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Gecko Gecko
Gecko Gecko
Gecko Gecko

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Gecko CDMA Microcell Transmitter

Gecko™ is a portable, battery-powered 1/2 watt CDMA modulated transmitter used for indoor coverage testing. The Gecko is ideal for CDMA microcell set-up and evaluating network performance. In a typical application, one or more Geckos are placed throughout an area of interest and set to different base station PN offsets; while measuring and recording Ec/Io measurements using one of BVS's portable CDMA signal strength meters such as Hummingbird™ and Raven™.

 

Download Gecko data sheet

Download Gecko manual in the Techncial Support section
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Gecko Features
  • Completely self-contained module design
  • Dynamically adjustable power control from 1 milliwatt to 500 milliwatt output
  • Infrared remote control adjusts power output, frequency and on-off from 25 feet
  • Super bright 128 x 128 graphic LCD with backlight
  • Removable rechargeable 9 volt battery (standard Makita Ni-Cad)
  • Light-weight design is ideal for "stick-up" applications
  • Precision output held to within + 0.5 dB
  • Optional connection to Rhino rubidium-locked frequency source for precise base station PN offsets [0-511]
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Gecko Specifications
Frequency Range   PCS and Cellular frequencies
Frequency Step Size  30, 50 kHz or 1.25 MHz
Frequency Stability 
+ 2.0 ppm (short term) 30 to 125 degrees F 
Frequency Stability 
+ 0.5 ppm (aging maximum 1 year)
Modulation I and Q pilot codes (IS-95)
Output Filtering Digital FIR
Output Power  0.0 dBm to 27.0 dBm + 1.0 dB 
Passband Flatness  + 0.5 dB maximum 
Power Steps  + 1.0 dB 
Output  50 ohms with TNC Female 
Output VSWR  < 2:1 
Output Load VSWR  > 100:1 
Display  128 x 128 Graphic STN LCD 
Backlight  LED 
Controls 
Direct enter via 14 button keypad
Rotary optical encoder (push to choose)
infrared remote keypad (25' operational range)
DC Power  
Internal (removable) Ni-Cad rechargeable cells
External DC power supply via 2.5mm slip jack
Charger   2 hour external recharge time 110 VAC 
Weight   5 pounds with battery 
Size  6-1/2" W x 8-1/2" L x 3-1/4" D 
Options Connection to Rhino rubidium-locked frequency source providing precise base station PN offsets [0-511]
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Gecko Frequencies
  • PCS
  • Cellular

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