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MTCBA-x-EN2_v2.6.9_Field_Upgrade_for_2.6.1_and_Earlier

LandCell 8191XRT Quick Start Guide
LandCell 819GPRS Quick Start Guide

Advanced Upgrade for SN-6xxx units
Advanced upgrade for BT-6000, BT-5600v2, BT- 5800v2
Advanced upgrade for legacy BT-4000 series and BT-5000 series (non-v2)
Upgrade for BT-6000 series, BT-5600v2, BT-5800v2
Upgrade for legacy BT-4000 series, BT- 5000 series (non-v2)