VHT1 Video Transmitter - Replacement for GMS or Cobham ST series

UHF - L-Band - S-Band - C-Band

AMP’s VHT1 Series analog FM video transmitters is an upgraded drop in replacement for the Cobham / GMS ST series video transmitters. It has up to two Line/Mic audio or RS232/TTL data subcarriers and up to 10 Watts output power.

VHT1 transmitters may be configured with fixed RF output powers of 4 Watts or 10 Watts. Transmitters may be optionally configured with remotely selectable power levels utilizing both power levels. AMP’s proprietary power-leveling circuit ensures level output power over the entire frequency band.

Locally configurable features include carrier frequency, high/low output power, video inversion, subcarrier enable, and subcarrier input type. These features and PA on/off, all power modes, and temperature fold-back characteristics may be configured remotely.

With military telemetry heritage, VHT1 transmitters are designed to withstand harsh environments and are ideal for law enforcement, surveillance, UAV, UGV, Military, and other applications requiring efficient, high quality video/audio/data transmission in a compact, rugged package.

Available Standard Frequencies

UHF 340.0-399.9 MHz
Lower L-band 1435-1535 MHz
Upper L-Band 1700-1850 MHz
S-Band 2200-2399 MHz
ISM S-Band 2400-2499 MHz
Full S-Band 2200-2499 MHz
Lower C-Band 4400-4900 MHz
Upper C-Band 4900-4999 MHz
Full C-Band 4400-4999 MHz

*Custom frequencies are available.

FCC Licensing

Product Documents
pdf VHT1 Datasheet
pdf VHT1 Model Number Builder
pdf VHT1 Quick Start Guide
pdf VHT1 Manual
pdf V Series ICD

Compatible Video Receivers
pdf VSR1 Series Receivers
pdf VDR1 Series Diversity Receivers
pdf PSR1 Series Receivers
pdf PDR1 Series Diversity Receivers

Video Transmitter Features
  • 20.7 Cubic Inch Package (3.25”x4.25”x1.5”)
  • Weighs < 16 oz.
  • Up to 10 Watts RF Output Power
  • Up to 2 Power Modes (Remote Control)
  • Full Frequency Band Channelization
  • 3 Configuration Modes
  • Supports Composite Video (NTSC or PAL)
  • Dual Audio or Data Subcarriers (Optional)
  • Power Amp On/Off Control (Remote Control)
  • Temperature Indication and Fold-Back (Remote Control)
  • J-STD-001D Class 3 Assembly (Medical/Aerospace)