Looks liek its core + 1 receiver
per the terms (from the dish site)
Terms & Conditions
$49.99 Price Guarantee includes:
America’s Top 120 Plus and equipment for 1 TV. Available upgrades: $7/mo. for each additional TV (receivers with additional functionality may be $10-$15); $64.99/mo for America’s Top 200; $74.99/mo for America’s Top 250.
Price Guarantee does not include:
Taxes or state-specific surcharges, add-on programming (including premium channels), protection plan or transactional fees. Additional monthly fees, upfront fees or transactional fees may apply for business customers. After 36 months, then-current prices and fees for all services apply.
Premium Channels:
After 3 months, you will be billed $60/mo for HBO, Cinemax, Showtime, Starz and DISH Movie Pack unless you call to cancel.
Protection Plan:
After 6 months, you will be billed $8/mo for the protection plan unless you call to cancel. Price subject to change.
Miscellaneous:
All packages, programming, features, and functionality and all prices and fees not included in price guarantee are subject to change without notice. © 2015 DISH Network L.L.C. All rights reserved. HBO®, Cinemax® and related channels and service marks are the property of Home Box Office, Inc. SHOWTIME is a registered trademark of Showtime Networks Inc., a CBS Company. STARZ and related channels and service marks are property of Starz Entertainment, LLC.