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Stone Mountain, Ltd. Introduction

Stone Mountain, Ltd. Introduction. Established in January 2002. Business model is to provide high quality, extremely rugged and reliable speaker microphones to the land mobile radio (LMR) market, focusing on Public Safety, Emergency Response, Military and Industrial applications.

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Stone Mountain, Ltd. Introduction

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  1. Stone Mountain, Ltd. Introduction • Established in January 2002. • Business model is to provide high quality, extremely rugged and reliable speaker microphones to the land mobile radio (LMR) market, focusing on Public Safety, Emergency Response, Military and Industrial applications. • We offer two speaker microphone platforms (Sword and Juno), a PTT platform (Utah) and several audio accessories (Omaha Series). All major OEM radio platforms are supported. • See www.stonemountainltd.com for more details.

  2. Product Lines Juno™Speaker Microphone • Juno speaker microphone series. • Sword speaker microphone series. • Utah chest PTT series. • Omaha audio accessory series.

  3. Sword Speaker Microphone • Designed for Law Enforcement, Military, Fire Fighting, Utility, and Industrial users. • 50 mm. Mylar speaker. • Supports a full line of 2.5 mm., 3.5 mm. and six pin Hirose connector accessories. • Immersion rated to two meters for 60 minutes. • 24 month warranty.

  4. Sword ProBand Antenna Series • Antenna incorporates Printed Circuit Flex Film Technology (PCFFT) . • Antenna is included with speaker mic. • Micro miniature custom coax cable and connectors. • Full six foot extended coil cable. • Supports a full line of 2.5 mm., 3.5 mm. and six pin Hirose connector accessories. • Supports 700 & 800MHz. frequency. • Immersion rated to two meters for 60 minutes. • 24 month warranty.

  5. Sword TruBand Antenna Series • Micro miniature custom coax cable and connectors. • Full six foot extended coil cable. • Supports a full line of 2.5 mm., 3.5 mm. and six pin Hirose connector accessories. • Supports VHF, UHF, 700, 800, and 900MHz. frequencies. • Antenna is purchased separately from speaker Mic. • Immersion rated to two meters for 60 minutes. • 24 month warranty.

  6. Sword TruBand Antenna Series • VHF 136MHz - 144MHz • VHF 145MHz - 148MHz • VHF 150MHz - 162MHz • VHF 155MHz - 164MHz • VHF 164MHz - 174MHz • UHF 400MHz - 449MHz • UHF 450MHz - 469MHz • UHF 470MHz - 512MHz • 800MHz - 866MHz • 900 902MHz - 960MHz

  7. Speaker Microphone Design Ideology • Z-Axis design for manufacturability and ease of repair. • Modular design to facilitate upgrading. • Interchangeable components to minimize inventory. • No soldered connections - All gold plated custom connectors and pressure contacts for reliability in harsh environments. • Integrally molded buttons for environmental sealing. • Two shot revolving platen overmolding provides comfortable rubber user interface.

  8. Engineered Materials • Substrate is a custom engineered PC/ABS blend thermoplastic polymer. • Overmold is a thermoplastic elastomer alloy designed especially for bonding to the substrate PC/ABS polymer. • Molded concurrently in a two shot revolving platen overmolding process for optimum quality and part integrity. • Allows emergency button, push to talk (PTT) and volume control interface buttons to be integrally molded to the case, resulting in unprecedented sealing capability.

  9. Form Factor • Intuitive button locations. • Ergonomic form factor. • Comfortable rubber interface. • Roman arch design allows extreme compression loading in any direction. • Attractive design. • Form follows Function.

  10. Receive Audio System • Conventional forward acoustic speaker porting. • Additional dual radial acoustic speaker porting - Allows speaker mic to be worn in any orientation without degradation to acoustic performance. • Speaker cavity self draining feature. • No speaker cloth to trap dust/debris-Clean speaker cavity by flushing with tap water. • Superb acoustic performance and clarity throughout the entire life of the product.

  11. Microphone Porting - Sword • AllClear microphone porting system. • Protected 3.5mm. microphone opening. • Sculpted, polished intake geometry removes surface tension – Minimizes trapped water and debris. • Enhances mic sensitivity. • Self clearing capability. • Integrally protective hood directs falling water away from mic opening. • Maintains clear transmit audio even when covered with water.

  12. Microphone Porting - Juno • AllClear microphone porting system. • Oversize 3.5mm. microphone opening. • Sculpted, polished intake geometry removes surface tension – Minimizes trapped water and debris. • Enhances mic sensitivity. • Self clearing capability. • Integrally molded ribs in protective hood directs falling water away from mic opening. • Maintains clear transmit audio even when covered with water.

  13. Integrally Molded Buttons • PTT • Large contact area. • Positive tactile response. • Intuitive location. • Volume Control • Discrete high and low buttons. • Programmable on certain radio models. • Emergency • Recessed design coupled with custom 200 gm. and 320 gm. contact force switches to eliminate false emergencies.

  14. Belt Clip Belt Clip w/o screws - SMX25155 Belt Clip w/ screws – SMX26755 • Large, rugged design. • PC/ABS custom engineered polymer. • High quality stainless steel components for reliability and corrosion resistance. • 360° rotation with positive detents at every 45°. • High closure force. • 180 degree lip for positive retention. • Accommodates any tactical gear, turn out coat, etc. • Easy to replace and repair.

  15. Custom O-Ring Seal Screws Seal Screw Assembly, K22xK6 – SMX19086 • Custom designed and tooled. • Discrete low durometer silicon o-ring seal. • Recessed screw head for mating o-ring means no compression set - Maintains a reliable seal over the life of the product. • Nickel plated to protect against corrosion in harsh environments. • Standard Torx drive throughout for positive, repeatable engagement torque during installation. • Reusable. Seal Screw Assembly, K22xK14 – SMX19024

  16. Speaker & Installation • High quality Mylar speaker. • Heavy duty magnet and construction. • Miniature connector interface. • Attached to front cover with custom designed and tooled pressure sensitive adhesive (PSA) component. • Hermetically sealed via robotically dispensed engineering adhesive compound.

  17. Dynamic Transfer Bars Sword PTT Transfer Bar – SMX19056 • Overmolded dynamic transfer bars for emergency and PTT buttons. • Ensures positive actuation over entire button user interface surface. • Maintains tactile response throughout product life. • Custom “ball and socket” mating interface - Ease of assembly and repair. Emergency Transfer Bar – SMX19007

  18. Custom Snap Dome Switches 200 gm – SMX19506 Used for Emergency Button 320 gm – SMX19013 Used for Volume Control • Custom designed and tooled. • 100% gold plated. • Side actuating snap domes in 200 gm. and 320 gm. contact force. • Pogo pin printed circuited board (PCB) interface-No soldering/no wires. • Allows Z-axis assembly. • Facilitates repair. • Custom “ball and socket” mating interface - Ease of assembly and repair. • Extensively tested in house and verified to one million actuations minimum. Front Cover Assembly – SMX19931

  19. Transmit Audio System Microphone Assembly – SMX19688 • Four component custom designed and tooled proprietary microphone acoustic gasket assembly. • Custom designed and tooled silicon rubber acoustic boot. • High sensitivity omni directional microphone. • Miniature connector interface for ease of assembly and repair - No soldering. • Custom designed and tooled silicon rubber sound port. • Superb transmit audio and clarity. Sword Sound Port – SMX19058 Microphone Boot – SMX19687 Microphone Gasket – SMX19770

  20. Rear Cover Assembly • PC/ABS custom engineered polymer. • Compression molded, custom designed and tooled low durometer silicon rubber environmental seal. • Low compression set speaker support component. • Labyrinth design venting system with waterproof gaskets. • 100% of all seal interface surfaces are highly polished for reliable environmental sealing. • Discrete sub assembly supports Z-axis assembly - Ease of repair. Rear Cover Assembly – SMX19061

  21. Main PCB Assembly • Self aligning via integrally molded mating geometry in the front cover. • 100% surface mount technology (SMT) components. • 100% gold plated for optimum conductivity, performance and reliability in harsh environments. • No hand soldering - Easy to repair. • All Main PCB’s will accommodate every SML cable/accessory option with existing SMT connectors - Easy to upgrade. • Clean, efficient design.

  22. Cable Attachment & Accessories • Supports system accessory option upgrade. • Aircraft aluminum grade cable clamps, includes holes for easy release and repair. • Integrally overmolded waterproof accessory interfaces in the cable. • Options include 2.5 mm, 3.5 mm. and 6 pin Hirose. • Miniature connectors throughout - No soldering.

  23. Cable – Strain Relief, Sealing & Performance • Custom designed, machined high strength brass ferrules, crimped to the cable. • 50K cycle endurance rating. • Overmolded with custom engineered thermoplastic polyurethane (TPU). • Designed using finite element analysis (FEA) for optimized strength to weight ratio. • Integrally molded o-ring seal interfaces with high qualitysilicon rubber o-ring seals. • Integrally molded locking geometry prevents rotation of cable and subsequent damage to the electrical connections. • 200 Newton minimum rated pull strength.

  24. Radio Connector (RC) Design • All RC’s are either custom tooled by SML or sourced from quality OEM RC suppliers. • Most SML tooled RC’s are fastened together using seal screws - No snap fits. • All SML tooled RC’s include miniature connectors - No soldered wires. • Most SML tooled RC’s include multiple molded silicon components for redundant environmental sealing. • Custom three layer PSA includes silicon and acrylic adhesive components. • All seal surfaces 100% polished.

  25. Radio Connector (RC) PCB • All RC PCB’s are either custom tooled by SML or sourced from quality OEM RC suppliers. • All SML tooled PCB’s are 100% surface mount technology (SMT). • All SML tooled PCB’s are 100% gold plated for optimum reliability in harsh environments. • All SML tooled PCB’s are fully connectorized for ease of assembly and repair. • High strength, gold plated pogo pins for long, reliable life.

  26. ProBand Antenna Technology • Printed Circuit Flex Film Technology (PCFFT) allows miniaturization of the physical antenna envelope. • High RF performance. • Bendable and durable. • Will not corrode or rust. • Waterproof. • Low profile. • Light weight. • Supports 800MHz., with 700MHz and 900MHz. pending.

  27. ProBand Assembly • Custom engineered thermoplastic elastomer alloy overmolded antenna assembly. • High quality, low durometer discrete silicon o-ring sealing component. • Antenna included with speaker microphone - No need to dismantle radio antenna. • No soldered connections for ease of repair and high reliability. • Micro miniature, low loss coax connectors and cable allow full six foot extended coil cord. Plated Rear Cover – SMX19875

  28. TruBand Assembly • Replaceable injection molded 1/4 wave helical antenna. • High quality, low durometer discrete silicon o-ring sealing component. • No soldered connections for ease of repair and high reliability. • Replaceable gold plated surface mount RF PCB. • Micro miniature, low loss coax connectors and cable allow full six foot extended coil cord. • VHF, UHF, 800MHz. and 900MHz. antennas. Plated TruBand Rear Cover Assembly – SMX25072

  29. RF Plating • Cutting edge vacuum metallization plating process using copper and nickel materials. • High conductivity. • Excellent shielding. • Will not rust, corrode or degrade in corrosive environments. • Highest quality. Sword Plated Front Cover – SMX19933

  30. Cable Assemblies • Six foot fully extended cable assembly. • 100% fully connectorized signal and coax interface to speaker mic head and all SML tooled radio connectors - No soldered connections. • Integrally overmolded, environmentally sealed accessory interfaces in the cable. • Options include plain, 2.5 mm., 3.5 mm. and six pin Hirose. • Rugged 5.5mm. diameter OD cable – Industry’s largest. • Absolute highest quality, most rugged cable assembly available.

  31. Available Options • ProGain - User adjustable microphone gain system. • AGC - Automatic Gain Control feature. • Stainless steel knurled thumb screw. • Interface to various OEM headsets, SCBA’s, etc. • Standard or half length cables (most models).

  32. ProGainTM System • Allows the user to custom attenuate the speaker mic Tx audio microphone gain. • Easy to access, sealed adjustable gain potentiometer. • Maintains system environmental seal/immersion rating. • Adjust microphone gain from maximum to minimum transmit power – Allowing close quarter communications by eliminating feedback. • Simply remove the belt clip via four T6 Torx fasteners - Adjust mic gain with a small screw driver. • Available on both Sword and Juno.

  33. AGC - Automatic Gain Control • Unique to SML • Mounts to main speaker mic PCB. • Custom tunable via software inputs. • Automatically adjusts the microphone sensitivity and provides a consistent level of receive audio • Useful If the user is whispering, shouting, or if background noise such as wind or industrial noise is present. • Increases performance and addresses interface problems typical with accessories such as headsets and SCBA communication systems. • Available on Sword.

  34. Sword Technical Specifications • Microphone Element Omni directional • Microphone Sensitivity -40 dBV (0dB=1V/Pa) • Speaker Diameter 2.0” (50 mm) • Speaker Output Power ½ to 1 W (dependent on radio brand/model) • Speaker Output Level (SPL) 93 to 100 dB SPL (dependent on radio brand/model) • Operating Voltage Range 5.0 to 9.0 VDC (microphone) • Female Accessory Jacks 3.5 mm & 2.5 mm for remote Rx audio or 6 pin Hirose HR10A 7R 6S “Locking Quick Disconnect” for remote Tx/Microphone, Rx/Earphone and PTT functions • Frequency Response 300 – 3000 Hz • Distortion 4% (speaker) • Dimensions 3⅜” L x 2⅝” W x 1” H (84.8 mm x 66.0 mm x 26.8 mm) • Weight 7.5 oz (212 gm) • Operating Temperature -30°C to +60°C • Storage Temperature -57°C to +80°C • Volume Control Up (+) and Down (-) buttons for adjustable volume control • Rotating Clothing Clip 360°with positive detents at every 45° • Cable Assembly Flex Life 50,000 cycles

  35. Cable Assembly Pull Strength1 45 lbs. (200N) tensile strength, in line with speaker mic • Cable Assembly Pull Strength2 45 lbs. (200N) tensile strength, perpendicular to speaker mic • Immersion Rating3 One (1) meters for thirty (30) minutes • Mil-Std 810C, D, E & F Specs Designed to meet or exceed • Low Pressure 500.4/I & II Yes • High Temp 501.4/I & II Yes • Low Temp 502.4/I & II Yes • Blowing Rain 506.4/I3 Yes • Leakage 512.4/I3 Yes • Humidity 507.4/II Yes • Salt Fog 509.4/I Yes • Blowing Dust 510.4/I Yes • Vibration 514.4/I/CAT 1 & 104 Yes • Shock 516.5/I & IV Yes • Temp Shock 503.4/I Yes • Solar Radiation 505.4/II Yes Footnotes: 1 Straight pull strength, at speaker microphone end 2 Right angle pull strength, at speaker microphone end 3 Speaker mic only, excludes radio device connector 4 Curve W

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