This is the GWS R6NII/H/J Naro 6ch Receiver with Standard Pins. FEATURES: FM type receiver Narrow band Micro design Positive Shift for JR and Airtronics (Sanwa) INCLUDES: One GWS R6NII/H/J Naro 6ch receiver REQUIRES: Crystal (GWSL01**) SPECS: Length: 1.18" (30mm) Width: .79" (20mm) Height: .34" (8.6mm) Modulation: FM (PPM) Sensitivity: 5 uV Operating power: 3.6-7.2V Current drain: 5mA Weight: 0.27oz-0.29oz (7.6-8.2g) GWSPart GWSR6NII72/J