Walkie talkie repeater TKR-750

Walkie talkie repeater TKR-750 Features: 19" Rack Mount Design Primary DC Input Connector Auto-Switched Back-Up DC Input Connector Backup Battery Warning/Operation Tones Rear External Speaker Output (4 Watts Audio) Rear Test-Speaker-AUX Connector (15-Pin) Programmable AUX Input/Output functions Toggle or Momentary Operation on AUX Input Ports Pre-Emphasis On/Off Control (at TA AUX INput) DSP Processed QT/DQT QT/DQT Squelch-Tail Elimination Embedded Message with Password Protection High Stability Oscillators (TCXO) Flash Memory Repeater Features Full-Duplex Operation Built-in 16 QT/DQT Tone/Code Pair Community Repeater Operation External controller Interface Conventional or Trunking Controller Compatible Repeat Enable/Disable 8 CW Transmitter IDs Repeat Hold Timer (Hang Timer) Time Out Timer Base Station Features 16 Channels Simplex or Full Duplex Operation Antenna Switch for Simplex/Single Antenna Operation Priority Scan Remote Control Inputs 7-sEGMENT 2-Character Channel &Scan LED 2 Character Alphanumeric Channel Designator 6 Lighted PF Keys Local Takeover/Remote PF Keys Voice Encryption Port GENERALFrequency RangeK : 146 to 174MHzK2 : 136 to 150MHzNumber of Channels16 channelChannel SpacingWide : 30kHz, 25kHz Narrow : 15kHz, 12.5kHz(PLL channel stepping 2.5kHz/5kHz/6.25kHz/7.5kHz)Operating Voltage13.6V DC±15%Current DrainStandbyStandby w/power saveReceiveTransmit/Receive0.8A0.3A (Operationg mode DC-IN : Backup, FAN : Temp, SAVE : ON, DISP : OFF)1.2ALess than 13ADuty CycleReceiveTransmit100%100% (100% @25W)Frequency StabilityLess than ±0.0002% –30°C to +60°C (–22°F to +140°F)Antenna Impedance50ÙOperating Temperature Range–30°C to +60°C (–22°F to +140°F)Dimensions483 (19) W x 88 (3-1/2) H x 340 (13-1/3) D mm (inch)Weight9.7kg (21.4 lbs.) RECEIVER (Measured by TIA/EIA-603)Sensitivity12dB SINAD20dB Quieting0.35ìV0.45ìVSelectivityWide : 85dB (±30kHz) Narrow : 80dB (15kHz), 77dB (12.5kHz)IntermodulationWide : 80dB (±30kHz/±60kHz) Narrow : 75dB (±15kHz/±30kHz)Hum and NoiseWide : 50dB Narrow : 45dBSpurious & Image Rejection90dBAudio Output (Ext. Speaker)4W at 4Ω less than 5% distortionAudio Distortion (Ext. Speaker)Less than 2.5% at 1000HzBand Spread3MHz TRANSMITTER (Measured by TIA/EIA-603)RF Power Output50W adjustable to 25W (100% duty @25W)Type of EmissionWide : 16K0F3E Narrow : 11K0F3ESpurious Response80dBFM Hum and NoiseWide : 50dB Narrow : 45dBAudio DistortionLess than 3% at 1000HzMicrophone Impedance600ÙBand SpreadK : 28MHz K2 : 14MHz