SPECIFICATIONS :
-Frequency: 2.4GHz & 900MHz
-Dimension: 25*21*4mm (L*W*H)
-Weight: 7.1g
-Operating Voltage: 3.5-10V (Please ensure the supplied voltage exceed 3.5V during the use.)
-Operating Current: ≤185mA@5V
-Compatibility: Tandem series transmitter & TD protocol capable RF module
Triple 2.4G/900M Antenna
2* External 2.4G antenna (IPEX1)
1* Newly designed 900M antenna
It only matches with the Tandem series transmitters with dual-band transmitter module.