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47 CFR FCC Part 15 Subpart H Television Band Device Testing

This subpart of the 47 CFR FCC test standard regulates Television Band Devices (TVBDs). As a leader in RF regulatory compliance testing, Keystone Compliance recognizes the requirements needed for wireless radio manufacturers. Meeting the ETSI, FCC, and other wireless testing specifications can be challenging. Not only do we understand the challenges, but we help guide companies through the process.

From concept through compliance, Keystone meets all of our customers’ needs under one roof. We have a reputation for helping customers achieve their wireless product certifications. Lastly, our wireless test engineers work with clients to quickly develop appropriate and concise test plans.

Request a quote to receive expert wireless testing services tailored to your specific needs. Contact us to discuss your product and how we can assist you in achieving intentional radiator lab certifications.

Summary of Wireless Television Band Intentional Radiators

Subpart H determines standard methods, definitions, and requirements intended for Television Band Devices (TVBDs). Furthermore, the devices are stated to be unlicensed intentional radiators when operating at the specified frequencies below.

  • 54 – 60 MHz
  • 76 – 88 MHz
  • 174 – 216 MHz
  • 470 – 608 MHz
  • 614 – 698 MHz

There are two different modes of operation when handling TVBDs.

Mode I operation is the operation of a personal/portable TVBD operating only on an available channel.

Mode II operation is the operation of a person/portable TVDB whereby the device determines the available channels at its location. This device uses its geo-location and TV bands database access capabilities. These devices may function as master devices.

Scope of 47 CFR FCC Subpart H Wireless Lab Testing

The requirements of the FCC subpart H test method apply only to the radio transmitters contained in the TVBD. Other aspects of the intentional radiator device are subjected to other parts of the FCC standard compliance test.

For TV band devices, the directions are required to include instructions written similarly to those stated in the FCC conditions. This includes the equipment being tested and found compliant with the rules of this subpart of the FCC standard. Other information must state that the rules are designed to provide reasonable assurance against interference.

Permissible channels include TVBDs operating in the frequency range of 512 – 608 MHz and 614 – 698 MHz. Exceptions include nearby private land mobile services and commercial land mobile services authorized by a waiver. In this case, the operation of TVBDs is prohibited on the first channel on each side of the TV channel available at all locations within the protection range.

Fixed and Mode II TVBDs are allowed to operate on available specified channels. These are determined by the TV bands database and per interference avoidance mechanisms. Mode I TVBDs can only operate on available channels provided to it from a fixed or Mode II TVBD.

Expert Television Band Intentional Radiator Lab Testing

Keystone Compliance can accommodate fixed, mobile and portable devices of all sizes. Our team strives to give our customers more time and energy on product development instead of testing.

Request a quote to find out for yourself about the Keystone difference. Have a question about intentional radiator testing? Contact us or call (724) 657-9940 and we will determine the best course of action.