Main features Quad band transmit and receiver Cross Band Repeat Separately Front Panel 809 Memory Channels DTMF Microphone Fm Radio 108-135.995MHz High/Low Output Power Levels Reverse Frequency Selection Dual (V/U) Squelch Set Levels Dual Repeater Offsets Select-Able Multi Scanning Repeater Offset Keypad Lock Function Channel Name Editing Ctcss/Dcs Encode/Decode Specification Model TH-9800 Frequency Range RX only:108-135.995mhz,320-512mhz,750-950mhz (Cellular Blocked) TX(FM): 26-33mhz,47-54mhz,136-174MHZ ,400-480MHZ Channel Capacity 809 Channels Channel Spacing 2.5 /5 /6.25 /10 / 12.5 /15 /20 /25 /50 kHz Modes of emission F3 Antenna Impedance 50 Ohms,unbalanced (Antenna Duplexer built-in) Frequency Stability ±5PPM@-140℉~+140℉(-10℃～+60℃) Operating Voltage -4℉~+140℉(-20℃～+60℃) Operating Temperature Range 13.8VDC (±15%),Negative ground Current Consumption(Approx) RX:0.5A(Squelched) TX:8.0A(50/430MHZ),8.5A(29/144MHZ) Case size（W×H×D） 140*41.5*168 mm (w/o knobs & connectors) Weight 1.2kg Transmitter output power 50/20/10/5W(29/50/144MHZ),40/20/10/5W(430MHZ) Modulation Type Variable Reactance Maximum Deviation Better than -60dB(29MHZ: Better than -50dB) Modulation Distortion Less than 3% Microphone Impedance 2kΩ Receiver Circuit Type Double-conversion super-heterodyne Intermediate Frequency 49.95MHz/450KHz (left band) 38.85MHz/450KHz (right band) Sensitivity (for 12dB SINAD) Better than 0.2μV Squelch Sensitivity Better than 0.16μV Selectivity(-6dB/-60dB) 12KHz/30 KHz Maximum AF output 2W@8Ω for 5% THD AF output Impedance 4-16Ω