MultecCommunications


	Two-Way Radio Communications and Electronics Specialists

Vertex Standard
VHF/UHF Portable
Two-Way Radio
VX-920
VX-929 VX-924 VX-921
Submersible / Waterproof
Public Safety Compact Portable
512/48 Channel 5 Watts
Specifications

Vertex Standard VX-920 Series VX-929 VX-924 VX-921 Submersible Waterproof Portable 2-Way Radio

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General Specifications	VX-920V Series VHF Highband	VX-920U Series UHF Band
Number of Channels	48 or 512
Frequency Range	134-174 MHz	450-512 MHz
Groups	48 CH / 3 Group (w/o LCD version) 512 CH / 16 Groups (w/ LCD version)
Channel Spacing	12.5/15/20/25/30 KHz (PLL Step 1.25/2.5/5/6.25/7.5 KHz)	12.5/20/25 KHz (PLL Step 5/6.25 KHz)
Power Supply Voltage	7.4 VDC
Current Consumption (Approx. @7.4 V)	30 mA (Standby w/saver) 75 mA (Standby) 200 mA (Receive) 1.7 A (Transmit)	30 mA (Standby w/saver) 75 mA (Standby) 200 mA (Receive) 1.9 A (Transmit)
Battery Life (5-5-90 duty)	7 hours (w/ FNB-V86LI) 12 hours (w/ FNB-V87LI)	7 hours (w/ FNB-V86LI) 11.5 hours (w/ FNB-V87LI)
Ambient Temperature Range	-22° F to +140° F (-30° C to +60° C)
Frequency Stability	± 2.5 ppm
RF Input-Output Impedance	50 Ohms
Audio Output Impedance	16 Ohms
Case Size	2.24” x 5.24” x 1.48” (57 x 133 x 37.5 mm)
Weight (Approx.)	13.1 oz (370g) (w/FNB-V86LI, ATV-6D, CLIP-920)
Dust and Water intrusion IP55	Water projected in jets against the enclosure from any direction shall have no harmful effects.
Dust and Water intrusion IP57	Ingress of water in quantities causing harmful effects shall not be possible when the radio is submersed for 30 minutes at a depth of 3 feet.

Receiver Specifications	Measurements made per EIA standard TIA/EIA-603
Circuit Type	Double Conversion Super-heterodyne
Sensitivity EIA 12 dB SINAD	0.25 µV/0.32 µV (W/N)	0.25 µV/0.32 µV (W/N)
Adjacent Channel Selectivity	75/70 dB (W/N)	75/70 dB (W/N)
Intermodulation	75/70 dB (W/N)	75/70 dB (W/N)
Spurious Response Rejection	75 dB	75 dB
Spurious Emissions	–57 dBm	–57 dBm
Hum and Noise	48/42 dB (W/N)	48/42 dB (W/N)
Audio Output	700 mW @ 16 ohms 5% THD

Transmitter Specifications	Measurement made per EIA standard TIA/EIA-603
Power Output	5 / 2.5 / 1 / 0.25 W (Software Selectable)
Modulation	Direct FM (16K0F3E/11K0F3E)
Maximum Deviation	±2.5 / ±4.0 / ±5.0 KHz
Spurious Emissions	–36 dBm @under 1 GHz –30 dBm @above 1 GHz
FM Hum and Noise	45/40 dB (W/N)
Audio Distortion	Less than 3% @ 1kHz
Microphone Type	2k Ohm condenser

APPLICABLE MIL-STD & IP (pending)
Standard	MIL 810C Methods/Procedures	MIL 810D Methods/Procedures	MIL 810E Methods/Procedures	MIL 810F Methods/Procedures
Low Pressure High Temperature Low Temperature Temperature Shock Solar Radiation Rain Humidity Salt Fog Dust Vibration Shock	500.1/Procedure 1 501.1/Procedure 1, 2 502.1/Procedure 1 503.1/Procedure 1 505.1/Procedure 1 506.1/Procedure 1, 2 507.1/Procedure 1, 2 509.1/Procedure 1 510.1/Procedure 1 514.2/Procedure 8, 10 516.2/Procedure 1, 2, 5	500.2/Procedure 1, 2 501.2/Procedure 1, 2 502.2/Procedure 1, 2 503.2/Procedure 1 505.2/Procedure 1 506.2/Procedure 1, 2 507.2/Procedure 2, 3 509.2/Procedure 1 510.2/Procedure 1 514.3/Procedure 1 Cat. 10 516.3/Procedure 1, 4	500.3/Procedure 1, 2 501.3/Procedure 1, 2 502.3/Procedure 1, 2 503.3/Procedure 1 505.3/Procedure 1 506.3/Procedure 1, 2 507.3/Procedure 2, 3 509.3/Procedure 1 510.3/Procedure 1 514.4/Procedure 1 Cat. 10 516.4/Procedure 1, 4	500.4/Procedure 1, 2 501.4/Procedure 1, 2 502.4-3/Procedure 1, 2 503.4/Procedure 1, 2 505.4/Procedure 1 506.4/Procedure 1, 3 507.4/Procedure 1 509.4/Procedure 1 510.4/Procedure 1, 3 514.4/Procedure 1 Cat. 10 516.4/Procedure 1, 4
International Protection Standard IP54 IP 55 IP 57

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Two-Way Radio Communications and Electronics Specialists

Vertex Standard VHF/UHF Portable Two-Way Radio VX-920 VX-929 VX-924 VX-921 Submersible / Waterproof Public Safety Compact Portable 512/48 Channel 5 Watts Specifications

Vertex Standard
VHF/UHF Portable
Two-Way Radio
VX-920
VX-929 VX-924 VX-921
Submersible / Waterproof
Public Safety Compact Portable
512/48 Channel 5 Watts
Specifications