Type     5 Channel Dual Conversion FM       Range     1+ Mile / 1.6 Km or more       Operating Voltage     4.8 - 6.0 volts       Current Drain     19 mA +/- 3.0 mA       Size (L x W x H):     1.6 x 1.1 x 0.7 in.   40 x 28 x 18 mm       Weight:     0.75 oz / 21 grams   (0.55 oz without case)     This is the exact same product included in 28572 (U-Hole). It has a J style socket but the S connectors will work just fine! Five channel dual conversion 72MHz FM / PPM micro receiver. Price: $49.50