The DIAMOND SRH770S dual band antenna (SMA) – SMA dual band portable antenna Frequencies: 144 / 430MHz Max. Power: 10 W Length: 70 cm Weight: 45 g is a commercial-grade, high-gain telescopic transceiver antenna precision-engineered to deliver secure voice synchronization, flexible multi-band spectrum tracking, and professional signal path tracking across active portable networks. Manufactured by Diamond Antenna, an international standard in high-performance RF engineering, this premium portable radiator overhauls low-efficiency factory rubber duck whips that limit communication range in localized dead zones. It stands as an essential operational procurement asset for industrial facility logistics, wilderness search and rescue coordination, multi-terrain event security crews, and high-volume B2B radiocommunication hardware accessory wholesale distribution channels looking to source original factory-genuine active components.
The advanced internal RF core of this high-compliance hardware element is optimized to operate seamlessly across dual allocation bands, targeting frequencies: 144 / 430MHz (VHF 2-meter and UHF 70-centimeter bands) with high resonance efficiency. This wideband agility yields low voltage standing wave ratios (VSWR) across standard commercial and amateur channels, protecting internal handheld transmitter power amplifiers from destructive reverse-power thermal accumulation. By projecting an expanded radiation pattern focused cleanly toward the horizon, the telescopic element maximizes signal path propagation over complex field environments, dense warehouses, and concrete industrial infrastructures while safely managing a max. power: 10 W operational power load limit.
Housed inside a premium, low-friction stainless steel telescopic column, the structural frame extends smoothly to a full operational length: 70 cm to optimize long-range fringe signals, yet collapses easily for discrete low-profile transport. Despite its deep physical clearance, it registers a lightweight net weight: 45 g to eliminate wrist fatigue and structural mechanical torque on the host transceiver’s top casing during continuous hand manipulation. Terminating in a standardized high-retention SMA male connection port with a heavy-duty threaded locking collar, this turnkey portable antenna eliminates the risk of intermittent signal drops and guarantees absolute field deployment readiness for your handheld fleet.
Technical Specifications
| Technical Parameter | Specification |
|---|---|
| Product Brand Designation | Diamond Antenna (Original Factory Genuine Japanese Premium Active Line) |
| Hardware Model Designation | SRH770S High-Gain Precision Series |
| Primary Component Classification | Telescopic Retractable Dual-Band Antenna for Handheld Transceivers |
| Active Operational Frequencies | Dual-Band Matrix: 144 MHz (VHF) and 430 MHz (UHF) Center-Point Resonance |
| Primary Base Connection RF Port | Standard SMA Male Threaded Connector (Mates with SMA female radios) |
| Rated Forward RF Power Capacity | 10 Watts (10W) Continuous Transmission Peak Limit |
| System Characteristic Impedance | 50 Ohm Nominal RF Link Standardization Profile |
| Antenna Radiation Wave Type | Multi-Stage Telescopic Extended Element with Horizontally Focused Fields |
| Chassis Core Material | High-Conductivity Stainless Steel Sectional Whip with Reinforced Base Polyurethane Collar |
| Total Extended Physical Length | 70 cm Full Extension Height Clearance Profile |
| Net Operational Hardware Mass | 45 grams (45g Balanced Low-Torque Structural Mechanical Weight) |
| Verified Hardware Compatibility Scope | Dual-band VHF/UHF handheld walkie-talkies (with standard SMA female top ports), RF adapter sleeves, facility maintenance bins, and test bench analyzers |
| Primary Fleet Utility Purpose | Turnkey handheld radio fleet outfitting, field signal tracking stabilization, deep-fringe range propagation expansion, and transmitter output circuit protection |
