Product Selection - Nokia RM-824 Service Manual

RM-824; RM-825; RM-826
General Information

Product selection

RM-825 is a GSM/WCDMA dual-mode handportable monoblock multimedia computer with a capacitive touch
UI, integrated GPS (A-GPS OMA SUPL) and Glonass, WLAN and an internal FM radio. The device also supports
Bluetooth 2.1 + EDR standard and Near Field Communication (NFC). RM-825 supports GSM
850/900/1800/1900, WCDMA I/II/V/VIII and LTE B1/B3/B7/B8/B20 bands, GPRS/EGPRS and WCDMA/HSDPA/
HSUPA data bearers.
For WCDMA the maximum bit rate is up to 384 kbit/s for downlink and 384 kbit/s for uplink with simultaneous
CS speech or CS video (max. 64 kbit/s). RM-825 supports HSDPA + dual carrier category 24 with downlink peak
data rate up to 42.1 Mbit/s (in limited use cases), HSUPA belongs to category 6 with uplink peak data rate up
to 5.76 Mbit/s (in limited use cases). RM-825 supports LTE category 3 with a maximum bit rate of up to 100
Mbit/s for downlink and up to 50 Mbit/s for uplink. The device also supports RX diversity.
In PS/CS mode, the device supports DTM with multi slot class 11 (max. 4 RX + 3 TX, sum 5). With EGPRS this
means a maximum download speed of up to 236.8 kbit/s simultaneously with speech. With GPRS this means
a maximum download speed of up to 64.2 kbit/s simultaneously with speech.
In PS only mode, RM-825 supports MSC 12, a maximum of 5 RX + 4 TX, sum 6 timeslots resulting in a maximum
download speed of up to 296 kbit/s with EGPRS, and up to 107 kbit/s with GPRS.
The device has a large AMOLED 4.3" (800 x 480 pixels) ClearBlack WVGA touch display with 2D flat glass, 16
million colors and support for pinch zoom. It also has an 8 megapixel autofocus camera with Carl Zeiss optics,
3 x digital zoom and an integrated dual LED flash. The device supports two-way video calls with two
integrated cameras, one on the front and one on the back.
The MMS implementation follows the OMA MMS standard release 1.3. The browser is a highly advanced
Internet browser also capable of viewing operator domain XHTML Mobile Profile (MP) content.
The device uses Windows Phone 8 operating system (release 8, Apollo) and supports the full Web Browser
for Internet Explorer 10 with desktop rendering which brings desktop-like Web browsing experience to
mobile devices.
Figure 1 View of RM-825
Issue 2 NOKIA INTERNAL USE ONLY Page 1 – 5
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