; use the admin credentials and include the “api_token” in the header․ Documentation for the API is available on the Linear support site․ By leveraging these features, you can maintain a robust, scalable access control system that adapts to changing personnel and security needs․

Safety Features
The AP‑5 supports up to six Model MGT supervised safety‑edge transmitters, ensuring the gate halts when an obstacle is detected․ Each edge unit is programmed into memory, providing reliable, automatic safety control for residential and commercial gates․ The unit logs safety events and can trigger alarms․

Supervised Safety Edge Transmitters
Supervised safety edge transmitters are integral to the Linear AP‑5’s safety architecture․ The controller stores up to six Model MGT edge units, each continuously monitoring the gate’s travel path for obstructions․ When an edge sensor detects an object, the AP‑5 stops the motor, reverses the gate, and logs the event․ Edge units pair wirelessly with the AP‑5 during setup, requiring a brief sequence that confirms the transmitter’s ID․ Once paired, the signal is stored in memory, allowing the system to respond to each unit independently․ Firmware prioritizes edge signals over remote commands, ensuring safety takes precedence over manual operation․ The system can trigger an audible alarm and send a diagnostic message if an edge sensor is triggered․ Edge transmitters are durable, operating in a wide temperature range and sealed to resist dust and water ingress․ For maintenance, each unit can be tested by pressing its built‑in test button, which emits a diagnostic tone that the AP‑5 confirms․ If an edge unit fails, the AP‑5 flags the fault and recommends replacement․ Proper installation mounts the edge sensors at the gate’s travel limits, ensuring a clear line of sight to the gate’s edge; The AP‑5’s safety logic includes a timeout feature: if the gate remains in motion longer than the programmed duration, the system automatically halts the motor, preventing damage․ By combining the AP‑5’s high‑gain receiver with multiple edge transmitters, users achieve a robust safety solution that meets residential and commercial standards for gate operation․ The AP‑5 logs each safety event to its internal memory, allowing technicians to incidents daily maintenance;

Installation Guidelines
Mount the Linear AP‑5 on a stable wall, ensuring the antenna is unobstructed; Connect the 12‑V supply, then wire the gate motor to the controller’s output terminals․ Follow the wiring diagram, secure all connections, and test operation․ Verify power before final test now!
Mounting and Wiring
The Linear AP‑5 should be mounted on a solid wall or post, positioned so the built‑in antenna faces clear sky to maximize reception․ Use a mounting bracket that accommodates the unit’s dimensions and includes a secure locking mechanism․ Prior to installation, verify the wall material supports the weight and that the bracket’s screws will not loosen over time․ When attaching the unit, align the antenna’s centerline with the expected direction of the transmitter to reduce signal loss․ After mounting, connect the 12‑V DC power supply to the AP‑5’s power terminals, ensuring correct polarity․ Use a shielded cable to minimize electrical noise․ Next, wire the gate motor to the controller’s output terminals․ The motor’s positive lead connects to the “+” terminal, and the negative lead to the “-” terminal․ For dual‑motor setups, use the additional output ports, labeling each wire clearly․ Verify all connections are tight and insulated․ Finally, test the system by activating a transmitter; the gate should respond promptly․ If the gate does not operate, double‑check the wiring polarity and the antenna orientation․ Proper mounting and wiring guarantee reliable performance and extend the controller’s lifespan․ Ensure the unit is protected from weather by using a weather‑proof enclosure, and keep the antenna free from obstructions such as trees or metal structures․ Regularly inspect the wiring for corrosion, and replace any damaged components promptly to maintain system reliability․ checks must be done annually․․
Power Supply Requirements
The Linear AP‑5 operates on a 12‑V supply with a minimum current rating of 2 A to accommodate peak loads during gate actuation and receiver processing․ The recommended supply is a regulated, isolated transformer or a sealed battery pack that provides a steady 12 V output with a ripple tolerance of less than 50 mV․ The unit’s power terminals are marked “+” and “–”; incorrect polarity will disable the controller and may damage internal components․ For permanent installations, a 12‑V, 2‑A or higher quality automotive high quality industrial power supply is preferred, ensuring a minimum of 2․5 A to provide headroom for future expansions or additional safety edge transmitters․ The supply should be connected through a fuse rated at 3 A, placed as close to the AP‑5 as possible, to protect against short circuits and overloads․ Wiring must use 18 AWG or larger conductors to minimize voltage drop over typical distances of up to 30 ft․ The AP‑5’s power input is designed to accept a 12‑V plug with a standard 2‑pin barrel connector; a polarized plug is required to prevent reverse polarity․ Grounding is essential: the negative terminal should be bonded to the building’s grounding system to reduce electromagnetic interference and comply with local electrical codes․ Use a 12‑V supply with current to avoid voltage sag․ The power supply must be housed in a weather‑proof enclosure with proper ventilation to prevent overheating․ Regular inspection of the power cable, connectors, and fuse is advised to maintain reliability and safety throughout the controller’s lifespan․ All connections should be tightened to prevent vibration․
