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Napco Gemini P1664 Security Panel, 8-64 Zones

Item # NPGEMP1664

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The GEM-P1664 Hybrid 8 to 64-Zone Control/Communicator features 8 zones expandable to 64 zones with multiplexing and supports all standard Gemini RP and K-Series Keypads, plus new Gemini DK-Series Door-Style Keypads and new VPS Series talking multifunction keypads, as well as reliable, Napco Gemini crystal-control transmitters and receivers, too. Supporting up to 64 user codes and 16 relays, the GEM-P1664 control features easy menu-driven, Self-Programming Plus keypad programming (for all zones), which includes new alpha keypad question-prompts, even for setting test timer, fire zones and exit/entry and follower zones. Additionally, the panel can be remote up/downloaded using easy-to-use Napco Quickloader Software.

  • Large backlit, fixed English display
  • Built-in 32 Point Gemini wireless receiver for labor-saving convenience
  • Proven crystal-control wireless performance
  • Supports all Gemini transmitters
  • New stay and away ease-of-use buttons, for easy one button arm
  • EZ-Programming mode
  • New intuitive, stay and away ease-of-use buttons, for easy one button arm and easy "instant" (hold-down)
  • Large soft touch backlit keys with tone
  • Backlit displays for easy reading
  • Wireless transmitter signal strength indication
  • Decor friendly soft white design
  • Fire, police and auxiliary programmable panic keys
  • Fingertip reference chart
  • (Matching keypad without receiver GEMK4)


  • 8 Hardwire/Wireless Zones on board
  • Up to 64 zones with multiplex expansion including two 2-wire fire zones
  • With multiplexing, can accommodate up to 64 EOL zones (from custom alpha keypads or multiplex modules)
  • EZ Programming2 More comprehensive, menu-driven programming for all zones plus test timer.
  • Up to 64 user codes
  • Up to 4 areas
  • 3 on-board outputs, up to 16 external relay outputs (RM3008s).
  • Up to 2 Napco helically-filtered, crystal-control RF receivers
  • Interior bypass group with programmable automatic interior bypass
  • 400 event log
  • Auto Arm
  • Uses up to 7 of any of the Classic/RP-, K-Series or DK-Door Style Stay and Away keypads
  • Programmable telephone line cut supervision with delay
  • 3 Keypad panics (F, P, A)
  • Supports all major communicator formats, including: 4/2, SIA, 4+2 and Point ID, plus pager
  • Backup/double/split reporting; three 20-digit telephone numbers
  • Dynamic battery test
  • Reports alarms, restores and troubles by zone.
  • 2 programmable entry delay times
  • Chime by zone
  • 8 EOL burglary zones programmable for area, E/E delay, interior, follower, day zone, chime, fire options, sensor watch, swinger shutdown, cross zoning, etc.
  • Multiplex Expandability with GEM EZM4/8 or GEM EZM8 zone expansion modules
  • Quickloader up/downloading, including unique unattended method
  • Choice of RF receivers
  • Partitioning by area
  • Event log with open/close suppression
  • Event log viewable at keypad (total log, burglar alarm log, fire alarm log, system trouble log, o/c log)
  • Cell phone-style keypad programming of zone descriptions (text)
  • Programmable 50Hz Clock Setting
  • Programmable Daylight Savings Time
  • Programmable Security Bypass (code required for bypass)
  • Un-Bypassing while disarmed (code required)
  • Temperature Display at Keypad (-30 to 600 Celsius or -22 to 140 Fahrenheit) with optional GEM-TEMP64 Indoor/Outdoor Temperature Sensor (Keypad Temperature Display replaces Date on Display and is for use with custom alphanumeric keypads, only, i.e., DK1, K1, RP1)
  • Input Power: 16.5-18.0 VAC via Class 2 Plug-In 20VA, 40VA or 50VA Transformer
  • Loop Current: 3mA; 5mA for 2-wire smoke-detector zones
  • Loop Resistance: 300 Ohm max.; 50 Ohm for 2-wire smoke detector zones
  • Alarm Voltage Output: 1; Programmable Negative
  • Outputs: 2
  • Auxiliary Power Output: 11.7-12.5 VDC
  • Remote Power Output: 12 VDC regulated
  • UL Listings and Compliances:
    • Household Burglar Alarm System Units: UL1023
    • Household Fire Warning System Units: UL985
    • Security Industry Association (SIA) False Alarm Reduction
    • Standard CP-01