The Diamond SR780 dual-band mobile antenna is a commercial-grade, high-performance vehicular radiation element engineered to deliver stable omnidirectional signal propagation and efficient short-to-medium-range link tracking across both VHF and UHF mobile bands. Standing at an exceptionally compact physical length of just 44 cm and weighing 330 grams, this premium mobile whip is structurally optimized to handle the rigors of continuous daily transit while maintaining a sleek, low-profile aesthetic. It functions as an essential, high-rotation operational procurement component for commercial utility vehicle pools, urban field services, private security fleets, and high-volume B2B radiocommunication accessory distribution networks across European markets.
The internal electrical engineering of the Diamond SR780 features a highly efficient mixed element architecture, operating as a 1/4λ configuration on 144 MHz and a 5/8λ configuration on 430 MHz. This specialized design condenses radiation angles to yield crisp signal gains of 2.15 dB on VHF and 3.4 dB on UHF, allowing mobile teams to maximize coverage without a bulky physical setup. Rated to safely manage up to a 50 Watts maximum total FM power rating with a nominal 50-Ohm system impedance, the antenna maintains a highly secure, equipment-protecting VSWR of less than 1.5:1 across its primary tuned frequencies. Pre-terminated in a standard MP connection interface (UHF-Male / PL-259 compatible), it establishes an absolute mechanical bond for immediate fleet deployment readiness.
| Technical Specification Parameter | Value & Fleet Alignment |
|---|---|
| Product Brand Designation | Diamond Antenna (Original Manufacturing) |
| Hardware Model Designation | SR780 |
| Primary Component Classification | Compact Dual-Band Mobile Vehicular Whip Antenna |
| Operational Frequency Bands | 144 MHz (VHF / 2m) & 430 MHz (UHF / 70cm) Dual-Band Matrix |
| Antenna Wavelength Typology (VHF) | 1/4λ (Quarter-Wave) Electromagnetic Configuration |
| Antenna Wavelength Typology (UHF) | 5/8λ (Five-Eighths Wave) High-Efficiency Alignment |
| VHF Radiation Gain (144 MHz) | 2.15 dB |
| UHF Radiation Gain (430 MHz) | 3.4 dB Balanced Signal Propagation Boost |
| Maximum Input RF Power Rating | 50 Watts Continuous Peak Capacity (Total FM Matrix Threshold) |
| System Characteristic Impedance | 50 Ohms Nominal Optimization |
| Voltage Standing Wave Ratio (VSWR) | Less than 1.5:1 Tuned Bandwidth Minimum |
| Primary RF Interface Connection | MP Connector Base Terminal (PL-259 / UHF-Male Compatible) |
| Total Physical Height Length | 44 cm (0.44 Meters) Total Structural Whip Profile |
| Net Component Mass Weight | 330 grams Heavy-Duty Mechanical Build |
