The Coolpad Legacy TD-LTE US 3705AS (Coolpad CP3705A) supports 2 GSM bands, 2 UMTS bands, 8 LTE bands, and 3 CDMA bands. See the tables below for details.

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Supported Frequency Bands (15)

GSM

Name Interface
850 GSM
1900 (PCS) GSM

Supported GSM Protocols

Name Generation
GPRS 2.5G
EDGE 2.5G

UMTS

Name Interface
B2 (1900 PCS) UMTS
B5 (850) UMTS

LTE

Name Interface
B2 (1900 PCS) LTE
B4 (1700/2100 AWS 1) LTE
B5 (850) LTE
B12 (700 ac) LTE
B13 (700 c) LTE
B25 (1900 +) LTE
B26 (850 +) LTE
B41 (TD 2500) LTE

CDMA

Name Interface
BC0 (800) CDMA
BC1 (1900 PCS) CDMA
BC10 (Secondary 800 MHz) CDMA


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