Trimble SNR900 900 MHz Grade Control Machine Radio

Trimble SNR900

Trimble SNR900 Machine Radio
The Trimble® SNR900 machine radio modem enables you to establish a
robust, wireless
data broadcast network for real-time, high-precision earth moving
applications in the
construction industry.

The 900MHz frequency offers many advantages for the construction site:

  • Virtually immune to inference
  • No licensing is required
  • Low-latency, high-speed link allows two-way data between office
    and site
  • Ideal operating range for construction sites
  • Single Radio for ATS or GPS and Two Way IP Data

Designed for Machine Operation
The Trimble SNR900 radio has improved power conditioning over the
Trimble SiteNet
900 radio, allowing operation on 12V or 24V machines using direct
machine harness
power with no intermediate conditioning. The integral antenna, status
LEDs and rugged 8-pin connector
are durable and waterproof to ensure longevity even under the harshest

Utilizing 900 MHz spread-spectrum technology, the Trimble SNR900 radio
enables seamless network
connectivity from office to field. With more memory, more processing
power, and 128 kbps over-the-air
data rate, the SNR900 is truly the smart choice for your critical
wireless networking needs.

The Trimble SNR900 radio is certified for license-free operation in the
U.S.A., Canada, Australia and
New Zealand. This makes the SNR900 radio extremely portable, you can
move it from project to project
with licensing hassles and restrictions.


900MHz for productivity
Frequency hopping technology and 40 user-selectable networks equate to
a reliable network in virtually
any radio environment. The Trimble SNR900 radio is a plug in
replacement for the SiteNet 900 radio
and is fully compatible with existing Trimble 900MHz networks.

This versatile radio operates in the frequency range of 902–928 MHz,
receiving real-time GPS
corrections and providing two-way data on a single radio. The Trimble
SNR900 radio can also
communicate with an SNB900 base radio connected to a Trimble ATS
Construction Total Station.

The Trimble SNR900 radio is especially suited for use with sensor
independent grade control systems,
where the multi-functional radio reduces the number of components and
reduces complexity. It is ideal
for all machine applications where reliability is important. Fully
sealed against dust, rain, splash, and
spray, the Trimble SNR900 radio remains reliable even in harsh
conditions. The radio’s ruggedness and
reliability minimizes downtime, lowering ownership costs.

Trimble SNR900 Grade Control


  • License-free in the U.S., Canada, Australia and New Zealand
  • Direct operation on 12 or 24 volt machine power
  • Low-profile integral 0 dBi antenna (no need for antenna cables)
  • CAN interface
  • LED status indicators
  • Heavy duty 8-pin Bendix connector
  • Power and data via a single cable
  • Designed for machine mounting
  • Rugged and waterproof (fully sealed)
  • Frequency-hopping, spread-spectrum technology
  • Compatible with Trimble SiteNet 900 radio networks
  • Compatible with Trimble TRIMCOMM™ radio networks
  • Compatible with Trimble MS and SPS780 and SPS770 Series GPS
  • Compatible with the Trimble ATS Construction Total Station
  • High data rate
  • Low power consumption
  • Typical 3–5 km line-of-sight range (up to 10 km under optimal
  • 40 user selectable networks


Size 250 mm (height) x 85 mm (width)
(10″ x 3.4″)
Weight 0.9 kg (2.0lb)
Operating temperature –40 °C to +70 °C (–40 °F to +158
Storage temperature –40 °C to +85 °C (–40 °F to +185
Humidity: Exceeds MIL-STD-810E (aggravated
cyclic humidity)
Sealing: Environmentally sealed to ±34.5
kPa (±5 psi), immersible to 1m
Vibration: 6 gRMS, 20–2000 Hz random
Shock: Operational: ±40 g 10 msec:
Survival: ±75 g 6 msec
Input voltage range: 10.5 VDC to 32 VDC,
Power consumption Nominal: 250 mA (3 W)
Transmit: 1250 mA (15 W)
Connector: 8 Pin Bendix
Ports: 2x RS232, 1x CAN
Input protection: Reverse voltage protection, up
to 36 VDC
Load dump protected, compliant to ISO 7637 specifications
Short circuit protected
Modes: Rover
Range: Optimal: 10 km (6 miles),
Typical: 3–5 km (2–3 miles) Varies with terrain and operating
Frequency range: US/Canada 902–928 MHz
Australia 917-928 MHz
New Zealand 921-928 MHz
Networks: 40 user selectable networks
Transmit power: Meets FCC requirements of 30dBm
maximum power output.
Wireless data rate 128 Kbps

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Trimble SNR900Spec Sheet