
SERVICE BULLETIN: DSMX Quad Race
Serial Receiver with Telemetry (SPM4649T)
January 25, 2017
Download PDF Version Here [Document attached below main article]
Product: Spektrum™ SPM4649T Remote Serial Receive.
This Bulletin does not apply to SPM4649T receivers with PID numbers
SH612X and SH7**X and above. For those receivers, the
specifications in the manual are correct.
/

Issue: It has come to the attention of Horizon Hobby, LLC that the
maximum voltage to the Spektrum SPM4649T remote serial receiver
should NOT exceed 7.5 volts.
What To Do: You may use the Spektrum SPM4649T Remote Serial
Receiver between the voltages of 4 - 7.5V. Do not exceed 7.5V.
Country
or
Purchase
Horizon
Hobby
Contact information Address
United
States of
America
Product
Support
productsupport@horizonhobby.com
2904
Research
Road
Champaign,
Illinois,
61822 USA
877-504-0233
Sales
sales@horizonhobby.com
888-959-2304
Horizon disclaims all liability and warranties for any consumer who
fails to act upon this bulletin. We apologize for this inconvenience. If
you have any questions, please call Horizon Hobby Product Support
at 877-504-0233.
If you purchased your product outside of the US and Canada, please
see the retailer or distributor you purchased your product from for
assistance.
©2016 Horizon Hobby, LLC.
The Spektrum trademark is used with permission of Bachmann Industries, Inc. .
55436
/

Product Bulletin
01/25/2017
Products: Spektrum™ SPM4649T Remote Serial Receiver
This Bulletin does not apply to SPM4649T receivers with PID numbers SH612X and
SH7**X and above. For those receivers, the specifications in the manual are correct.
Issue: It has come to the attention of Horizon Hobby, LLC that the maximum voltage to the
Spektrum SPM4649T remote serial receiver should NOT exceed 7.5 volts.
Horizon disclaims all liability and warranties for any consumer who fails to act upon this bulletin.
We apologize for this inconvenience. If you have any questions, please call Horizon Hobby Product
Support at 877-504-0233.
Contact Information
Country of
Purchase
United States
of America
If you purchased your product outside of the US and Canada, please see the retailer or distributor you
purchased your product from for assistance.
Horizon Hobby and the Horizon Hobby logo are trademarks or registered trademarks of Horizon Hobby, LLC.
Created: 08/2017 55436.1
Horizon Hobby Contact Information Address
Product Support
Sales
The Spektrum trademark is used with permission of Bachmann Industries, Inc.
productsupport@horizonhobby.com
877-504-0233
sales@horizonhobby.com
800-338-4639
©2017 Horizon Hobby, LLC
4105 Fieldstone Rd
Champaign, Illinois, 61822 USA