Actisense Pro Nmea Buffer - 1 Opto Input, 6 Iso-Drive Outputs, Serial Port, Pluggable Screw Terminals
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Actisense Pro Nmea Buffer - 1 Opto Input, 6 Iso-Drive Outputs, Serial Port, Pluggable Screw Terminals
PRO NMEA Buffer - 1 OPTO Input, 6 ISO-Drive Outputs, Serial Port, Pluggable Screw Terminals
Safely connect one Talker to six Listeners with full isolation.
The Type-approved NMEA Buffer PRO-NBF-1 Buffer isolates and buffers NMEA 0183 data, with the power to drive multiple devices.
Able to distribute up to six identical, amplified streams of data from one source, the NMEA signals are buffered to ensure that each Listener receives the data at the required voltage levels, providing consistent data quality.
Isolation of the input and outputs ensures the protection of the source Talker device and Listener devices.
The NMEA Buffer has ISO-Drive™ technology on the outputs and OPTO-isolation on the input, which enables you to connect the NMEA 0183 Buffer with complete peace of mind.
The stainless steel housing makes the device rugged, sturdy, and gives it increased durability. The metal case also acts as an RF Shield, making the device an ideal addition to commercial installations.
To make installation quick and simple, the PRO-NBF-1 features 2-part pluggable connectors that allow use of screw terminals*, and a professional DIN Rail mounting system (DIN Rail not included). The device can also be mounted directly to the bulkhead.
The optional strain relief brackets can be provided to ensure reliable professional cable management.
Helpful LEDs indicate power, input, and output operation.
Features:
- One Opto-Isolated Input
- Six ISO-Drive™ outputs
- Outputs automatically track the input baud rate
- RS-232, RS-422 and RS-485 Listener compatible
- ISO-Drive separates the Listener from the Talker to protect both the PRO-NBF-1 and each connected device
- Wide compatibility means simplified installation
- Simple installation saves time and money and provides peace of mind
- Type Approved (RINA)
Technical Specifications:
Power Supply
- Input Supply Voltage - 9 to 35V DC
- Input Supply Current - 150mA max @ 12V DC (all outputs @ full drive into 100Ω loads)
- Input Protection - Continuous reverse polarity and ESD protection
- Power Indicator - LED, Blue – Indicates unit is functioning correctly
- Input Supply Connector - Pluggable 2-way screw terminal, 5.08mm pitch
NMEA 0183 Port – Listener & Talkers
- Number of Listener / Input Ports - One isolated NMEA 0183 Listener
- Number of Talker / Output Ports - Six isolated NMEA 0183 Talkers
- Compatibility - Fully NMEA 0183, RS422 & RS232 compatible. RS-485 Listener compatible
- Speed/baud rate - 4800 to 115200 bps
- Talker Output Voltage drive - >= 2.2V (differential) into 100Ω
- Talker Output Current drive - 20mA max.
- Talker Output Protection - Short circuit and ESD
- Talker Data Indicator - LED, Orange (Flashes at data rate)
- Listener Input Voltage Tolerance - -15V to +15V continuous, -35V to +35V short term (<1 second)
- Listener Input Protection - Current limited, overdrive protection to 40V DC, and ESD protection
- Listener Data Indicator - LED, green (Flashes to indicate valid input)
- Connectors - Pluggable 2/3-way screw terminals, 5.08mm pitch
Isolation
- NMEA 0183 Listener - OPTO-Isolated, Hi-Pot tested to 1000V
- NMEA 0183 Talker - Uses IsoDriveTM, Hi-Pot tested to 1000V
Mechanical
- Housing Material - 316 Stainless Steel
- Dimensions - 139mm (L) x 128mm (W) x 27mm (H)
- Weight - 335g
- Mounting - Bulkhead mount or DIN rail mount (DIN kit 1)
Approvals and Certifications
- EMC - EN 60945:2002 (Fourth Edition – 2002), DNVGL-CG-0339:2019
- Compass safe distance - 600mm
- Type Approval Certificate - RINA
- Operating Temperature - -25 to +70°C
- Storage Temperature - -40 to +85°C
- Maximum Relative Humidity (RH) - 95% @ 55°C
- Environmental Protection - IP40
- Guarantee - 5 Years
Manufacturer Part Number: PRO-NBF-1
| Special Shipping Message | Free Ground Shipping* |
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| Manufacturer Part Number: | PRO-NBF-1 |
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Return Policy
Hodges Marine accepts returns for up to thirty (30) days after shipment. Our return policy does not apply to the following goods: Open software, mapping/chart data cards, programmed AIS units, opened/registered KVH Starlink products, trolling motors, international orders, freight truck only items, and special order items. These items are not eligible for return, refund or exchange. Shipping charges (if any) are non-refundable. If your return is accepted by Us, We will provide one of the following within a reasonable time: an exchange of merchandise for the item returned, a non-transferable merchandise credit, a credit to the payment card or original method of payment used to pay for the item, a check, or another remedy that we determine in good faith is appropriate in the circumstances. Customer must request a return merchandise authorization (RMA) through the product returns link on our website or by emailing us at [email protected]. A RMA number will be issued with instructions for returning the package within a reasonable time (normally 1-3 business days).
Defective Products:
A prepaid return shipping label will be provided for defective items if deemed necessary by the manufacturer. The customer must first contact the manufacturer for technical support to confirm product is defective and that product replacement is deemed necessary. Please provide the name of the technician, serial number, and details about the defect. Return instructions and a label will be provided.
Non-Defective Returns:
Eligible non-defective products may be returned for a full refund minus shipping paid (if any). To be eligible for a non-defective return, your merchandise must be unused/unopened and must be in the original packaging. Non-defective returns that show signs of installation/use, missing parts/packaging, missing proof of purchase/UPC code, or have serial numbers that do not match our records will not be accepted. Customer is responsible for return shipping costs of non-defective returns. You should consider using a trackable shipping service or purchasing shipping insurance for items of value. Hodges Marine is not liable for lost or damaged return packages.
General - Cancellations, Shipping Damage, Missing Packages, Shipment Refusals:
Orders that you submit online are processed immediately and may not be cancelled, and you may need to wait until you receive the merchandise in order to return it. Claims of shipment damage, incorrect/missing items, or non-receipt of goods must be made within seven (7) days. Customer is responsible for all costs associated with refused shipments or return to sender (RTS) shipments including carrier fees, freight to the customer, and return freight. We reserve the right to refuse returns that are sent COD, without a return authorization, show signs of undisclosed installation/use, has missing parts/packaging, missing proof of purchase/UPC code, or have serial numbers that do not match our records. If you do not comply with any of the above conditions, We reserve the right to refuse the return/exchange, or to impose different or additional conditions. Please see our TERMS AND CONDITIONS for additional applicable information.
Last Updated: JUNE 09 2026
Please email us at [email protected] or use the product returns link.