SOT-55XX Satellite Mid-frequency and Cable TV Laser Transmitter
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SOT-55XX Satellite Mid-frequency and Cable TV Laser Transmitter

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Serial number Project Unit Parameter Remark
1 Laser model

2 Optical wavelength nm 1310;
if it is from the wavelength, please
marking before order
3 SMSR dB ≥45 SMSR
4 Equivalent intensity noise dB/Hz ≤-145 RIN (20~2600MHz)
5 Optical modulation

Direct modulation
6 Optical output power dBm

8 Optical connector form
Please marking before
1 Frequency range MHz 45~865
2 Carrier to Noise ratio dB ≥51.0 According to
3 Flatness dB ±0.75 According to
GY/T143-2000 6.2.4
4 RF input signal level dBuV 75~85 AGC automatic control
5 C/CTB dB ≥65.0 According to
GY/T143-2000 6.2.5
6 C/CSO dB ≥65.0 According to
GY/T143-2000 6.2.5
7 RF input impedance Ω 75
8 RF input reflection loss dB >16 According to
1 Frequency range MHz 950~2600
2 Import IF power dBM -40~-20 the total input power
3 Flatness dB ±1.0
4 IMD dB -40dBc the total input power ≤- 20 dBM
5 input impedance Ω 75
6 input reflection loss dB >12
General parameters
15 Power supply(two
hotplug power )
V 90~265 mains -48VDC optional
16 power consumption W ≤50 Single power source
17 Operating temperature 0~50 Automatic chassis
controls temperature
18 Storage temperature -20~85
19 Working relative humidity % 20%~85%
20 Size 19″×11″×1.75″ (W)x(D)x(H)
21 Network management

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1.Before shipping, you can cancel any order, and we will return the payment.

2. If you find that the packaging is damaged when you receive the goods, please contact us immediately and take a photo for your certificate.

3. If you have any quality problems within 15 days after you confirm receipt of the goods, you can contact us online. After confirming the photos or videos, we will negotiate with you and choose to return the goods or give an equivalent gift card. (Note: The packaging of the product must be complete and undamaged, otherwise we can only give the corresponding gift card at a discount.

4. After you use our products for 15 days, if any quality problems occur during the product warranty period, after confirmation by our technical team, we will Refund or Exchange for you free of charge, or give you a corresponding gift card.

5. After the product has a quality problem after the warranty period, we still provide technical support, but the cost of repair or replacement needs to be paid by the buyer.


We promise to ship within 48 hours after placing an order and payment on the platform, if you choose standard shipping, it will be delivered within 5-15 days. If you choose Expedited, it will be delivered within 3-10 days. If the weight of the goods exceeds 21kg, You can use Free heavy goods shipping, by DHL, Fedex or UPS .Order more than $69, Stanadrd Shipping is free. If you have any requirements on which express to use, you can directly consult online on the website.

Warranty policy:

1. Electronic products enjoy 1 year warranty from the date of purchase and receipt. Non-electronic products enjoy a 3-year warranty from the date of purchase and receipt

2. Repair or replace the equipment according to the specific failure situation. After our engineer confirms the product problem, the corresponding parts will be sent for replacement. If it is confirmed that it cannot be repaired at the buyer, it is supported to return to the factory for repair or replace the corresponding gift card.

3. All replaced parts, accessories or equipment are brand new.

4. Replaced parts and accessories enjoy the remaining time of the original one-year warranty period or the 90-day warranty period from the date of repair or replacement, whichever is longer.