GR-SATX Audio Surveillance Devices
GR-SATX offers unprecedented opportunities for remote audio monitoring, from anywhere on the planet, using Cellular + IoT connectivity, offering Worldwide 5G/4G/LTE, UMTS/HSPA+ and GSM/GPRS/EDGE coverage & an encrypted TX/RX connection using a physical on-board STSAFE element. Available in overt & covert models, with an emphasis on the latter, unhindered by range, signal loss, and many other issues faced with traditional VHF/UHF audio surveillance devices. Contact us to gain access to the product page.
Our specialty focuses on Audio Surveillance & Asset Tracking, featuring our own brand of dependable equipment for professionals and responsible citizens.
ASSET TRACKING
GPS Trackers & VHF Transmitters
For robust tracking, our subscription-free GPSTX is suitable for security & location monitoring of remote assets, VHF radio tags & GPSTX trackers are an invaluable tool for your domestic & global operations.


OTG AUDIO SURVEILLANCE
Live Audio Monitoring
Our UHF/VHF transmitters are capable of broadcasting valuable real-time ambient audio over long distances for hours, days, weeks and months.
SUPERB AUDIO FROM A TINY TRANSMITTER
Our smallest Audio Surveillance Transmitter measures in at just 6.3x18mm fully mounted, with a thickness of .8mm and weighs less than 7 grams, this tiny audio transmitter packs a powerful punch.
TRUE RANGE
Up to 1km range in an open field, and upwards of 700 metres in an urban environment. Penetrates drywall and concrete, even through dense bush and valleys.
RAPID DEPLOY
No programming required, no switches, no indicator lights. Our transmitters begin broadcasting audio once the battery is inserted.
CLEAR AUDIO
A highly-sensitive omnidirectional MEMS microphone along with a microphone amplifier are both on-board, providing crystal clear audio.

THE SURVEILLANCE CARD
This sleek business card-like transmitter has no external antenna, instead, an integrated PCB trace antenna has been designed in-line with the board which offers excellent transmission.

L1TX
For even more extended operating time, the L1TX offers 290 hours (12 days) of continuous & uninterrupted ambient audio surveillance.

L2TX
Our newest and most compact extended operating time surveillance transmitter. The L2TX uses a small but very capable CR123A Li-Ion battery.

V2TX
Highly reliable, compact, and excellent audio pick-up. the V2TX uses readily available 2x Alkaline AA batteries to provide more than a week of continuous audio surveillance.
CUSTOMS
For Covert Audio Surveillance.
Powerful & Cleverly Disguised Audio Surveillance Transmitters made to your specifications.

WIRELESS ANALOG TRANSMISSION
TINYTX's transmitters are easily paired with any compact hand-held transceiver. Any Two-Way UHF Radio will work, but we recommend the BaoFeng UV-5R from FengBros.

SDR COMPATIBLE
Audio/signal from our transmitters can be received using any inexpensive SDR USB dongle. Want an easy to use SDR? Here's one.

WILDLIFE BIOACOUSTIC MONITORING
Introducing the robust WTX4 wildlife live-audio surveillance transmitter. The WTX4 acoustic monitoring solution is solar powered & motion activated, it allows for continuous remote data collection and can serve to address questions across temporal and spatial scales.
WILDLIFE AUDIO SURVEILLANCE
Our wildlife series of transmitters provide researchers an unparalleled observational advantage, allowing them a 24/7 live audio surveillance feed from safe distances. This audio is being transmitted from a WTX1 transmitter which was used for a wildlife study in Delta Amacuro, Venezuela. The audio was captured in real-time using an SDR dongle which is capabale of directly recording all incoming audio.HAVE A NON-TRADITIONAL AUDIO SURVEILLANCE APPLICATION?
We can design for your needs.
TINYTX has designed and manufactured hidden and covertly disguised audio surveillance transmitters for several client projects and applications.
Contact us for turnkey solutions.