The Move-Shoot-Communicate Framework
T.Rex’s approach to communications has consistently been framed in terms of the older “shoot, move, and communicate” triad. Communication enables coordination; coordination enables effective movement; movement enables the application of force. Of these three skills, the “move and communicate” pair is arguably the more decisive in small-team work — being in the right place at the right time, with the ability to coordinate with others doing the same, multiplies capability beyond what any single skill provides.
For most of the last century, that coordination was accomplished with a map, a compass, grid squares, and a radio. That basic toolkit still works. What has changed is the addition of digital tools that overlay mapping, position-sharing, messaging, and sensor integration on top of the radio layer. The Android Tactical Assault Kit (ATAK), and its civilian counterpart the Android Team Awareness Kit, is the dominant expression of this. It is fundamentally a mapping tool — capable of ingesting GIS data, satellite imagery, elevation models, 3D terrain, and a wide variety of imported file types — combined with a communication framework that lets users on a shared net see one another’s positions, share markers and routes, and route radio traffic from inside the application.
On the military side, ATAK has accumulated capability over time: target handoff to mortar and artillery teams, close air support coordination, drone control, bomb-disposal robot control, and integration with satellite, security camera, and drone video feeds. On the civilian side, the public release version is more limited — plugins are restricted, and many of the radios that natively integrate (Harris PRC-152, certain L3Harris and Motorola products) are either prohibitively expensive or licensed for users who already operate inside a professional radio infrastructure.
Mesh Radio Options for ATAK
The most frequently recommended civilian-accessible mesh radios that integrate with ATAK fall into a clear price-to-performance gradient: Meshtastic at the low end (roughly $100 per node for a fully assembled RAK Wireless unit, though bare boards are cheaper), Beartooth Mk II in the middle (roughly $750 per node with the T.Rex referral code, otherwise $1,250), and goTenna Pro X2 at the top (roughly twice the Beartooth price, with additional licensing requirements because the units are encrypted and run on business-band frequencies).
Meshtastic runs on the 900 MHz ISM band using the LoRa (Long Range) Internet of Things protocol. Power output varies by hardware — some boards are 100 mW, some are a full watt. The platform is open source, which is both an advantage (auditable, customizable, infinitely configurable form factors) and a constraint (the underlying LoRa firmware and chipsets are not fully visible, the routing approach is essentially flooding which scales poorly, and constant updates can break working configurations). Form factors range from bare boards to T-Beams with onboard screens and GPS, to keyboard-equipped messengers, to weatherproof solar-powered repeaters.
Beartooth Mk II also operates in the 900 MHz band but uses the XBee Pro protocol, which provides smarter dynamic routing rather than simple flooding. The unit has no buttons beyond power — it pairs to an end-user device over Bluetooth and is operated entirely through the ATAK plugin. The Beartooth ATAK plugin is the most capable of the three, supporting location, pins, text, small images, small data packages, and push-to-talk voice over IP. Battery life is two to three days. The enclosure is 3D-printed nylon-11 — durable, but not at the level of injection-molded waterproof construction. Beartooth also produces a gateway product with Ethernet ports that can run a local TAK server or bridge to other networks via Starlink or similar.
goTenna Pro X2 uses VHF/UHF frequencies at 5 watts with the proprietary Aspen Grove routing protocol. Range per hop is the longest of the three, the units are well-finished and ruggedized, and third-party support (Bunker Supply cases and mounts, etc.) is mature. The cost of that range is a much larger RF signature in the business band — a tradeoff against low probability of intercept.
Range, LPI, and the Real-World Bandwidth Problem
A common assumption is that range and stealth scale together. They do not. Higher transmit power and lower frequencies give more range per hop but make the signal easier to detect and locate. The 900 MHz ISM band has substantial ambient noise from commercial sensors and industrial telemetry, so a sub-watt LoRa or XBee transmission tends to blend into existing clutter. A 5-watt VHF or UHF business-band transmission stands out.
Frequency-hopping spread spectrum is also no longer the cloaking device it once was. A $20 SDR can see enough of the spectrum at once that a hopping signal is visible across all the channels it touches. What spread spectrum still provides is improved performance in the presence of interference and resilience against light jamming — not invisibility.
All of these radios advertise AES-256 encryption, which is genuinely secure as a cipher. Privacy — not being detected at all — is a separate problem from security and is generally harder.
In real-world use, the advertised one-to-two-kilometer range across broken terrain drops considerably in heavy vegetation. Mesh networks compensate by adding nodes, but every node spends most of its bandwidth retransmitting other nodes’ traffic. A 10 kbps real-world channel may have only one or two kbps available for an individual user’s own messages once the network is forwarding. Meshtastic’s flooding approach is the most affected by this; XBee Pro and Aspen Grove route more efficiently.
Higher-end radios in this category — the Persistent Systems MPU5 and Silvus StreamCaster series — operate at higher frequencies (around 2.4 GHz) and higher wattages (6 to 20 watts) for vastly higher bandwidth, enough to carry video and drone telemetry. They are a different class of equipment, both in capability and price, but their higher frequencies penetrate obstacles less effectively than 900 MHz signals.
Software-Defined Radio and Spectrum Awareness
Underneath much of this is the broader shift to software-defined radio. The cheap handhelds, the high-end mesh nodes, and the consumer SDR sticks (RTL-SDR at around $30, HackRF at around $200) are all built on the same core idea: a radio whose tuning, filtering, and demodulation are done in software rather than in fixed analog components.
The practical consequence for the user is wide-spectrum visibility. Instead of tuning one frequency at a time, an SDR shows a waterfall display of everything in a chosen slice of the spectrum simultaneously. This is what makes frequency-hopping signals visible, and it is what makes basic spectrum awareness — seeing what is being transmitted in your area — accessible at consumer prices. Tools like the HackRF PortaPack with the Mayhem firmware bundle dozens of pre-built receive and transmit applications: ADS-B aircraft tracking, Bluetooth device enumeration, smart-meter monitoring, key-fob capture and replay, FM and SSB demodulation, and others.
The transmit side is more constrained. The FCC regulates transmission heavily; reception is largely unrestricted. This asymmetry is worth understanding when planning what is legally and operationally possible.
Fiber and Non-RF Alternatives
Not every communication problem is best solved with RF. Optical fiber has become extremely cheap — pennies per foot — and is being used in Ukraine to control FPV drones with no RF signature at all, immune to jamming and spoofing. The same technology has long been used for perimeter intrusion detection: a single strand of fiber buried along a fence line can detect vibrations along its length and, with appropriate signal processing, distinguish vehicles from foot traffic from animals. Fiber-optic gyroscopes provide inertial reference far more accurate than the MEMS sensors in a phone, useful when GPS is jammed or spoofed.
The military, commercial, and industrial versions of these systems exist today but carry institutional price tags. Bringing them down to the consumer level — local manufacture, smaller controllers, simpler installation — is the kind of work that complements the RF-based mesh radio ecosystem rather than replacing it. Each layer has different failure modes: fiber is unaffected by EMP and lightning but vulnerable to physical damage; RF is unaffected by physical breaks but vulnerable to interception and jamming. A robust communication posture uses both.
Selecting for the Mission
The honest summary is that price tracks performance fairly closely across this category, and the right choice depends on the user. Operators integrating with first responders who already hold business-band licenses are best served by goTenna Pro. Tinkerers willing to print cases, source antennas, and tolerate firmware churn get the most for their money out of Meshtastic, particularly for community-scale networks, solar repeaters, asset trackers, and similar persistent-infrastructure roles. Users who want an ATAK-ready solution with minimal setup, encrypted comms, no licensing requirement, voice push-to-talk, and the most complete plugin in the category land on Beartooth.
None of these replaces the underlying skills. The radios are tools for moving and communicating; they do not substitute for knowing where you are, where you need to be, and how to coordinate with the people moving with you.