GPS over Fiber - Reference Timing Fiber Optic Waterproof Solution

Part Number F-GPS-TX-WE / F-GPS-TX-RM

The Thor Fiber GPS over Fiber outdoor weather kit allows you to send a GPS signal over long distances for synchronizing cellular base stations.
Allows transmission of all the main signals in the GPS band: L1, L2, L3, L4, L5, L6, L7.
By using a built-in LNA, this GPS over Fiber link is designed to offer a very low noise figure.
Sending GPS over coax is very difficult over long distances, so our GPS system has many different advantages:
Units have LCD displays to show RF and optical levels that are built into our units.
The transmitter shows incoming RF level and optical output power. The receiver has a built-in optical power meter and RF output level meter, allowing simple troubleshooting.
The transmitter is waterproof, and the receiver is rack-mountable in a 1RU chassis.
The transmitter has Bias-T and can power an active GPS antenna.
Both transmitter and receiver have dual redundant power supplies, making them very robust and pragmatic for commercial architectures.

These systems are very easy to deploy and can offer various configurations for many applications.
The main receiver is 19' rack-mountable, but the transmitter has a built-in compact enclosure that is deployable in any environment.
Units are used as a point-to-point transmission from the transmitter to the receiver, but the transmitter can be accompanied by our optical splitters, which can be used for point-to-multipoint applications (star configuration) 1x2, 1x4, 1x8, 1x16 and 1x32.
It's also possible to add additional splitters on the receiver side and have up to 6 GPS outputs on the receiver (special order).
You can add 1x2 optical splitters to the receiver and use them as in-line from one receiver to the next in a cascading configuration for easy distribution.

Our GPS equipment is designed to support a wide range of GPS signals, ensuring maximum performance, accuracy, and flexibility across different applications. The equipment is compatible with the latest modernized GPS signals, enabling enhanced precision, robustness, and reliability for both civilian and military use. Below is a list of the GPS L bands and their corresponding frequencies that our equipment supports:

Supported GPS L Bands and Frequencies:

1. L1 - 1575.42 MHz
   Civilian (C/A code), Military (P(Y) code)

2. L2 - 1227.60 MHz
   Military (P(Y) code), Civilian (L2C code)

3. L3 - 1381.05 MHz
   Nuclear Detonation Detection (Not used for navigation)

4. L4 - 1379.913 MHz
   Ionospheric Research (Limited Use)

5. L5 - 1176.45 MHz
   Civilian Safety-of-Life (Aviation)

6. L6 - 1278.75 MHz
   Commercial Use (GPS III)

7. L7 - 1267.6 MHz
   Modernized GPS III Signal

This comprehensive support ensures our equipment can deliver accurate positioning and navigation in diverse environments and scenarios, from basic navigation tasks to advanced, high-precision applications.

• Supports L1 at 1575.42 MHz, L2 at 1227.60 MHz, L3 at 1381.05 MHz, L4 at 1379.913 MHz and L5 at 1176.45 MHz, L6 at 1278.75 MHz, L7 at 1267.6 MHz GPS bands
• Waterproof transmitter - NEMA 4 fiber transmitter for outdoor weather enclosure
• 19" rack-mountable receiver
• 50 ohm N type RF connector or TNC by request
• +5V DC to the GPS antenna
• Dual power supplies
• Optical meter built in
• RF meter built in
• RS232 communication and setup
• SC/APC fiber connectors
• Transmitter supports up to 32 receivers
• Transmits all common GPS, GALILEO and GLONASS bands
• L1 and L2 GPS frequencies
• Link operation 1m to 50km
• >50km systems also available
• GPS antenna powering and monitoring
• DAS, WiMax, Satcom, LTE
• Time server load input/spoofing
• Simple plug and play
• Fiber-Span replacement product
• Thor Fiber standard 5 year warranty included

GPS-over-Fiber Applications:

• Cell towers
• Cellular Base Station Equipment
• Shelters
• Aircraft
• SATCOM
• Vehicles
• Naval
• Bunkers
• Subways
• Underground Parking Structures
• Tunnels
• Submarines
• Aerospace and Defense
• Mines and Mining
• Drilling Ocean Towers
• Underwater Structures

IMPORTANT NOTE*** (It is very important to interface our unit with SC/APC - Angle Polished Connector to avoid any light reflections.)

If your fiber is terminated with the SC, ST, FC /PC flat connector, you need to use an optical jumper from PC type to SC/APC for proper conversion.

Transmitter  -Weatherproof Enclosures NEMA 4 and dual power supply, LCD display, RF and Optical meters built in

F-GPS-TX-WE  -  GPS fiber optic Transmitter

Receiver  -19" rack mountable enclosure ,LCD display, RF and Optical meters and dual power supply

F-GPS-RX-RM  GPS fiber optic Receiver (one RF GPS output)

F-GPS-RX-RM-XX  (XX = 2-6)  GPS fiber optic Receiver (2 - 6 RF GPS outputs)

F-GPS-RX-RM-OU  GPS fiber optic Receiver with Optical Output for cascading

IMPORTANT NOTE*** (It is very important to interface our unit with SC/APC - Angle Polished Connector to avoid any light reflections.)

If your fiber is terminated with the SC, ST, FC /PC flat connector, you need to use an optical jumper from PC type to SC/APC for proper conversion.

GPS FIBER TRANSMITTER

Note 1: C/IM3 is defined as the ratio between the peak of carrier signal and triple beat (IM3) by using a two-tone test (1.0GHz and 1.1GHz).
Note 2: The test condition adopts the specified optical transmitter, AGC attenuation= 0 and optical receiving power= -5dBm.

GPS FIBER RECEIVER

Note 1: C/IM3 is defined as the ratio between the peak of carrier signal and triple beat (IM3) by using a two-tone test (1.0GHz and 1.1GHz).
Note 2: The input level range is 47~67dBuV when AGC attenuation=0; the input level range is 48~68dBuV when AGC attenuation=1. That is to say, if AGC attenuation increases by 1dB, the input level will correspondingly increase by 1dB and the optical receiver output level will also increase by 1dB (with the same optical power received). The reduction rule is just the same.