VX-3R Specifications           May, 2007


Frequency Ranges:RX 0.5-1.8 MHz (AM Broadcast)
(USA Version)1.8-30 MHz (SW Band)
30-76 MHz (50 MHz HAM)
76-108 MHz (FM)
108-137 MHz (Air Band)
137-174 MHz (144 MHz HAM)
174-222 MHz (VHF TV)
222-420 MHz (ACT1)
420-470 MHz (430 MHz HAM)
470-800(729) MHz (UHF TV)
(757-774) MHz (UHF TV)
800-999 MHz (GEN2; USA Cellular Blocked)
                  TX144-146(148) MHz
430-440(450) MHz
Channel Steps:5/9/8.33/10/12.5/15/20/25/50/100 kHz
Frequency Stability:±5 ppm (–10 °C to +60 °C)
Repeater Shift:±600 kHz (144 MHz)
±1.6/5.0/7.6 MHz (430 MHz)
Emission Type:F2D , F3E
Antenna Impedance:50 
Supply Voltage:Nominal:3.7 V DC,Negative Ground
Operating:3.5 ~ 7 V,Negative Ground (EXT DC Jack)
5.0 ~ 7 V,Negative Ground (EXT DC Jack with Charging)
Current Consumption:120 mA (Receive)
60 mA (Standby, Saver Off)
30 mA (Standby, Saver On, Save Ratio 1:2)
50 mA (Radio Band Receive)
100 µA (Auto Power Off)
1.3 A (1.5 W Tx , 144 MHz) 3.7 V DC
1.6 A (3 W Tx , 144 MHz) 6 V DC
1.2 A (1 W Tx , 430 MHz) 3.7 V DC
1.8 A (2 W Tx , 430 MHz) 6 V DC
Operating Temperature:–20 °C to +60 °C
Case Size (W x H x D):1.9” x 3.2” x 0.9” (47 x 81 x 23 mm) (W/O knob & antenna)
Weight:4.6 oz (130 g) With FNB-82LI & antenna

Transmitter
RF Power Output:1.5 W (@ 4.5 V AA x 3 or 3.7 V FNB-82LI  144 MHz)
3 W (@ 6 V or EXT DC  144 MHz)
1 W (@4.5 V AA x 3 or 3.7 V FNB-82LI  430 MHz)
2 W (@ 6 V or EXT DC  430 MHz)
Low 0.1 W (@ 4.5 V AA x 3 or 3.7 V FNB-82LI)
Low 0.3 W (@ 6 V or EXT DC)
Modulation Type:Variable Reactance F2D , F3E
Maximum Deviation:±5 kHz (F2D , F3E)
Spurious Emission:At least 60 dB below (HIGH)
At least 50 dB below (LOW or less than 1 W)
Microphone Impedance:2 k

Receiver
Circuit Type:AM, NFM: Double-Conversion Superheterodyne
WFM: Triple-Conversion Superheterodyne
AM Radio/FM Radio: Single-Conversion Superheterodyne
Intermediate Frequencies:1st: 47.25 MHz (AM, NFM)
1st: 45.8 MHz (WFM)
1st: 130 kHz (AM Radio/FM Radio)
2nd: 450 kHz (AM, NFM)
2nd: 10.7 MHz (WFM)
3rd: 1 MHz (WFM)
Sensitivity:3 µV for 10 dB SN (0.5-1.8 MHz, AM Radio)
3 µV for 10 dB SN (0.5-30 MHz, AM)
0.35 µV TYP for 12 dB SINAD (30-54 MHz, NFM)
1 µV TYP for 12 dB SINAD (54-76 MHz, NFM)
1.5 µV TYP for 12 dB SINAD (76-108 MHz, FM Radio)
1.5 µV TYP for 10 dB SN (108-137 MHz, AM)
0.2 µV for 12 dB SINAD (137-140 MHz, NFM)
0.16 µV for 12 dB SINAD (140-150 MHz, NFM)
0.2 µV for 12 dB SINAD (150-174 MHz, NFM)
1 µV TYP for 12 dB SINAD (174-225 MHz, NFM)
0.5 µV for 12 dB SINAD (300-350 MHz, NFM)
0.2 µV for 12 dB SINAD (350-400 MHz, NFM)
0.18 µV for 12 dB SINAD (400-470 MHz, NFM)
1.5 µV for 12 dB SINAD (470-540 MHz, WFM)
3 µV TYP for 12 dB SINAD (540-800 MHz, WFM)
1.5 µV TYP for 12 dB SINAD (800-999 MHz, NFM)
USA Version Cellular Blocked
Selectivity:NFM, AM:12 kHz/35 kHz (–6 dB /–60 dB)
        WFM:200 kHz / 300 kHz (–6 dB/–20 dB)
AF Output:50 mW @ 8  for 10 % THD (@ 3.7 V)
100 mW @8  for 10 % THD (@ 6 V)