Skip to product information
1 of 6


SML RSM with Channel Selector

Regular price $ 224.95 USD
Regular price Sale price $ 224.95 USD
Sale Sold out
Shipping calculated at checkout.

Stone Mountain Limited (SML) Epic Remote Speaker Microphone (RSM) is the only RSM for PTT over cellular with a 10 channel selector and volume controls. It passes MILSTD-810G for vibrations and shocks, and it meets IP-68, making it resistant to micro particles and it may be submerged in 1 meter of water for up to 30 minutes. SML custom designed the Epic RSM to reliably connect to Sonim’s SecureAudio Connector on the XP5s and XP8 handsets. This allows the Epic RSM connector to screw into the handsets and draw power.

  • Compatible with Sonim XP5s and XP8 handsets
  • Push-to-Talk simplex and full-duplex Remote Speaker Microphone
  • Large and tactile PTT and emergency buttons
  • RampClik™ Volume Control, single button 10 step ramp up/step down
  • Meets MIL-STD-810G for resistance to vibration, shock, solar radiation, pressure and temperatures
  • Features WhisperTek™ sub-audible Tx audio and OutLoud™ high Rx audio output speaker for enhanced Voice Intelligibility
  • Ultra-sensitive, high gain omni-directional microphone for crystal clear transmit audio
  • 50mm Neodymium speaker for unsurpassed audio clarity
  • 100% gold plated PCB’s for unsurpassed performance and reliability
  • Built-in 360° rotating belt clip with positive detents every 45°
  • Microphone Sensitivity -40 dBV (0dB=1V/Pa)
  • Microphone Output Impedance 1kHz 2.2k ohm
  • Microphone Signal / Noise Ratio 1kHz 55 dB
  • Speaker Output Power 1w -SPL Avg 101 +/-3 dB/116+ dB
  • Speaker Impedance 8 +/- 15% Ohms @ 1000 Hz 1v
  • Speaker Sensitivity -40 dBV (0dB=1V/Pa)
  • Optional SureSeal™ for listen only headset and in-vehicle holder available
  • Designed and Assembled in the USA
  • 2 Year Limited Liability Warranty
  • Operating Temperature -30°C - +60°C
  • Epic Cable Length 6 ft extended
  • Epic Dimensions 3.1 x 2.5 x 1.1 inches w/o belt clip (1.7 inches w/belt clip), Weight 208g
  • Packaged Product Dimensions 7 x 4 x 2.75 inches, Weight 248g
  • Packaged Part No. 096962273620, Packaged UPC 096962273620

Data Sheet: 

Image of SML CSM Data Sheet

Frequently Asked Questions (FAQ)

Contact Us