RAM® Remote Speaker Mic with USB-C for ESChat & Zello
Ball Base Information
"RAM" Prefix Code
To provide lightweight strength and corrosion resistance, RAM is made of marine grade Aluminium with a black powder coated finish, stainless steel hardware and 'rubber balls' - 'RAM' products are stiffer and stronger than their 'RAP' variants and typically used in more rugged applications.
"RAP" Prefix Code
Many of our 'RAM' products are available in a 'RAP' - composite variant. Our composite 'RAP' products are generally designed for lighter duty applications where keeping the weight of the mount low is a priority.
RAM® BALL SIZES
The weight limits below are a guide only. All factors in a planned mounting configuration should be considered to choose the most suitable ball size.
The most common ball size applications:
B Size - Action Cameras, Phones and Small Tablets
C Size - Medium - Large Tablets in Heavier Duty Applications
D Size - Heavy and Rugged Tablets and Laptops in Commercial Applications
Please check with our technical team for advice.
Backorder parts are normally available within a 4 to 6 week timeframe. Please contact our sales team for more accurate delivery information.
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Features
- 2-in-1 microphone and speaker for amplified audio and push-to-talk (PTT)
- Uses a USB-C connector for reliable PTT or PTT over Cellular (PoC) when paired with a RAM® tablet or phone dock
- Service compatibility specifically tested to work with ESChat and Zello’s PTT platform
- Lightweight and simple design with clear access to volume buttons, audio port, and PTT button
- Backed by a 3-year warranty
The RAM® Remote Speaker Microphone with USB-C for ESChat & Zello (RAM-RSM-A04) delivers clear, reliable push-to-talk (PTT) and speaker functionality through a USB-C connection and is designed to support Push-to-Talk over Cellular (PoC). Designed for field operators who prefer an all-in-one PTT solution, this lightweight remote speaker microphone pairs seamlessly with any RAM® tablet or phone docking solution—ideal for public safety, utility services, logistics, delivery fleets, and more.
hardware included
(1) Microphone
(1) Mounting Clip & Hardware
speaker specifications
Max Volume Level: 94db +/- 3DB (@1000-2000HZ)
Impedance: 12 OHM (+/- 15%)
Rated Noise Power for 100hrs: 1.5W @ 4.24VDC
Long Term Max Power 1min On / 2min Off: 2W @ 4.90VDC
packaging type
Poly Bag
power specifications
Operating Voltage: 1.2VDC - 5VDC
Current Consumption 100UA - 500UA
Output Impedance @ 1KHZ Max 2.2K Ohms
Signal to Noise Ratio: 1KHZ 60+ DB
Max Input SPL 110DB
Moisture Ingress Rating IP67
operating temperature
-10°C to +55°C
ports
3.5mm TS Female - Mono Audio Out Only
certifications
IP67, IPCWHAA-A-620B Pull Strength
USB-IF Certified
FCC, UKCA, CE (RED), RoHS, WEEE, IC
Weight
0.21 kg