PRIVATE & CONFIDENTIAL

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Exhibit 4.28

PRIVATE & CONFIDENTIAL
Delivered in person

February 28, 2005

TO: Benoit Pinsonnault
SR Vice President Operations
SR Telecom Inc.

Dear Benoît:

As you are aware, SR Telecom Inc. is currently going through a very challenging time, given the need to refinance and reorganize its Business structure. We recognize that this is a very difficult period and appreciate the on-going commitment and contribution of all SR Telecom's employees.

However, we must secure our future Business activities going forward and protect our capability to serve our customers in the manner we wish to as we finally go on with our Business. As such, we have identified a group of employees which will ensure that we secure our core expertise and key know-how during that period. You were identified by the Executives of the Company as being part of that group which we need for our future. As a result, you will be eligible to a retention premium for a period of up to ten (10) weeks commencing Monday, February 28, 2005. This premium will be paid with normal payroll and wi