TCB-881 

Functions
 
  Multiple Bands
 
  4 W Output Power
 
  AM/FM Operation
 
  Menu Mode(Beep Tone On/Off, TOT, Backlight Dimmer)
 
  Emergency Channel
 
  Quick Channel Up/Down
 
  Scan
 
  Keypad Lock & Remote Lock
 
  Blue Illumination
 
 PA Capability
 
 4 Memory Controls
 
 
    
 

 Electrical Specification
 
 General Specification 
 
  Channel : 40
 
  Frequency : 26.965 MHz to 27.405 MHz
 
  Operating Mode : F3E(FM), A3E(AM)
 
  Frequency Control : PLL Synthersizer
 
  Frequency Tolerance : 0.002%
 
  Operating Temperature : -10 to +55℃
 
  Microphone : Plug-in Type
 
  Input Voltage : 13.8V / 24V DC ± 15%
 
  Size : 156(W) x 176(L) x 51(H)
 
  Weight : 870g
 
  Antenna Connector : SO-239 type
 
 Transmitter Specification
 Power Output : Duty Cycle 10% 4 Watts @ 13.8V / 24VDC
 Modulation : AM : from 85% to 95%
 FM : 1.8KHz ± 0.2KHz
 Harmonic Suppression : Less than -36dBM
 Current Drain : AM Full Mod. 1.6A Max.
 Receiver Specification
 Receiving System : Dual Conversion Superheterodyne
 IF Frequencies: Double Conversion 1st 10.695MHz/2nd 455KHz
 Sensitivity : 0.7 ? for 10dB(S+N)/N in AM Mode
 0.5 ? for 20dB SINAD in FM Mode
 Audio Output Power : 2.0W @ 8 ohm 
 Audio Distortion : Less than 8% 1KHz
 Image Rejection : -53 dBm 
 Adjacent Channel Rejection : -53 dBm
 Conducted Spurious : 300 to 2500Hz
 Built-in Speaker : 8 ohm, round
 Squelch : Adjustable; Threshold less than 1 microvolt