Specifications

VX-400 16 Channel 5 Watt Portable

General Specifications
 		 VX-400V
VHF Highband		 VX-400U
UHF Band
Number of Channels 16 Channels (8 +8)
Frequency Range 134-160 MHz (A)
148-174 MHz (C)		 400-430 MHz (AS1)
450-485 MHz (D)
485-512 (F)
Maximum Channel Spread 26 MHz (A, C)  30 MHz (AS1)
35 MHz (D)
27 MHz (F)
Channel Spacing 15/30 kHz

12.5/25 kHz
Power Supply Voltage 7.2 VDC
Current Consumption
     Standby (Saver On)
     Standby (Saver Off)
     Receive
     Transmit (Lo 3)
     Transmit (Lo 2)
     Transmit (Lo1)
     Transmit (Hi)
20 mA
50 mA
180 mA
300 mA
700 mA
1000 mA
1600 mA
20 mA
50 mA
180 mA
500 mA
1000 mA
1500 mA
2000 mA
Battery Life w/ FNB-V57 (5-5-90 duty) 8.2 hrs. (9.9 hrs. w/ saver) 7.1 hrs. (8.5 hrs. w/ saver)
Ambient Temperature Range -30ºC to +60ºC
Frequency Stability ± 2.5 ppm
RF Input-Output Impedance 50 ohms
Audio Output Impedance 4 ohms
Dimensions 4.0" X 2.28" X1.0" (101.6 X 58 X 25.4 mm)
Weight 11.3 oz. (320 g) w/ FNB-V57
Receiver Specifications Measurements made per EIA Standard TIA/EIA-603
Circuit Type Double Conversion Super heterodyne
Sensitivity
     EIA 12 dB SINAD
     20 dB Quieting
     Threshold Squelch		  
0.20 µV
0.30 µV
0.18 µV		  
0.25 µV
0.35 µV
0.2 µV
Adjacent Channel Selectivity
     12.5 kHz channel spacing
     25/30 kHz channel spacing		  
60 dB
70 dB
Intermodulation 70 dB

65 dB
Spurious and Image Rejection 70 dB
Conducted Spurious Emissions -57 dBm
Audio Response +3/-8 dB from the 6 dB/oct. De-emphasis curve
Audio Output   0.5 W into 4 ohms w/ <5% THD
Hum and Noise 45 dB
Transmitter Specifications Measurement made per EIA standard TIA/EIA-603
Power Output 5 / 2.5 / 1 / 0.1 / W or 3.5 / 1 W w/ FBA-25
Modulation 16K0F3E / 11K0F3E
Maximum Deviation ± 5 kHz / ± 2.5 kHz
Conducted Spurious Emissions 65 dBc
FM Hum and Noice 40 dB
Audio Response + 1/-3 dB from the 6 dB/oct. Pre-emphasis curve
Audio Distortion <2.5%
Military Standards 810 C/D/E
Method 500.2, Procedure 1
Method 500.3, Procedure 1
Method 501.1, Procedure 1, 2
Method 501.2, Procedure 1, 2
Method 501.3, Procedure 1, 2
Method 502.2, Procedure 1
Method 502.3, Procedure 1
Method 505.2, Procedure 1
Method 505.3, Procedure 1		 Method 506.1 Procedure 2
Method 506.2, Procedure 2
Method 506.3, Procedure 2
Method 507.1, Procedure 2
Method 507.2, Procedure 2
Method 507.3, Procedure 2
Method 509.2, Procedure 1
Method 509.3, Procedure 1
Method 510.1, Procedure 1		 Method 510.2, Procedure 1
 Method 510.3, Procedure 1
Method 514.2, Procedure 1, 8
Method 514.3, Procedure 1, 8
Method 514.4, Procedure 1, 8
Method 516.2, Procedure 1, 4
Method 516.3, Procedure 1, 4
Method 516.4, Procedure 1, 4

Intrinsically Safe Approvals
The VX-400 VHF and UHF models have been given an intrinsically safe rating for use in ANSI/UL-913-88 Class I, II, and III, Division 1, Groups A, B, C, D, E, F, and G hazardous locations; on VHF and UHF models ordered with the Intrinsically Safe option.