LG M13 Device Description page 19

Antenna description (LTE & CDMA)
3.4
3.4.1 CDMA Antenna description
M13 Device LTE Antenna: Dual band, Single Feeding Antenna
Type: Carrier & PIFA
Directive: Omni-directiona
Ant. : 1TX and 1RX
CDMA 3D Gain: TX:--5.9dB, RX: -3.7dB
USPCS 3D Gain: TX: -6.1dB, RX: -5.1dB
Max Power: 2W (Maximum)
Band Support
3.4.2 LTE Antenna description
M13 Device LTE Antenna: MIMO Antenna
Type: Carrier & PIFA
Directive: Omni-directional
LTE Band 13 Support: UL; 777~787(MHz), DL;746~768(MHz)
Antenna Band: 740 ~ 800 (MHz)
Max power: 2W(Maximum)
Primary Ant. : 1TX and 1RX
Secondary Ant.: 1RX
3D Primary Antenna Gain: -1.32dB(Average)
3D Secondary Antenna Gain: -1.34(Average)
3.4. Antenna description (LTE & CDMA)